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© 2007 McGraw-Hill Higher Education. All © 2007 McGraw-Hill Higher Education. All rights reserved. rights reserved. 1- 1-1 Chapter 1 Chapter 1 Foundations of Structural Foundations of Structural Kinesiology Kinesiology Manual of Structural Manual of Structural Kinesiology Kinesiology R.T. Floyd, EdD, ATC, CSCS R.T. Floyd, EdD, ATC, CSCS

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Chapter 1 Foundations of Structural Kinesiology. Manual of Structural Kinesiology R.T. Floyd, EdD, ATC, CSCS. Kinesiology & Body Mechanics. Kinesiology - study of motion or human movement Anatomic kinesiology - study of human musculoskeletal system & musculotendinous system - PowerPoint PPT Presentation

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Page 1: Chapter 1 Foundations of Structural Kinesiology

© 2007 McGraw-Hill Higher Education. All rights © 2007 McGraw-Hill Higher Education. All rights reserved.reserved. 1-1-11

Chapter 1Chapter 1Foundations of Structural Foundations of Structural

KinesiologyKinesiology Manual of Structural KinesiologyManual of Structural Kinesiology

R.T. Floyd, EdD, ATC, CSCSR.T. Floyd, EdD, ATC, CSCS

Page 2: Chapter 1 Foundations of Structural Kinesiology

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Kinesiology & Body Kinesiology & Body MechanicsMechanics

• Kinesiology - study of motion or human Kinesiology - study of motion or human movementmovement

• Anatomic kinesiology - study of human Anatomic kinesiology - study of human musculoskeletal system & musculotendinous musculoskeletal system & musculotendinous systemsystem

• Biomechanics - application of mechanical Biomechanics - application of mechanical physics to human motionphysics to human motion

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Kinesiology & Body Kinesiology & Body MechanicsMechanics

• Structural kinesiology - study of muscles as Structural kinesiology - study of muscles as they are involved in science of movementthey are involved in science of movement

• Both skeletal & muscular structures are Both skeletal & muscular structures are involvedinvolved

• Bones are different sizes & shapes Bones are different sizes & shapes particularly at the joints, which allow or limit particularly at the joints, which allow or limit movementmovement

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Kinesiology & Body Kinesiology & Body MechanicsMechanics

• Muscles vary greatly in size, shape, & Muscles vary greatly in size, shape, & structure from one part of body to anotherstructure from one part of body to another

• More than 600 muscles are found in human More than 600 muscles are found in human body body

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Who needs Kinesiology?Who needs Kinesiology?

• Anatomists, coaches, strength and Anatomists, coaches, strength and conditioning specialists, personal conditioning specialists, personal trainers, nurses, physical educators, trainers, nurses, physical educators, physical therapists, physicians, athletic physical therapists, physicians, athletic trainers, massage therapists & others in trainers, massage therapists & others in health-related fieldshealth-related fields

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Why Kinesiology?Why Kinesiology?• should have an adequate knowledge & should have an adequate knowledge &

understanding of all large muscle groups to understanding of all large muscle groups to teach others how to strengthen, improve, & teach others how to strengthen, improve, & maintain these parts of human bodymaintain these parts of human body

• should not only know how & what to do in should not only know how & what to do in relation to conditioning & training but also know relation to conditioning & training but also know why specific exercises are done in conditioning & why specific exercises are done in conditioning & training of athletestraining of athletes

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Why Kinesiology?Why Kinesiology?

• Through kinesiology & analysis of skills, Through kinesiology & analysis of skills, physical educators can understand & improve physical educators can understand & improve specific aspects of physical conditioningspecific aspects of physical conditioning

• Understanding aspects of exercise Understanding aspects of exercise physiology is also essential to coaches & physiology is also essential to coaches & physical educatorsphysical educators

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Reference positionsReference positions

• basis from which to describe joint basis from which to describe joint movementsmovements– Anatomical positionAnatomical position– Fundamental positionFundamental position

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Reference positionsReference positions• Anatomical positionAnatomical position

– most widely used & accurate for all most widely used & accurate for all aspects of the bodyaspects of the body

– standing in an upright posture, facing standing in an upright posture, facing straight ahead, feet parallel and close, straight ahead, feet parallel and close, & palms facing forward& palms facing forward

• Fundamental positionFundamental position– is essentially same as anatomical is essentially same as anatomical

position except arms are at the sides & position except arms are at the sides & palms facing the bodypalms facing the body

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Anatomical directional Anatomical directional terminologyterminology

• AnteriorAnterior– in front or in the in front or in the

front partfront part

• AnteroinferiorAnteroinferior– in front & belowin front & below

• AnterosuperiorAnterosuperior– in front & abovein front & above

• PosteriorPosterior– behind, in back, or in the behind, in back, or in the

rearrear

• PosteroinferiorPosteroinferior– behind & below; in back behind & below; in back

& below& below

• PosterolateralPosterolateral– behind & to one side, behind & to one side,

specifically to the outsidespecifically to the outside

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Anatomical directional Anatomical directional terminologyterminology

From Van De Graaff KM: Human anatomy, ed 6, New York, 2002, McGraw-Hill

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Anatomical directional Anatomical directional terminologyterminology

• AnterolateralAnterolateral– in front & to the side, in front & to the side,

especially the outsideespecially the outside

• AnteromedialAnteromedial– in front & toward the in front & toward the

inner side or midlineinner side or midline

• AnteroposteriorAnteroposterior– relating to both relating to both front & rearfront & rear

• PosteromedialPosteromedial– behind & to the inner behind & to the inner

sideside

• PosterosuperiorPosterosuperior– behind & at the upper behind & at the upper

partpart

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Anatomical directional Anatomical directional terminologyterminology

• ContralateralContralateral– pertaining or relating to the opposite sidepertaining or relating to the opposite side

• IpsilateralIpsilateral– on the same sideon the same side

• BilateralBilateral– relating to the right and left sides of the relating to the right and left sides of the

body or of a body structure such as the body or of a body structure such as the right & left extremitiesright & left extremities

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Anatomical directional Anatomical directional terminologyterminology

• Inferior (infra)Inferior (infra)– below in relation to another structure; caudalbelow in relation to another structure; caudal

• Superior (supra)Superior (supra)– above in relation to another structure; higher, cephalicabove in relation to another structure; higher, cephalic

• DistalDistal– situated away from the center or midline of the body, or situated away from the center or midline of the body, or

away from the point of originaway from the point of origin• ProximalProximal

– nearest the trunk or the point of originnearest the trunk or the point of origin• LateralLateral

– on or to the side; outside, farther from the median or on or to the side; outside, farther from the median or midsagittal planemidsagittal plane

• MedialMedial– relating to the middle or center; nearer to the medial or relating to the middle or center; nearer to the medial or

midsagittal planemidsagittal plane• MedianMedian

– Relating to the middle or center; nearer to the median or Relating to the middle or center; nearer to the median or midsagittal planemidsagittal plane

From Van De Graaff KM: Human anatomy, ed 6, New York, 2002, McGraw-Hill

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Anatomical directional Anatomical directional terminologyterminology

• InferolateralInferolateral– below & to the outsidebelow & to the outside

• InferomedialInferomedial– below & toward the below & toward the

midline or insidemidline or inside

• SuperolateralSuperolateral– above & to the outsideabove & to the outside

• SuperomedialSuperomedial– above & toward the above & toward the

midline or insidemidline or inside

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Anatomical directional Anatomical directional terminologyterminology

• CaudalCaudal– below in relation to another structure; below in relation to another structure;

inferiorinferior

• CephalicCephalic– above in relation to another structure; above in relation to another structure;

higher, superiorhigher, superior

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Anatomical directional Anatomical directional terminologyterminology

• DeepDeep– beneath or below the surface; used to beneath or below the surface; used to

describe relative depth or location of describe relative depth or location of muscles or tissuemuscles or tissue

• SuperficialSuperficial– near the surface; used to describe relative near the surface; used to describe relative

depth or location of muscles or tissuedepth or location of muscles or tissue

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Anatomical directional Anatomical directional terminologyterminology

• ProneProne– the body lying face downward; stomach the body lying face downward; stomach

lyinglying

• SupineSupine– lying on the back; face upward position of lying on the back; face upward position of

the bodythe body

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Anatomical directional Anatomical directional terminologyterminology

• DorsalDorsal– relating to the back; being or relating to the back; being or

located near, on, or toward the located near, on, or toward the back, posterior part, or upper back, posterior part, or upper surface of surface of

• VentralVentral– relating to the belly or abdomen, relating to the belly or abdomen,

on or toward the front, anterior on or toward the front, anterior part of part of

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Anatomical directional Anatomical directional terminologyterminology

• VolarVolar– relating to palm of the hand or sole of the relating to palm of the hand or sole of the

footfoot• PlantarPlantar

– relating to the sole or undersurface of the relating to the sole or undersurface of the footfoot

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Body RegionsBody Regions

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Body regionsBody regions

• AxialAxial– Cephalic (Head)Cephalic (Head)

– Cervical (Neck)Cervical (Neck)

– TrunkTrunk

• AppendicularAppendicular– Upper limbsUpper limbs

– Lower limbsLower limbs

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Body regionsBody regions

• AxialAxial– Cephalic (Head)Cephalic (Head)

• Cranium & FaceCranium & Face

– Cervical (Neck)Cervical (Neck)

– TrunkTrunk• Thoracic (Thorax), Dorsal Thoracic (Thorax), Dorsal

(Back), Abdominal (Back), Abdominal (Abdomen), & Pelvic (Pelvis)(Abdomen), & Pelvic (Pelvis)

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Body regionsBody regions

• AppendicularAppendicular– Upper limbsUpper limbs

• Shoulder, arm, forearm, & Shoulder, arm, forearm, & manualmanual

– Lower limbsLower limbs• Thigh, leg, & pedalThigh, leg, & pedal

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Planes of MotionPlanes of Motion

• Imaginary two-dimensional surface Imaginary two-dimensional surface through which a limb or body segment through which a limb or body segment is movedis moved

• Motion through a plane revolves around Motion through a plane revolves around an axisan axis

• There is a ninety-degree relationship There is a ninety-degree relationship between a plane of motion & its axisbetween a plane of motion & its axis

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Cardinal planes of motionCardinal planes of motion• 3 basic or traditional3 basic or traditional

– in relation to the body, not in in relation to the body, not in relation to the earthrelation to the earth

• Anteroposterior or Sagittal Anteroposterior or Sagittal PlanePlane

• Lateral or Frontal PlaneLateral or Frontal Plane• Transverse or Horizontal Transverse or Horizontal

PlanePlane

Modified from Booher JM, Thibodeau GA: Athletic injury assessment, ed 4, New York, 2000, McGraw-Hill

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Cardinal planes of motionCardinal planes of motion

• Anteroposterior or Sagittal Anteroposterior or Sagittal PlanePlane– divides body into equal, divides body into equal,

bilateral segmentsbilateral segments– It bisects body into 2 equal It bisects body into 2 equal

symmetrical halves or a right symmetrical halves or a right & left half& left half

– Ex. Sit-upEx. Sit-up

Modified from Booher JM, Thibodeau GA: Athletic injury assessment, ed 4, New York, 2000, McGraw-Hill

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Cardinal planes of motionCardinal planes of motion

• Lateral or Frontal PlaneLateral or Frontal Plane– divides the body into divides the body into

(front) anterior & (back) (front) anterior & (back) posterior halvesposterior halves

– Ex. Jumping JacksEx. Jumping Jacks

Modified from Booher JM, Thibodeau GA: Athletic injury assessment, ed 4, New York, 2000, McGraw-Hill

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Cardinal planes of motionCardinal planes of motion

• Transverse or Horizontal Transverse or Horizontal PlanePlane– divides body into (top) divides body into (top)

superior & (bottom) inferior superior & (bottom) inferior halves when the individual halves when the individual is in anatomic positionis in anatomic position

– Ex. Spinal rotation to left or Ex. Spinal rotation to left or rightright

Modified from Booher JM, Thibodeau GA: Athletic injury assessment, ed 4, New York, 2000, McGraw-Hill

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Diagonal Planes of MotionDiagonal Planes of Motion

• High DiagonalHigh Diagonal

• Low DiagonalLow Diagonal

• Low DiagonalLow Diagonal

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Diagonal Planes of MotionDiagonal Planes of Motion

• High DiagonalHigh Diagonal

– Upper limbs at shoulder jointsUpper limbs at shoulder joints

– Overhand skillsOverhand skills

– EX. Baseball PitchEX. Baseball Pitch

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Diagonal Planes of MotionDiagonal Planes of Motion

• Low DiagonalLow Diagonal

– Upper limbs at shoulder jointsUpper limbs at shoulder joints

– Underhand skillsUnderhand skills

– EX. Discus ThrowerEX. Discus Thrower

• Low DiagonalLow Diagonal

– Lower limbs at the hip jointsLower limbs at the hip joints

– EX. Kickers & PuntersEX. Kickers & Punters

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Axes of rotationAxes of rotation

• For movement to occur in a plane, it For movement to occur in a plane, it must turn or rotate about an axis as must turn or rotate about an axis as referred to previouslyreferred to previously

• The axes are named in relation to their The axes are named in relation to their orientationorientation

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Axes of rotationAxes of rotation

• Frontal, lateral, or coronal axisFrontal, lateral, or coronal axis– Has same orientation as frontal plane Has same orientation as frontal plane

of motion & runs from side to side at of motion & runs from side to side at a right angle to sagittal plane of a right angle to sagittal plane of motionmotion

– Runs medial / lateralRuns medial / lateral– Commonly includes flexion, extensionCommonly includes flexion, extension

movementsmovements

Modified from Booher JM, Thibodeau GA: Athletic injury assessment, ed 4, New York, 2000, McGraw-Hill

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Axes of rotationAxes of rotation

• Sagittal or anteroposterior Sagittal or anteroposterior axisaxis– Has same orientation as sagittal Has same orientation as sagittal

plane of motion & runs from plane of motion & runs from front to back at a right angle to front to back at a right angle to frontal plane of motionfrontal plane of motion

– Runs anterior / posteriorRuns anterior / posterior– Commonly includes Commonly includes

abduction, adduction abduction, adduction movementsmovements

Modified from Booher JM, Thibodeau GA: Athletic injury assessment, ed 4, New York, 2000, McGraw-Hill

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Axes of rotationAxes of rotation

• Long or vertical axisLong or vertical axis– Runs straight down through top Runs straight down through top

of head & is at a right angle to of head & is at a right angle to transverse plane of motiontransverse plane of motion

– Runs superior/ inferiorRuns superior/ inferior– Commonly includes internal Commonly includes internal

rotation, external rotation rotation, external rotation movementsmovements

Modified from Booher JM, Thibodeau GA: Athletic injury assessment, ed 4, New York, 2000, McGraw-Hill

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Axes of rotationAxes of rotation

• Diagonal or obliqueDiagonal or oblique axisaxis– also known as the oblique axisalso known as the oblique axis– runs at a right angle to the runs at a right angle to the

diagonal planediagonal plane

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Skeletal SystemSkeletal System

Modified from Van De Graaff KM: Human anatomy, ed 6, New York, 2002, McGraw-Hill

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OsteologyOsteology

• Adult skeletonAdult skeleton

• 206 bones206 bones– Axial skeletonAxial skeleton

• 80 bones80 bones

– AppendicularAppendicular• 126 bones126 bones

• occasional variationsoccasional variations

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Skeletal FunctionsSkeletal Functions

1.1. Protection of heart, lungs, brain, etc. Protection of heart, lungs, brain, etc. 2.2. Support to maintain postureSupport to maintain posture3.3. Movement by serving as points of Movement by serving as points of

attachment for muscles and acting as leversattachment for muscles and acting as levers4.4. Mineral storage such as calcium & Mineral storage such as calcium &

phosphorusphosphorus5.5. Hemopoiesis – in vertebral bodies, femus, Hemopoiesis – in vertebral bodies, femus,

humerus, ribs, & sternumhumerus, ribs, & sternum– process of blood cell formation in the red process of blood cell formation in the red

bone marrowbone marrow

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Types of bonesTypes of bones

• Long bones - humerus, fibulaLong bones - humerus, fibula

• Short bones - carpals, tarsalsShort bones - carpals, tarsals

• Flat bones - skull, scapulaFlat bones - skull, scapula

• Irregular bones - pelvis, ethmoid, ear Irregular bones - pelvis, ethmoid, ear ossiclesossicles

• Sesamoid bones - patellaSesamoid bones - patella

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Types of bonesTypes of bones

• Long bonesLong bones– Composed of a long cylindrical Composed of a long cylindrical

shaft with relatively wide, shaft with relatively wide, protruding endsprotruding ends

– shaft contains the medullary shaft contains the medullary canalcanal

– Ex. phalanges, metatarsals, Ex. phalanges, metatarsals, metacarpals, tibia, fibula, femur, metacarpals, tibia, fibula, femur, radius, ulna, & humerusradius, ulna, & humerus

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Types of bonesTypes of bones

• Short bonesShort bones– Small, cubical shaped, solid Small, cubical shaped, solid

bones that usually have a bones that usually have a proportionally large articular proportionally large articular surface in order to articulate surface in order to articulate with more than one bonewith more than one bone

– Ex. are carpals & tarsalsEx. are carpals & tarsals

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Types of bonesTypes of bones

• Flat bonesFlat bones– Usually have a curved surface Usually have a curved surface

& vary from thick where & vary from thick where tendons attach to very thintendons attach to very thin

– Ex. ilium, ribs, sternum, Ex. ilium, ribs, sternum, clavicle, & scapulaclavicle, & scapula

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Types of bonesTypes of bones

• Irregular bonesIrregular bones– Include bones Include bones

throughout entire throughout entire spine & ischium, spine & ischium, pubis, & maxillapubis, & maxilla

• Sesamoid bonesSesamoid bones– Patella, 1st Patella, 1st

metatarsophalangeal metatarsophalangeal

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Typical Bony FeaturesTypical Bony Features

• Diaphysis – Diaphysis – long cylindrical shaftlong cylindrical shaft

• Cortex - Cortex - hard, dense compact bone hard, dense compact bone forming walls of diaphysisforming walls of diaphysis

• Periosteum - Periosteum - dense, fibrous dense, fibrous membrane covering outer surface of membrane covering outer surface of diaphysisdiaphysis

• Endosteum - Endosteum - fibrous membrane that fibrous membrane that lines the inside of the cortexlines the inside of the cortex

• Medullary (marrow) cavity – Medullary (marrow) cavity – between walls of diaphysis, containing between walls of diaphysis, containing yellow or fatty marrowyellow or fatty marrow

From Shier D, Butler J, Lewis R: Hole’s human anatomy & physiology, ed 9, New York, 2002, McGraw-Hill.

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Typical Bony FeaturesTypical Bony Features

• Epiphysis – ends of Epiphysis – ends of long bones formed from long bones formed from cancelleous (spongy or cancelleous (spongy or trabecular) bonetrabecular) bone

• Epiphyseal plate - Epiphyseal plate - (growth plate) thin (growth plate) thin cartilage plate cartilage plate separates diaphysis & separates diaphysis & epiphysesepiphyses Modified from Van De Graaff KM: Human anatomy, ed 6, New

York, 2002, McGraw-Hill.

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Typical Bony FeaturesTypical Bony Features

• Articular (hyaline) cartilage Articular (hyaline) cartilage – covering the epiphysis to – covering the epiphysis to provide cushioning effect & provide cushioning effect & reduce frictionreduce friction

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Bone GrowthBone Growth• Endochondral bonesEndochondral bones

– develop from hyaline cartilagedevelop from hyaline cartilage– hyaline cartilage masses at embryonic hyaline cartilage masses at embryonic

stagestage

From Shier D, Butler J, Lewis R: Hole’s essentials of human anatomy and physiology, ed 9, New York, 2006, McGraw-Hill.

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Bone GrowthBone Growth• Endochondral bonesEndochondral bones

– grow rapidly into structures shaped similar to grow rapidly into structures shaped similar to the bones which they will eventually becomethe bones which they will eventually become

– growth continues and gradually undergoes growth continues and gradually undergoes significant change to develop into long bonesignificant change to develop into long bone

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Bone GrowthBone Growth• Longitudinal growth continues as long as Longitudinal growth continues as long as

epiphyseal plates are openepiphyseal plates are open

• Shortly after adolescence, plates Shortly after adolescence, plates disappear & closedisappear & close

From Seeley RR, Stephens TD, Tate P: Anatomy & physiology, ed 7, New York, 2006, McGraw-Hill.

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Bone GrowthBone Growth

• Most close by age 18, but some may be Most close by age 18, but some may be present until 25present until 25

• Growth in diameter continues Growth in diameter continues throughout lifethroughout life

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Bone GrowthBone Growth

• Internal layer of periosteum builds new Internal layer of periosteum builds new concentric layers on old layersconcentric layers on old layers

• Simultaneously, bone around sides of Simultaneously, bone around sides of the medullary cavity is resorbed so that the medullary cavity is resorbed so that diameter is continually increaseddiameter is continually increased

• Osteoblasts - cells that form new boneOsteoblasts - cells that form new bone

• Osteoclasts - cells that resorb new boneOsteoclasts - cells that resorb new bone

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Bone PropertiesBone Properties

• Composed of calcium carbonate, Composed of calcium carbonate, calcium phosphate, collagen, & watercalcium phosphate, collagen, & water– 60-70% of bone weight - calcium 60-70% of bone weight - calcium

carbonate & calcium phosphatecarbonate & calcium phosphate– 25-30% of bone weight - water25-30% of bone weight - water

• Collagen provides some flexibility & Collagen provides some flexibility & strength in resisting tensionstrength in resisting tension

• Aging causes progressive loss of Aging causes progressive loss of collagen & increases brittlenesscollagen & increases brittleness

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Bone PropertiesBone Properties

• Most outer bone is cortical with cancellous Most outer bone is cortical with cancellous underneathunderneath

• Cortical bone – low porosity, 5 to 30% Cortical bone – low porosity, 5 to 30% nonmineralized tissuenonmineralized tissue

• Cancellous – spongy, high porosity, 30 to Cancellous – spongy, high porosity, 30 to 90%90%

• Cortical is stiffer & can withstand greater Cortical is stiffer & can withstand greater stress, but less strain than cancellousstress, but less strain than cancellous

• Cancellous is spongier & can undergo greater Cancellous is spongier & can undergo greater strain before fracturingstrain before fracturing

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Bone PropertiesBone Properties

• Bone size & shape are influenced by Bone size & shape are influenced by the direction & magnitude of forces that the direction & magnitude of forces that are habitually applied to themare habitually applied to them

• Bones reshape themselves based upon Bones reshape themselves based upon the stresses placed upon themthe stresses placed upon them

• Bone mass increases over time with Bone mass increases over time with increased stressincreased stress

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Bone MarkingsBone Markings

• Processes (including Processes (including elevations & projections)elevations & projections)– Processes that form Processes that form

jointsjoints• CondyleCondyle• FacetFacet• HeadHead

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Bone MarkingsBone Markings

• Processes (elevations & projections)Processes (elevations & projections)– Processes to which ligaments, muscles or tendons attachProcesses to which ligaments, muscles or tendons attach

• CrestCrest• EpicondyleEpicondyle• LineLine• ProcessProcess• Spine (spinous process)Spine (spinous process)• SutureSuture• TrochanterTrochanter• TubercleTubercle• TuberosityTuberosity

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Bone MarkingsBone Markings

• Cavities (depressions) - including opening & Cavities (depressions) - including opening & groovesgrooves– FacetFacet– ForamenForamen– FossaFossa– FoveaFovea– MeatusMeatus– SinusSinus– Sulcus (groove)Sulcus (groove)

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Classification of JointsClassification of Joints

• Articulation - connection of bones at a Articulation - connection of bones at a joint usually to allow movement joint usually to allow movement between surfaces of bonesbetween surfaces of bones

• 3 major classifications according to 3 major classifications according to structure & movement characteristicsstructure & movement characteristics

– SynarthrodialSynarthrodial

– AmphiarthrodialAmphiarthrodial

– DiarthrodialDiarthrodial

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Classification of JointsClassification of JointsStructural classification

Fibrous Cartilagenous Synovial

Functionalclassification

SynarthrodialGomphosis

Suture----- -----

AmphiarthrodialSyndesmosis

SymphysisSynchondrosis

-----

Diarthrodial ----- -----

ArthrodialCondyloidalEnarthrodialGinglymus

SellarTrochoidal

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SynarthrodialSynarthrodial

• immovable jointsimmovable joints

• Suture such as Skull Suture such as Skull suturessutures

• Gomphosis such as teeth Gomphosis such as teeth fitting into mandible or fitting into mandible or maxillamaxilla

Modified from Booher JM, Thibedeau GA: Athletic injury assessment, ed 4, New York, 2000, McGraw-Hill.

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AmphiarthrodialAmphiarthrodial

• slightly movable jointsslightly movable joints

• allow a slight amount of motion to occurallow a slight amount of motion to occur

– SyndesmosisSyndesmosis

– SynchondrosisSynchondrosis

– SymphysisSymphysisModified from Booher JM, Thibedeau GA: Athletic injury assessment, ed 4, New York, 2000, McGraw-Hill.

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AmphiarthrodialAmphiarthrodial

• SyndesmosisSyndesmosis– Two bones joined together by a Two bones joined together by a

strong ligament or an interosseus strong ligament or an interosseus membrane membrane that allows minimal that allows minimal movement between the bonesmovement between the bones

– Bones may or may not touch each Bones may or may not touch each other at the actual jointother at the actual joint

– Ex. Coracoclavicular joint, distal Ex. Coracoclavicular joint, distal tibiofibular jt.tibiofibular jt.

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AmphiarthrodialAmphiarthrodial

• SynchondrosisSynchondrosis– Type of joint separated by Type of joint separated by

hyaline cartilage that allows hyaline cartilage that allows very slight movement very slight movement between the bonesbetween the bones

– Ex. costochondral joints of the Ex. costochondral joints of the ribs with the sternum ribs with the sternum 

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AmphiarthrodialAmphiarthrodial

• SymphysisSymphysis– Joint separated by a Joint separated by a

fibrocartilage pad that allows fibrocartilage pad that allows very slight movement between very slight movement between the bonesthe bones

– Ex. Symphysis PubisEx. Symphysis Pubis & & intervertebral discsintervertebral discs

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Diarthrodial JointsDiarthrodial Joints

• known as known as synovial jointssynovial joints

• freely movablefreely movable• composed of composed of

sleevelike sleevelike joint joint capsulecapsule

• secretes synovial secretes synovial fluid to lubricate fluid to lubricate joint cavityjoint cavity From Seeley RR, Stephens TD, Tate P: Anatomy & physiology, ed 7, New York, 2006,

McGraw-Hill.

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Diarthrodial JointsDiarthrodial Joints

• capsule capsule thickenings form thickenings form tough, nonelastic tough, nonelastic ligaments that ligaments that provide additional provide additional support against support against abnormal abnormal movement or movement or joint openingjoint opening

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Diarthrodial JointsDiarthrodial Joints

• Articular or Articular or hyaline cartilagehyaline cartilage covers the covers the articular surface ends of the bones inside the articular surface ends of the bones inside the joint cavityjoint cavity– absorbs shockabsorbs shock– protect the boneprotect the bone

• slowly absorbs synovial fluid during joint slowly absorbs synovial fluid during joint unloading or distractionunloading or distraction

• secretes synovial fluid during subsequent secretes synovial fluid during subsequent weight bearing & compressionweight bearing & compression

• some diarthrodial joints have specialized some diarthrodial joints have specialized fibrocartilage disksfibrocartilage disks

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Diarthrodial JointsDiarthrodial Joints

• Diarthrodial joints have motion possible Diarthrodial joints have motion possible in one or more planesin one or more planes

• Degrees of freedomDegrees of freedom– motion in 1 plane = 1 degree of freedommotion in 1 plane = 1 degree of freedom– motion in 2 planes = 2 degrees of freedommotion in 2 planes = 2 degrees of freedom– motion in 3 planes = 3 degrees of freedommotion in 3 planes = 3 degrees of freedom

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Diarthrodial JointsDiarthrodial Joints

• six typessix types

• each has a different type of bony each has a different type of bony arrangementarrangement

– CondyloidCondyloid

– EnarthrodialEnarthrodial

– SellarSellar

– ArthrodialArthrodial

– GinglymusGinglymus

– TrochoidTrochoid

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Diarthrodial JointsDiarthrodial Joints

• Arthrodial (Gliding) jointsArthrodial (Gliding) joints– 2 plane or flat bony surfaces which 2 plane or flat bony surfaces which

butt against each otherbutt against each other

– Little motion possible in any 1 joint Little motion possible in any 1 joint articulationarticulation

– Usually work together in series of Usually work together in series of articulationsarticulations

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• Arthrodial (Gliding) jointsArthrodial (Gliding) joints– Ex. Vertebral facets in spinal Ex. Vertebral facets in spinal

column, intercarpal & column, intercarpal & intertarsal jointsintertarsal joints

– Motions are flexion, Motions are flexion, extension, abduction, extension, abduction, adduction, diagonal adduction, diagonal abduction & adduction, & abduction & adduction, & rotation, (circumduction)rotation, (circumduction)

Diarthrodial JointsDiarthrodial Joints

Modified from Booher JM, Thibedeau GA: Athletic injury assessment, ed 4, New York, 2000, McGraw-Hill.

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Diarthrodial JointsDiarthrodial Joints

• Ginglymus (Hinge) jointGinglymus (Hinge) joint– a uniaxial articulationa uniaxial articulation

– articular surfaces allow motion articular surfaces allow motion in only one planein only one plane

– Ex. Elbow, knee, talocrural Ex. Elbow, knee, talocrural (ankle)(ankle)

Modified from Booher JM, Thibedeau GA: Athletic injury assessment, ed 4, New York, 2000, McGraw-Hill.

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Diarthrodial JointsDiarthrodial Joints

• Trochoid (Pivot) jointTrochoid (Pivot) joint– also uniaxial articulationalso uniaxial articulation

– Ex. atlantoaxial joint - Ex. atlantoaxial joint - odontoid which turns in a odontoid which turns in a bony ring, proximal & distal bony ring, proximal & distal radio-ulnar jointsradio-ulnar joints

Modified from Booher JM, Thibedeau GA: Athletic injury assessment, ed 4, New York, 2000, McGraw-Hill.

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Diarthrodial JointsDiarthrodial Joints

• Condyloid (Knuckle Joint)Condyloid (Knuckle Joint)– biaxial ball & socket jointbiaxial ball & socket joint

– one bone with an oval one bone with an oval concave surface received concave surface received by another bone with an by another bone with an oval convex surfaceoval convex surface

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Diarthrodial JointsDiarthrodial Joints

• Condyloid (Knuckle Joint)Condyloid (Knuckle Joint)– EX. 2nd, 3rd, 4th, & 5th EX. 2nd, 3rd, 4th, & 5th

metacarpophalangeal or metacarpophalangeal or knuckles joints, wrist knuckles joints, wrist articulation between articulation between carpals & radiuscarpals & radius

– flexion, extension, flexion, extension, abduction & adduction abduction & adduction (circumduction)(circumduction)

Modified from Booher JM, Thibedeau GA: Athletic injury assessment, ed 4, New York, 2000, McGraw-Hill.

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Diarthrodial JointsDiarthrodial Joints

• EnarthrodialEnarthrodial– Multiaxial or triaxial ball & socket Multiaxial or triaxial ball & socket

jointjoint– Bony rounded head fitting into a Bony rounded head fitting into a

concave articular surfaceconcave articular surface– Ex. Hip & shoulder jointEx. Hip & shoulder joint– Motions are flexion, extension, Motions are flexion, extension,

abduction, adduction, diagonal abduction, adduction, diagonal abduction & adduction, rotation, and abduction & adduction, rotation, and circumductioncircumduction

Modified from Booher JM, Thibedeau GA: Athletic injury assessment, ed 4, New York, 2000, McGraw-Hill.

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• Sellar (Saddle) JointSellar (Saddle) Joint– unique triaxial jointunique triaxial joint– 2 reciprocally concave & 2 reciprocally concave &

convex articular surfacesconvex articular surfaces– Only example is 1Only example is 1stst

carpometacarpal joint at thumbcarpometacarpal joint at thumb– Flexion, extension, adduction & Flexion, extension, adduction &

abduction, circumduction & abduction, circumduction & slight rotationslight rotation

Diarthrodial JointsDiarthrodial Joints

Modified from Booher JM, Thibedeau GA: Athletic injury assessment, ed 4, New York, 2000, McGraw-Hill.

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Movements in JointsMovements in Joints

• Some joints permit only Some joints permit only flexion & extensionflexion & extension

• Others permit a wide Others permit a wide range of movements, range of movements, depending largely on the depending largely on the joint structurejoint structure

• GoniometerGoniometer is used to is used to measure amount of measure amount of movement in a joint or movement in a joint or measure joint anglesmeasure joint angles

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Range of MotionRange of Motion

• area through which a joint may normally area through which a joint may normally be freely and painlessly movedbe freely and painlessly moved

• measurable degree of movement measurable degree of movement potential in a joint or jointspotential in a joint or joints

• measured with a goniometermeasured with a goniometer

• in degrees 0in degrees 000 to 360 to 36000

From Prentice WE: Arnheim’s principles of athletic training, ed 11, New York, 2003, McGraw-Hill.

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Movements in JointsMovements in Joints

• Goniometer axis is placed even with the Goniometer axis is placed even with the axis of rotation at the joint lineaxis of rotation at the joint line

• As joint is moved, goniometer arms are As joint is moved, goniometer arms are held in place either along or parallel to held in place either along or parallel to long axis of bones on either side of jointlong axis of bones on either side of joint

• Joint angle is then read from Joint angle is then read from goniometergoniometer

• Normal range of motion for a Normal range of motion for a particular joint varies in peopleparticular joint varies in people

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Movements in JointsMovements in Joints

• Terms are used to describe actual Terms are used to describe actual change in position of bones relative to change in position of bones relative to each othereach other

• Angles between bones changeAngles between bones change• Movement occurs between articular Movement occurs between articular

surfaces of jointsurfaces of joint– ““Flexing the knee” results in leg moving Flexing the knee” results in leg moving

closer to thigh closer to thigh – ““flexion of the leg” = flexion of the kneeflexion of the leg” = flexion of the knee

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Movements in JointsMovements in Joints

• Movement terms describe movement Movement terms describe movement occurring throughout the full range of occurring throughout the full range of motion or through a very small rangemotion or through a very small range– Ex. 1 flex knee through full range by Ex. 1 flex knee through full range by

beginning in full knee extension (zero beginning in full knee extension (zero degrees of knee flexion) & flex it fully so degrees of knee flexion) & flex it fully so that the heel comes in contact with that the heel comes in contact with buttocks, which is approximately 140 buttocks, which is approximately 140 degrees of flexiondegrees of flexion

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Movements in JointsMovements in Joints

– Ex. 2 begin with knee in 90 degrees Ex. 2 begin with knee in 90 degrees of flexion & then flex it 30 degrees of flexion & then flex it 30 degrees which results in a knee flexion angle which results in a knee flexion angle of 120 degrees, even though the knee of 120 degrees, even though the knee only flexed 30 degreesonly flexed 30 degrees

– In both ex. 1 & 2 knee is in different In both ex. 1 & 2 knee is in different degrees of flexiondegrees of flexion

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Movements in JointsMovements in Joints

– Ex. 3 begin with knee in 90 degrees Ex. 3 begin with knee in 90 degrees of flexion and extend it 40 degrees, of flexion and extend it 40 degrees, which would result in a flexion angle which would result in a flexion angle of 50 degreesof 50 degrees

– Even though the knee extended, it is Even though the knee extended, it is still flexedstill flexed

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Movements in JointsMovements in Joints

• Some movement terms describe motion Some movement terms describe motion at several joints throughout bodyat several joints throughout body

• Some terms are relatively specific to a Some terms are relatively specific to a joint or group of jointsjoint or group of joints– Additionally, prefixes may be combined Additionally, prefixes may be combined

with these terms to emphasize excessive with these terms to emphasize excessive or reduced motionor reduced motion• hyperhyper- or - or hypohypo--

– Hyperextension is the most commonly Hyperextension is the most commonly usedused

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Movement TerminologyMovement Terminology

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GENERALGENERAL

• AbductionAbduction– Lateral movement away from Lateral movement away from

midline of trunk in lateral planemidline of trunk in lateral plane– raising arms or legs to side raising arms or legs to side

horizontallyhorizontally

• AdductionAdduction– Movement medially toward Movement medially toward

midline of trunk in lateral planemidline of trunk in lateral plane– lowering arm to side or thigh lowering arm to side or thigh

back to anatomical positionback to anatomical position

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GENERALGENERAL

• FlexionFlexion– Bending movement that results in a Bending movement that results in a ▼ ▼ of of

angle in joint by bringing bones together, angle in joint by bringing bones together, usually in sagittal planeusually in sagittal plane

– elbow joint when hand is drawn to shoulderelbow joint when hand is drawn to shoulder

• ExtensionExtension– Straightening movement that results in an Straightening movement that results in an

▲▲ of angle in joint by moving bones apart, of angle in joint by moving bones apart, usually in sagittal planeusually in sagittal plane

– elbow joint when hand moves away from elbow joint when hand moves away from shouldershoulder

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GENERALGENERAL

• CircumductionCircumduction– Circular movement of a limb that delineates Circular movement of a limb that delineates

an arc or describes a conean arc or describes a cone– combination of flexion, extension, combination of flexion, extension,

abduction, & adduction abduction, & adduction – when shoulder joint & hip joint move in a when shoulder joint & hip joint move in a

circular fashion around a fixed pointcircular fashion around a fixed point– also referred to as circumflexionalso referred to as circumflexion

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GENERALGENERAL

• Diagonal abductionDiagonal abduction– Movement by a limb through a diagonal Movement by a limb through a diagonal

plane away from midline of bodyplane away from midline of body

• Diagonal adductionDiagonal adduction– Movement by a limb through a diagonal Movement by a limb through a diagonal

plane toward & across midline of bodyplane toward & across midline of body

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GENERALGENERAL• External rotationExternal rotation

– Rotary movement around longitudinal axis Rotary movement around longitudinal axis of a bone away from midline of bodyof a bone away from midline of body

– Occurs in transverse planeOccurs in transverse plane– a.k.a. rotation laterally, outward rotation, a.k.a. rotation laterally, outward rotation,

& lateral rotation& lateral rotation

• Internal rotationInternal rotation– Rotary movement around longitudinal axis Rotary movement around longitudinal axis

of a bone toward midline of bodyof a bone toward midline of body– Occurs in transverse planeOccurs in transverse plane– a.k.a. rotation medially, inward rotation, & a.k.a. rotation medially, inward rotation, &

medial rotationmedial rotation

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ANKLE & FOOTANKLE & FOOT

• EversionEversion– Turning sole of foot outward or laterallyTurning sole of foot outward or laterally– standing with weight on inner edge of footstanding with weight on inner edge of foot

• InversionInversion– Turning sole of foot inward or mediallyTurning sole of foot inward or medially– standing with weight on outer edge of footstanding with weight on outer edge of foot

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ANKLE & FOOTANKLE & FOOT

• Dorsal flexionDorsal flexion– Flexion movement of ankle that Flexion movement of ankle that

results in top of foot moving toward results in top of foot moving toward anterior tibia boneanterior tibia bone

• Plantar flexionPlantar flexion– Extension movement of ankle that Extension movement of ankle that

results in foot moving away from results in foot moving away from bodybody

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ANKLE & FOOTANKLE & FOOT

• PronationPronation– A combination of ankle dorsiflexion, A combination of ankle dorsiflexion,

subtalar eversion, and forefoot subtalar eversion, and forefoot abduction (toe-out)abduction (toe-out)

• SupinationSupination– A combination of ankle plantar A combination of ankle plantar

flexion, subtalar inversion, and flexion, subtalar inversion, and forefoot adduction (toe-in) forefoot adduction (toe-in)

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RADIOULNAR JOINTRADIOULNAR JOINT

• PronationPronation– Internally rotating radius where it Internally rotating radius where it

lies diagonally across ulna, lies diagonally across ulna, resulting in palm-down position of resulting in palm-down position of forearmforearm

• SupinationSupination– Externally rotating radius where it Externally rotating radius where it

lies parallel to ulna, resulting in lies parallel to ulna, resulting in palm-up position of forearmpalm-up position of forearm

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SHOULDER GIRDLESHOULDER GIRDLE

• DepressionDepression– Inferior movement of shoulder girdleInferior movement of shoulder girdle– returning to normal position from a returning to normal position from a

shoulder shrugshoulder shrug

• ElevationElevation– Superior movement of shoulder girdleSuperior movement of shoulder girdle– shrugging the shouldersshrugging the shoulders

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SHOULDER GIRDLESHOULDER GIRDLE

• ProtractionProtraction– Forward movement of shoulder girdle away Forward movement of shoulder girdle away

from spinefrom spine– Abduction of the scapulaAbduction of the scapula

• RetractionRetraction– Backward movement of shoulder girdle Backward movement of shoulder girdle

toward spinetoward spine– Adduction of the scapulaAdduction of the scapula

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SHOULDER GIRDLESHOULDER GIRDLE

• Rotation downwardRotation downward– Rotary movement of scapula with inferior Rotary movement of scapula with inferior

angle of scapula moving medially & angle of scapula moving medially & downwarddownward

• Rotation upwardRotation upward– Rotary movement of scapula with inferior Rotary movement of scapula with inferior

angle of scapula moving laterally & upwardangle of scapula moving laterally & upward

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SHOULDER JOINTSHOULDER JOINT

• Horizontal abductionHorizontal abduction– Movement of humerus in horizontal plane Movement of humerus in horizontal plane

away from midline of bodyaway from midline of body– also known as horizontal extension or also known as horizontal extension or

transverse abductiontransverse abduction

• Horizontal adductionHorizontal adduction– Movement of humerus in horizontal plane Movement of humerus in horizontal plane

toward midline of bodytoward midline of body– also known as horizontal flexion or also known as horizontal flexion or

transverse adductiontransverse adduction

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SPINESPINE

• Lateral flexion (side bending)Lateral flexion (side bending)– Movement of head and / or trunk laterally Movement of head and / or trunk laterally

away from midlineaway from midline– Abduction of spineAbduction of spine

• ReductionReduction– Return of spinal column to anatomic Return of spinal column to anatomic

position from lateral flexionposition from lateral flexion– Adduction of spineAdduction of spine

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WRIST & HANDWRIST & HAND

• Palmar flexionPalmar flexion– Flexion movement of wrist with volar or Flexion movement of wrist with volar or

anterior side of hand moving toward anterior side of hand moving toward anterior side of forearmanterior side of forearm

• Dorsal flexion (dorsiflexion)Dorsal flexion (dorsiflexion)– Extension movement of wrist in the sagittal Extension movement of wrist in the sagittal

plane with dorsal or posterior side of hand plane with dorsal or posterior side of hand moving toward posterior side of forearmmoving toward posterior side of forearm

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WRIST & HANDWRIST & HAND

• Radial flexion (radial deviation)Radial flexion (radial deviation)– Abduction movement at wrist of Abduction movement at wrist of

thumb side of hand toward thumb side of hand toward forearmforearm

• Ulnar flexion (ulnar deviation)Ulnar flexion (ulnar deviation)– Adduction movement at wrist of Adduction movement at wrist of

little finger side of hand toward little finger side of hand toward forearmforearm

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WRIST & HANDWRIST & HAND

• Opposition of the thumbOpposition of the thumb– Diagonal movement of thumb across Diagonal movement of thumb across

palmar surface of hand to make contact palmar surface of hand to make contact with the hand and/or fingerswith the hand and/or fingers

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Movement IconsMovement Icons

Shoulder girdle

Scapula elevation

Scapula depression

Scapula abduction

Scapula adduction

Scapula upward rotation

Scapula downward

rotation

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Movement IconsMovement Icons

Glenohumeral

Shoulder flexion

Shoulder extension

Shoulder abduction

Shoulder adduction

Shoulder horizontal abduction

Shoulder horizontal adduction

Shoulder external rotation

Shoulder internal rotation

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Movement IconsMovement Icons

Elbow Radioulnar joints

Elbow flexion Elbow extension

Radioulnar supination

Radioulnar pronation

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Movement IconsMovement Icons

Elbow Radioulnar joints

Wrist extension

Wrist flexion Wrist abduction

Wrist adduction

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Movement IconsMovement Icons

Thumb carpometacarpal joint

Thumb metacarpophalangeal

joint

Thumb interphalangeal

joint

Thumb CMC

flexion

Thumb CMC

extension

Thumb CMC

abduction

Thumb MCP flexion

Thumb MCP extension

Thumb IP flexion

Thumb IP extension

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Movement IconsMovement Icons2nd, 3rd, 4th, and 5th MCP, PIP, &

DIP joints

2nd, 3rd, 4th, and 5th MCP

& PIP joints

2nd, 3rd, 4th, and 5th metacarpophalangeal

joints

2nd, 3rd, 4th, and 5th PIP joints

2nd, 3rd, 4th, and 5th DIP joints

2-5th MCP, PIP, & DIP flexion

2-5th MCP, PIP, & DIP

extension

2-5th MCP & PIP flexion

2-5th MCP flexion

2-5th MCP extension

2-5th PIP flexion

2-5th DIP flexion

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Movement IconsMovement Icons

Hip

Hip flexion

Hip extension

Hip abduction

Hip adduction

Hip external rotation

Hip internal rotation

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Movement IconsMovement IconsKnee

Knee flexion Knee extension

Knee external rotation

Knee internal rotation

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Movement IconsMovement Icons

AnkleTransverse tarsal and

subtalar joint

Ankle plantar flexion

Ankle dorsal flexion

Transverse tarsal & subtalar inversion

Transverse tarsal & subtalar eversion

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Movement IconsMovement Icons

Great toe metatarsophalangeal and interphalangeal

joints

2-5th metatarsophalangeal,

proximal interphalangeal, and

distal interphalangeal joints

Great toe MTP & IP

flexion

Great toe MTP & IP

extension

2-5th MTP, PIP & DIP

flexion

2-5th MTP, PIP & DIP extension

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Movement IconsMovement IconsCervical spine

Cervical flexion

Cervical extension

Cervical lateral flexion

Cervical rotation

unilaterally

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Movement IconsMovement IconsLumbar spine

Lumbar flexion

Lumbar extension

Lumbar lateral flexion

Lumbar rotation

unilaterally

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Physiological movements vs. Physiological movements vs. accessory motionsaccessory motions

• Physiological movements - flexion, Physiological movements - flexion, extension, abduction, adduction, & extension, abduction, adduction, & rotationrotation– occur by bones moving through planes of occur by bones moving through planes of

motion about an axis of rotation at jointmotion about an axis of rotation at joint

• OsteokinematicOsteokinematic motion - resulting motion - resulting motion of bones relative to 3 cardinal motion of bones relative to 3 cardinal planes from these physiologicalplanes from these physiological

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Physiological movements vs. Physiological movements vs. accessory motionsaccessory motions

• For osteokinematic motions to For osteokinematic motions to occur there must be movement occur there must be movement between the joint articular surfacesbetween the joint articular surfaces

• ArthrokinematicsArthrokinematics - motion between - motion between articular surfaces articular surfaces

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Physiological movements vs. Physiological movements vs. accessory motionsaccessory motions

• 3 specific types of 3 specific types of accessoryaccessory motionmotion– SpinSpin

– RollRoll

– GlideGlide

From Prentice WE: Rehabilitation techniques for sports medicine and athletic training, ed 4, New York, 2004, WCB/McGraw-Hill.

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Physiological movements vs. Physiological movements vs. accessory motionsaccessory motions

• If accessory motion is prevented from If accessory motion is prevented from occurring, then physiological motion occurring, then physiological motion cannot occur to any substantial degree cannot occur to any substantial degree other than by joint compression or other than by joint compression or distractiondistraction

• Due to most diarthrodial joints being Due to most diarthrodial joints being composed of a concave surface composed of a concave surface articulating with a convex surface roll articulating with a convex surface roll and glide must occur together to some and glide must occur together to some degreedegree

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Physiological movements vs. Physiological movements vs. accessory motionsaccessory motions

• Ex. 1 as a person stands from Ex. 1 as a person stands from a squatted position the femur a squatted position the femur must roll forward and must roll forward and simultaneously slide backward simultaneously slide backward on the tibia for the knee to on the tibia for the knee to extendextend– If not for the slide the femur If not for the slide the femur

would roll off the front of the tibiawould roll off the front of the tibia– If not for the roll, the femur would If not for the roll, the femur would

slide off the back of the tibiaslide off the back of the tibia

From Prentice WE: Rehabilitation techniques for sports medicine and athletic training, ed 4, New York, 2004, WCB/McGraw-Hill.

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Physiological movements vs. Physiological movements vs. accessory motionsaccessory motions

• Spin may occur in isolation or in Spin may occur in isolation or in combination with roll & glidecombination with roll & glide

• As the knee flexes & extends As the knee flexes & extends spin occurs to some degreespin occurs to some degree– In Ex. 1, the femur spins medially In Ex. 1, the femur spins medially

or internally rotates as the knee or internally rotates as the knee reaches full extensionreaches full extension

From Prentice WE: Rehabilitation techniques for sports medicine and athletic training, ed 4, New York, 2004, WCB/McGraw-Hill.

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Physiological movements vs. Physiological movements vs. accessory motionsaccessory motions

• Roll (rock)Roll (rock) - a series of points on one - a series of points on one articular surface contacts with a series articular surface contacts with a series of points on another articular surface of points on another articular surface 

• Glide (slide) (translation) - Glide (slide) (translation) - a specific a specific point on one articulating surface point on one articulating surface comes in contact with a series of comes in contact with a series of points on another surface points on another surface 

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Physiological movements vs. Physiological movements vs. accessory motionsaccessory motions

• Spin - Spin - A single point on one A single point on one articular surface rotates about a articular surface rotates about a single point on another articular single point on another articular surfacesurface– Motion occurs around some Motion occurs around some

stationary longitudinal mechanical stationary longitudinal mechanical axis in either a clockwise or axis in either a clockwise or counterclockwise directioncounterclockwise direction

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Web SitesWeb SitesAnatomy & Physiology Tutorials:Anatomy & Physiology Tutorials:

www.gwc.maricopa.edu/class/bio201/index.htmwww.gwc.maricopa.edu/class/bio201/index.htm

BBC Science & NatureBBC Science & Nature

www.bbc.co.uk/science/humanbody/body/factfiles/www.bbc.co.uk/science/humanbody/body/factfiles/skeleton_anatomy.shtmlskeleton_anatomy.shtml

– Describes each bone and allows viewing of each from Describes each bone and allows viewing of each from different angles different angles

BBC Science & NatureBBC Science & Nature

www.bbc.co.uk/science/humanbody/body/interactives/www.bbc.co.uk/science/humanbody/body/interactives/3djigsaw_02/index.shtml?skeleton3djigsaw_02/index.shtml?skeleton

– Allows interactive placement of bone and joint structures.Allows interactive placement of bone and joint structures.

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Web SitesWeb SitesBBC Science & NatureBBC Science & Nature

www.bbc.co.uk/science/humanbody/body/factfiles/joints/www.bbc.co.uk/science/humanbody/body/factfiles/joints/ball_and_socket_joint.shtml ball_and_socket_joint.shtml

– Describes each type of joint and allows viewing of how the joint Describes each type of joint and allows viewing of how the joint moves within the body. moves within the body.

University of Michigan Learning Resource Center, Hypermuscle: University of Michigan Learning Resource Center, Hypermuscle: Muscles in actionMuscles in actionwww.med.umich.edu/lrc/Hypermuscle/Hyper.html#flex www.med.umich.edu/lrc/Hypermuscle/Hyper.html#flex – Describes each motion and allows viewing of the motion Describes each motion and allows viewing of the motion

performed.performed.ArticulationsArticulations

http://basic-anatomy.net/http://basic-anatomy.net/– A thorough discussion of the articulationsA thorough discussion of the articulations

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Web SitesWeb SitesFoss Human BodyFoss Human Body

http://sv.berkeley.edu/showcase/pages/bones.htmlhttp://sv.berkeley.edu/showcase/pages/bones.html– An interactive site which allows assembly of the skeletonAn interactive site which allows assembly of the skeleton

Functions of the Skeletal SystemFunctions of the Skeletal Systemhttp://training.seer.cancer.gov/module_anatomy/http://training.seer.cancer.gov/module_anatomy/

unit3_1_bone_functions.htmlunit3_1_bone_functions.html– Several pages with information on bone tissue, bone Several pages with information on bone tissue, bone

development and growth, and the jointsdevelopment and growth, and the jointsWireframe SkeletonWireframe Skeleton

www.2flashgames.com/f/f-220.htmwww.2flashgames.com/f/f-220.htm– Move around the skeleton's limbs arms legs body and make it Move around the skeleton's limbs arms legs body and make it

do funny thingsdo funny thingsSkeletal systemSkeletal system

www.bio.psu.edu/faculty/strauss/anatomy/skel/skeletal.htmwww.bio.psu.edu/faculty/strauss/anatomy/skel/skeletal.htm– Pictures of dissected bones and their anatomical landmarksPictures of dissected bones and their anatomical landmarks

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Web SitesWeb SitesArticulationsArticulations

www.douglas.bc.ca/biology/project/articulations/www.douglas.bc.ca/biology/project/articulations/– Details all of the joint types with pictures and review questionsDetails all of the joint types with pictures and review questions

eSkeletons ProjecteSkeletons Projectwww.eskeletons.org/www.eskeletons.org/– An interactive site with a bone viewer showing the morphology, An interactive site with a bone viewer showing the morphology,

origins, insertions, and articulations of each boneorigins, insertions, and articulations of each boneExRx ArticulationsExRx Articulations

www.exrx.net/Lists/Articulations.htmlwww.exrx.net/Lists/Articulations.html– Detailed common exercises demonstrating movements of each Detailed common exercises demonstrating movements of each

joint and listing the muscles involvedjoint and listing the muscles involvedSkeleton ShakedownSkeleton Shakedown

www.harcourtschool.com/activity/skel/skel.htmlwww.harcourtschool.com/activity/skel/skel.html– Help put a disarticulated skeleton back togetherHelp put a disarticulated skeleton back together

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Web SitesWeb SitesHuman Anatomy OnlineHuman Anatomy Online

www.innerbody.com/image/skelfov.htmlwww.innerbody.com/image/skelfov.html– Interactive skeleton labelingInteractive skeleton labeling

KLB Science Department InteractivitiesKLB Science Department Interactivitieswww.klbschool.org.uk/interactive/science/skeleton.htmwww.klbschool.org.uk/interactive/science/skeleton.htm– Skeleton labeling exercisesSkeleton labeling exercises

Introductory Anatomy: JointsIntroductory Anatomy: Jointswww.leeds.ac.uk/chb/lectures/anatomy4.htmlwww.leeds.ac.uk/chb/lectures/anatomy4.html– Notes on joint articulationsNotes on joint articulations

The Interactive SkeletonThe Interactive Skeletonwww.pdh-odp.co.uk/skeleton.htmwww.pdh-odp.co.uk/skeleton.htm– Point and click to detailed skeletal illustrationsPoint and click to detailed skeletal illustrations

Radiographic Anatomy of the SkeletonRadiographic Anatomy of the Skeletonwww.rad.washington.edu/radanat/www.rad.washington.edu/radanat/– X-rays with and without labels of bony landmarksX-rays with and without labels of bony landmarks

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Web SitesWeb SitesRadiographic Anatomy of the SkeletonRadiographic Anatomy of the Skeleton

www.szote.u-szeged.hu/Radiology/Anatomy/skeleton.htmwww.szote.u-szeged.hu/Radiology/Anatomy/skeleton.htm– X-rays with and without labels of bony landmarksX-rays with and without labels of bony landmarks

Virtual skeletonVirtual skeletonwww.uwyo.edu/RealLearning/4210qtvr.htmlwww.uwyo.edu/RealLearning/4210qtvr.html– A 3-dimensional human osteology with Quicktime movies of A 3-dimensional human osteology with Quicktime movies of

each boneeach boneSkeleton: The JointsSkeleton: The Joints

www.zoology.ubc.ca/~biomania/tutorial/bonejt/outline.htmwww.zoology.ubc.ca/~biomania/tutorial/bonejt/outline.htm– Point and click to detailed joint illustrationsPoint and click to detailed joint illustrations

Forensic AnthropologyForensic Anthropologyhttp://www-personal.une.edu.au/~pbrown3/skeleton.pdf http://www-personal.une.edu.au/~pbrown3/skeleton.pdf – A detailed discussion of skeletal anthropology with excellent A detailed discussion of skeletal anthropology with excellent

pictures of dissected bonespictures of dissected bones