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Muscle Anatomy and Physiology Lab. Jana Causey Chris Christen Amanda Parker. Part I: Identification of Muscles and their Actions Student Learning Goals. Identify various muscles in the human body using images and human muscle models. - PowerPoint PPT Presentation
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Pearl River Community College
Muscle Anatomy and Physiology Lab
Jana CauseyChris Christen
Amanda Parker
Pearl River Community College
Part I: Identification of Muscles and their ActionsStudent Learning Goals
1. Identify various muscles in the human body using images and human muscle models.
2. Identify the action, origin and, insertion of each muscle identified.
3. Identify prime movers (agonists), antagonistic muscles, synergistic muscles, and fixators/stabilizers of each muscle action.
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Review: Planes of the Body
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Terminology
• Origin – point at which a muscle attaches to a bone and is static
• Insertion – point at which a muscle attaches to a bone and moves that bone upon contraction
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Terminology
• Prime mover (Agonist) – primary muscle completing the action
• Antagonist – relaxes to allow the agonist to contract; contraction results in an opposite movement
• Synergist(s) – hold the body in the correct position to complete the action
• Fixator/Stabilizer – special synergist that stabilizes the bone of the prime movers origin
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Corrugatorsupercilii Orbicularis oculiLevator labiisuperiorisZygomaticusminor and majorBuccinator
Orbicularis orisMentalisDepressorlabii inferiorisDepressor anguli oris
Frontal bellyOccipitalbelly
Temporalis
MasseterSternocleidomastoidTrapezius
Epicranius
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Transversus abdominisInternal obliqueExternal oblique
Pectoralis major
Rectusabdominis
Serratus anterior
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SubclaviusClavicle
SubscapularisPectoralis minor
Coracobrachialis
Serratus anterior
Humerus
Sternocleido-mastoid
DeltoidPectoralismajor Sternum
Biceps brachii
Trapezius
LevatorscapulaeSupraspinatusClavicleSpine ofscapula InfraspinatusTeres minor
Humerus
Deltoid
Teres major
Latissimusdorsi
RhomboidminorRhomboidmajor
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Clavicle
Deltoid
Pectoralis major
Lateral headLong headMedial head
CoracobrachialisTriceps brachii:
Biceps brachiiBrachialisBrachioradialis
(a) Anterior view
Supraspinatus*Spine of scapula
(b) Posterior view
Deltoid (cut)Greater tubercleof humerusInfraspinatus*Teres minor*Teres majorTriceps brachii:
Latissimus dorsi
HumerusOlecranon processof ulna
Lateral head Long head
Anconeus
* Rotator cuff muscles
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Flexor carpiulnaris
Extensor carpiulnaris
Extensor digitiminimi
Extensor indicis
Extensor digitorum
Extensor carpiradialis brevisExtensor carpiradialis longus
Biceps brachii
Pronator teres
Brachioradialis
Pronator quadratus
Flexor carpi radialisPalmaris longusFlexor carpi ulnaris
Flexor digitorumsuperficialis
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Psoas minor
Psoas majorIliopsoas Iliacus
Tensor fasciae lataePectineusSartoriusQuadriceps femoris• Rectus femoris • Vastus lateralis• Vastus medialis
Adductor magnus
Adductor longusGracilis
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Gluteus medius
Gluteus maximus
Adductor magnusGracilis
Long head
SemitendinosusSemimembranosus
Short headBicepsfemoris Hamstrings
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GastrocnemiusSoleusFibularis longusExtensor digitorum longusTibialis anteriorExtensor hallucis longus
Fibularis brevisFlexor hallucis longus
Extensor digitorum brevisExtensor hallucis brevis
Fibularis longusGastrocnemiusTibia
Tibialis anteriorExtensor digitorum longus
SoleusExtensor hallucis longus
Fibularis tertius
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Part II: Incorporation of Exercise and Muscle ActionStudent Learning Goals
• Review various muscle groups on muscle models
• Identify prime movers (agonists), antagonistic muscles, synergistic muscles, and fixators/stabilizers of the muscles used in the assigned exercise
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Movements of the Abdominal Muscles:Sit-up
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Movements of the Back:Superman
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Movements of the Back:Reverse Butterfly
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Movements of the Chest:Butterfly
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Movements of the Chest and Arms:Downward Motion of a Push-up
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Movements of the Chest and Arms:Upward Motion of a Push-up
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Movements of the Arms: Bicep Curl
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Movements of the Arms: Lateral Shoulder Raise
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Movements of the Arms:Rotating Bicep Curl
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Movements of the Arms:Forearm Curl
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Movements of the Legs:Lateral Leg Raises
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Movements of the Legs:Forward Leg Raises
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Movements of the Legs:Backward Leg Raises
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Movements of the Legs:Lunges
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Movements of the Legs:Squats
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Movements of the Legs:Calf Raises
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Movements of the Legs:Flexing the Foot
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Assignment Options
1. Complete the assignment during lab using the handout provided– Addition of synergist/fixators to list
2. Assign different muscle groups to students and require students to choreograph muscle movements that use the muscle groups– Addition of light weights and/or bands
3. Online adaptations