More things about the skeletal system

More things about the Skeletal More things about the Skeletal SystemSystem

Oh no…its starting again…Oh no…its starting again…

Disclaimer:Disclaimer: There are pictures in this presentation you will not be able to find, others you will (maybe). Make note of the information and move on.

Calcium regulation

Over 99% of the bodies Calcium (Ca+2) resides in the Bones of the Human body

Hormone gets Released from the Parathyroid

Stimulate OSTEOCLASTS Head for the nearest bone

Bone Breaks down Calcium is Released

Calcium levels RISE!!!Calcium levels RISE!!!

Calcium levels are lowlow

Calcium regulation Calcium levels are HighHigh

Vitamin D is Vitamin D is stimulated in stimulated in the skinthe skin (modified in the liver and kidneys) Calcium is Absorbed by Absorbed by the Small the Small IntestineIntestine

CalcitoninCalcitonin is Released by the Parathyroid Gland Calcium is Absorbed by the OsteoblastsOsteoblasts and Bone begins to build

Calcium levels FALL!!!Calcium levels FALL!!!

Bones gone haywire

Gout Gout

Disease in which Uric AcidUric Acid Crystals build up in the blood and deposit themselves at the joints.

Bones gone haywire

Gout Gout So what does that REALLY look like?

Kinda like this

Bones gone haywire

OsteoporosisOsteoporosis

A Bone THINNING THINNING disease that effects HALF of women over 65

Bones in the Spine and Neck of the Femur are greatly effected

Bones gone haywire

OsteoporosisOsteoporosis

What it looks like

Bones gone haywire

OsteoporosisOsteoporosis

What it looks like over TIME

Would you believe this is a ManMan?

~Yes MEN can have it too~

Joints Plane jointPlane joint

Found in:

Carpals and Clavicle and Scapula

Joints Hinge joint Hinge joint

Found in:

Elbows and Knees

Joints Hinge jointHinge joint

Gone Wrong…

Excuse me…does this look Straight to you?

Joints Pivot jointPivot joint

Found in:

Distal Arms

Neck

Joints Condyloid jointCondyloid joint

Found in:

The Metacarpals

The Metatarsals

Joints Saddle jointSaddle joint

Found in:

The Thumb

Joints Ball and Socket jointBall and Socket joint

Where else would you find another Ball and Socket Joint in your Body?

Joint Disorders

(OA) Osteoarthritis(OA) Osteoarthritis = Breakdown of articulating cartilage

Over years of use:

•Fraying

•Softening

•Eventual Breakdown

Joint Disorders

(RA) Rheumatoid (RA) Rheumatoid ArthritisArthritis = inflammatory disorder of the joints *Usually in a symmetrical manner*

This an Autoimmune disorder

Spine Disorders

Kyphosis:Kyphosis:

Abnormal curvature of the Upper Spine also known as “Hunchback”

Spine Disorders

Lordosis:

An abnormal forward curvature of the spine in the lumbar region.

Spine Disorders

Scoliosis:Scoliosis: a side-to-side curvature of the spine.

What it really looks like