JOINTS - a place where bones meet

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Presentation transcript:

JOINTS - a place where bones meet A. Classifications 1. Immovable - skull 2. Slightly moveable (vertebral column)

a. ball-and-socket (shoulder, hip) 3. Freely moveable a. ball-and-socket (shoulder, hip) b. Hinge (elbow)

joints, cont... c. Pivot (attaches skull to head) D. Gliding (wrist)

joints, cont... e. Saddle (EX: thumb)

2. Ossification - replacement of cartilage w/bone 1. Some always present 2. Ossification - replacement of cartilage w/bone 3. Bursae - fluid-filled sacs that lubricate some freely moveable joints

Diseases & Disorders Bursitis is an inflammation of the bursa, causing pain in the body's joints. Osteoarthritis, also called degenerative joint disease, occurs when a joint wears out.

Osteoporosisis a disease resulting in the loss of bone tissue Scoliosis is a side-to-side curve of the spine.

FRACTURES Leukemia affects the production of red blood cells.