DIAG 2730 Concave Convex Rule (Roll, Spin, Glide)

DIAG 2730 Concave Convex Rule (Roll, Spin, Glide) -...

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Osteokinematics vs. Arthrokinematics Osteokinematics gross movements of bones at joints flexion / extension abduction / adduction • internal rotation / external rotation Arthrokinematics small amplitude motions of bones at joint surface roll glide (or slide) • spin 1
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Osteokinematics Typically the terms we use to describe motion Movements happening at synovial joints Occur around center of rotation Joint axis 2
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Terminology We speak as if this joint axis is a fixed point, as if the center of rotation is stationary like an automobile axle. Joint axes' locations are fairly stable, but only because the joint surfaces move in a very specific way 3
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General term for the specific movements of joint surfaces. Normal joint surface movement is necessary to ensure long-term joint integrity. Referred to as joint play motions or
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This note was uploaded on 11/23/2011 for the course DIAG 2730 taught by Professor Ronaldg.mayne during the Winter '11 term at Life Chiropractic College West.

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DIAG 2730 Concave Convex Rule (Roll, Spin, Glide) -...

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