Term
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Definition
Placement and stabilization of hand (w/ elbow, shoulder, and trunk) for function
*one of the most complex joints in human body!
*provides mobility and stability |
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Term
| What type of joint is the wrist? |
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Definition
| Condyloid (2 degrees of freedom) |
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Term
| What does the wrist complex consist of? |
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Definition
15 bones
17 Joints
vast ligamentous system |
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Term
| Name the carpal bones (2 rows of 4) |
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Definition
Proximal row: (start at thumb side)
Scaphoid, Lunate, triquetrum, pisiform
Distal row: (lateral to medial)
Trapezium, trapezoid, capitate, hamate
**Some lovers try positions they..t..can't handle**
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Term
| Where do the metacarpals articulate? |
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Definition
Proximally: one or more carpals and adjacent MCs
Distally: base of proximal phalanx |
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Term
| Name the 3 joints in the wrist from proximal to distal. What kinds of actions do they perform? |
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Definition
1. Radiocarpal joint (RC)
2. Midcarpal joint (MC)
3. Carpometacarpal joint (CMC)
Flexion/neutral/Extension
Radial and ulnar deviation |
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Term
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Definition
A tunnel where median nerve and flexor tendons pass thru on the palmar side of the wrist. Trauma and swelling leads to compression of the median nerve.
*extensor and flexor retinaula?
*splinting? |
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Term
When the wrist extends, what do the fingers do? Why?
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Definition
| the fingers flex...they are synergists |
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Term
When the wrist flexes, what do the fingers do? Why?
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Definition
| The fingers extend...they are synergists |
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Term
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Definition
| Tendon action of a muscle. Some degree of of opening and closing the hand can be accomplished by using the principle of passive insufficiency. functional use of passive insufficiency. |
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