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anatomical pp20
The Wrist Joint
| Term | Definition |
|---|---|
| What does the wrist joint provide mobility and stability for? | The hand to grasp and manipulate objects |
| Wrist joint --> | Articulation of radius and carpal bones |
| Muscles involved in wrist movement span what? | The carpals and insert on the metacarpals |
| What des the radial collateral ligament do? | Limits wrist adduction |
| What does the ulnar collateral ligament do? | Limits wrist abduction |
| What does the palmar radiocarpal and ulnocarpal ligament do? | Limits wrist extension |
| What does the dorsal radiocarpal ligament do? | Limits wrist flexion |
| Flexor retinaculum | - Horizontal fibrous band of connective tissue on palmar surface of wrist - Holds flexor tendons close to wrist |
| Extensor retinaculum | - Horizontal fibrous band of connective tissue on dorsal surface of wrist - Holds extensor tendons close to wrist |
| What motions are allowed at the wrist? | - Flexion/Extension - Abduction/Adduction |
| What is a common flexor tendon? | - Attaches to medial epicondyle of humorous |
| What is a common extensor tendon? | - Attaches to lateral epicondyle of humorous |
| What movements does the flexor carpi ulnaris longus allow? | - Wrist flexion - Wrist adduction |
| What movements does the flexor carpi radialis allow? | - Wrist flexion - Wrist abduction |
| What movements does the palmaris longus allow? | - Wrist flexion |
| What movements does the flexor digitorum superficialis allow? | - Wrist flexion |
| What movements does the flexor digitorum profundus allow? | - Wrist flexion |
| What movements does the flexor pollicis longus allow? | - Wrist flexion |
| What movements are allowed by the extensor carpi radialis longus? | - Wrist extension - Wrist abduction |
| What movements are allowed by the extensor carpi radialis brevis? | - Wrist extension |
| What movements are allowed by the extensor carpi ulnaris? | - Wrist extension - Wrist adduction |
| What movements are allowed by the extensor pollicis longus? | - Wrist extension |
| What movements are allowed by the extensor digitorum? | - Wrist extension |
| What movements are allowed by the extensor digit minimi? | - Wrist extension |
Created by:
faithlluce
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