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Forearm flexors 2010
| Question | Answer |
|---|---|
| Pronator teres | Pronates forearm and weakly flexes elbow |
| Flexor carpi radialis | flexes wrist and abducts it, weakly flexes elbow |
| Palmaris longus | flexes wrist and tightens palmar aponeurosis |
| Flexor carpi ulnaris | flexes wrist and adducts it, weak flexes elbow |
| Flexor digitorum superficialis | Flexes middle phalanges of medial four digits; acting more strongly, it flexes proximal phalanges at MCP joint |
| Flexor digitorum profundus | Flexes distal phalanges of medial four digits (fingers); also flexes of PIP's & MCP's ; aids in wrist flexion |
| Flexor pollicis longus | Flexes phalanges of first digit(thumb) |
| Pronator quadratus | Pronates forearm; deep fibers bind radius and ulna together |
| Pronator teres | -2 heads: Medial epicondyle of humerus & ulnar coronoid process -Middle of lateral surface of radius |
| Flexor carpi radialis | -Medial epicondyle of humerus -Base of 2nd metacarpal bone & slip to 3rd |
| Palmaris longus | -Medial epicondyle of humerus -Distal half of flexor retinaculum and palmar aponeurosis |
| Flexor carpi ulnaris | -Humeral head: medial epicondyle of humerus Ulnar head: olecranon and proximal posterior border of ulna -Pisiform bone; hook of hamate bone and 5th metacarpal bone via pisohamate/ pisometacarpal ligaments |
| Flexor digitorum superficialis | - 2 heads:medial epicondyle of humerus, ulnar collateral ligament, and coronoid process of ulna. superior half of anterior border of radius -Bodies of the middle phalanges of medial four digits |
| Flexor digitorum profundus | -Proximal three-fourths of medial and anterior surfaces of ulna and interosseous membrane -Bases of distal phalanges of medial four digits |
| Flexor pollicis longus | -Anterior surface of the radius and adjacent interosseous membrane -Base of distal phalanx of thumb |
| Pronator quadratus | -Distal fourth of anterior surface of ulna -Distal fourth of anterior surface of radius |
| The median nerve innervates the what muscles? | Pronator teres, Flexor carpi radialis, Palmaris longus, Flexor digitorum superficialis |
| Flexor digitorum profundus | innervated by Median and Ulnar nerves |
| Flexor carpi ulnaris | innervated by Ulnar nerve |
| The Anterior interosseous nerve from median nerve innervates what muscles? | Flexor pollicis longus, Pronator quadratus |
Created by:
apage
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