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Forearm flexors 2010

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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