UE BRS Gross Anatomy 2011 Muscles of the Upper Limb PDF
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Uploaded by GallantDalmatianJasper7106
2011
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Summary
This document provides a detailed description of the muscles of the anterior and posterior forearms. It includes information on origin, insertion, nerve, and action for each muscle. This is a valuable resource for those studying human anatomy, particularly at the undergraduate level or for those performing medical training.
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Chapter 7 Upper Limb 295 t a b l e 7.4 Muscles of the Anterior Forearm Muscle Origin Insertion Nerve Action Pronator teres...
Chapter 7 Upper Limb 295 t a b l e 7.4 Muscles of the Anterior Forearm Muscle Origin Insertion Nerve Action Pronator teres Medial epicondyle and Middle of lateral side of Median Pronates and flexes coronoid process of ulna radius forearm Flexor carpi radialis Medial epicondyle of Bases of second and third Median Flexes forearm, flexes humerus metacarpals and abducts hand Palmaris longus Medial epicondyle of Flexor retinaculum, palmar Median Flexes forearm and humerus aponeurosis hand Flexor carpi ulnaris Medial epicondyle (humeral Pisiform, hook of hamate, Ulnar Flexes forearm; flexes head); medial olecranon, and base of fifth metacarpal and adducts hand and posterior border of ulna (ulnar head) Flexor digitorum Medial epicondyle, coronoid Middle phalanges of finger Median Flexes proximal superficialis process, oblique line of interphalangeal joints, radius flexes hand and forearm Flexor digitorum Anteromedial surface Bases of distal phalanges Ulnar and Flexes distal profundus of ulna, interosseous of fingers median interphalangeal joints membrane and hand Flexor pollicis Anterior surface of radius, Base of distal phalanx of Median Flexes thumb longus interosseous membrane, thumb and coronoid process Pronator quadratus Anterior surface of distal Anterior surface of distal Median Pronates forearm ulna radius t a b l e 7.5 Muscles of the Posterior Forearm Muscle Origin Insertion Nerve Action Brachioradialis Lateral supracondylar ridge of Base of radial styloid Radial Flexes forearm humerus process Extensor carpi Lateral supracondylar ridge of Dorsum of base of second Radial Extends and abducts hand radialis longus humerus metacarpal Extensor carpi Lateral epicondyle of humerus Posterior base of third Radial Extends and abducts radialis brevis metacarpal hands Extensor Lateral epicondyle of humerus Extensor expansion, base Radial Extends fingers and hand digitorum of middle and digital phalanges Extensor digiti Common extensor tendon and Extensor expansion, base of Radial Extends little finger minimi interosseous membrane middle and distal phalanges Extensor carpi Lateral epicondyle and Base of fifth metacarpal Radial Extends and adducts hand ulnaris posterior surface of ulna Supinator Lateral epicondyle, radial Lateral side of upper part Radial Supinates forearm collateral and annular of radius ligaments, supinator fossa and crest of ulna Abductor Interosseous membrane, Lateral surface of base of Radial Abducts thumb and hand pollicis longus middle third of posterior first metacarpal surfaces of radius and ulna Extensor pollicis Interosseous membrane Base of distal phalanx of Radial Extends distal phalanx of longus and middle third of posterior thumb thumb and abducts hand surface of ulna Extensor pollicis Interosseous membrane and Base of proximal phalanx Radial Extends proximal phalanx brevis posterior surface of middle of thumb of thumb and abducts third of radius hand Extensor indicis Posterior surface of ulna and Extensor expansion of index Radial Extends index finger interosseous membrane finger Chung9781451193077-ch007.indd DESIGN SERVICES OF # 153691 Cust: LWW 295 Au: Chung Pg. No. 295 C/M/Y/K 10/09/14 4:09 PM
