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Volar Forearm

Nerve, blood supply, origin, insertion

MuscleOriginInsertionBlood SupplyInnervation
Pronator Teres Humeral head - Proximal to medial epicondlye via common flexor tendon Ulnar - Medial side of coronoid process of ulna Middle of lateral radial shaft Inf ulnar collateral, ant ulnar recurrent; common interosseous; br from ulnar; radial a Median n from C6,C7
Flexor Carpi Radialis Medial epicondyle via common flexor tendon Palmar surface of 2nd metacarpal Br from ant & post ulnar recurrent, br from radial a Median n C6,C7
Palmaris Longus Medial epicondyle via common flexor tendon Palmar aponeurosis Br from ant ulnar recurrent Median n C7,8
Flexor Digitorum Superficialis Humeroulnar - Medial epicondyle via CFT, ant band of ulnar collateral lig, medial side of coronoid process Radial - Ant radial border from tuberosity to insertion of pronator teres Superficial - Anterior surface of middle phalanges 3 & 4 Deep - Ant surface of middle phalanges 2 & 5 Ant ulnar recurrent; br from radial, medial, and ulnar a Median n C8,T1
Flexor Carpi Ulnaris Humeral - Medial epicondyle via CFT Ulnar - medial margin of olecranon, proximal 2/3 of post border of ulna Ant surface of pisiform, hamate, & 5th metacarpal Br from ulnar, inf ulnar collateral, & post ulnar recurrent aa Ulnar n C7-T1
Flexor Digitorum Profundus Upper 3/4 of post ulnar border, medial and ant ulnar surfaces & ant surface of interosseous membrane Palmar surfaces of bases of distal phalanges 2-5 Inf ulnar collateral, ulnar recurrent; Br from common and ant inerosseous; br from ulnar & medial Ulnar n & ant interosseous n C8,T1
Flexor Pollicis Longus Ant surface of radius from below tubersosity to insertion of pronator quadratus, adjacent interosseous mem Palmar surface of base of distal phalanx of thumb Ant interosseous Radial Ant interosseous n C7,C8
Pronator quadratus Oblique ridge and medial surface of lower ant surface of ulna Distal 1/4 of ant border and surface of shaft of radius Ant interosseous a Ant interosseous n C7,8
Created by: PippaODU