Download Muscle Chart: Superficial Anterior Forearm

Superficial Muscles of the Anterior (Flexor) Forearm MUSCLE NERVE ORIGIN(S) INSERTION(S) ACTION(S) Pronator teres Median Medial epicondyle of Humerus Lateral surface of shaft of radius Pronation of forearm Flexor carpi radialis Median Medial epicondyle of Humerus Base of 2nd & 3rd Metacarpals Flexion and weak abduction of wrist Palmaris longus Median Medial epicondyle of Humerus Palmar aponeurosis Flexion of wrist Flexor carpi Ulnaris Ulnar Medial epicondyle of Humerus Hamate and 5th metacarpal via pisiform Flexion and adduction of wrist Flexor digitorum superficialis Median Medial epicondyle of Humerus and anterior border of radius Middle phalanges of digits 2­5 Flexion of proximal interphalangeal joints (and MP and wrist flexion)