Anterior Compartment of Forearm

Pronator Teres

• Origin: Superficial - medial epicondyle of humerus; deep- coronoid process of ulna

• Insertion: middle of lateral aspect of radius

• Nerve Supply: Median Nerve

• Function: Pronation of forearm

flexor digitorum radialis

origin: medial epicondyle of humerus

insertion: base of 2nd, 3rd metacarpal

nerve supply: median nerve

action: flexion of wrist, abduction

palmaris longus

origin: medial epicondyle, coronoid process, anterior oblique line of radius

insertion: palmar aponeurosis, flexor retinaculum

nerve supply: median nerve

action: flexion of wrist

fresher’s nerve

flexor carpi ulnaris

origin: medial epicondyle of humerus, olecaranon process, posterior border of ulna

insertion: pisiform bone, hook of hamate

nerve supply: ulnar nerve

action: flexion, adduction

flexor digitorum superficialis