Course Median Nerve

Median Nerve

Anterior view

Note: Only muscles innervated by median nerve shown

Cords of brachial plexus

1st and 2nd lumbrical muscles

Dorsal branches to dorsum of middle and distal phalanges

Cords of brachial plexus

Musculocutaneous nerve

Median nerve (C5, 6, 7, 8, T1) Inconstant contribution

Pronator teres muscle (humeral head) Articular branch

Flexor carpi radialis muscle

Palmaris longus muscle

Pronator teres muscle (ulnar head)

Flexor digitorum superficialis muscle (turned up)

1st and 2nd lumbrical muscles

Median Nerve Course Lexor Digitorum

Musculocutaneous nerve

Median nerve (C5, 6, 7, 8, T1) Inconstant contribution

Pronator teres muscle (humeral head) Articular branch

Flexor carpi radialis muscle

Palmaris longus muscle

Pronator teres muscle (ulnar head)

Flexor digitorum superficialis muscle (turned up)

Flexor digitorum profundus muscle (lateral part supplied by median [anterior interosseous] nerve; medial part supplied by ulnar nerve)

Anterior interosseous nerve

Flexor pollicis longus muscle

Pronator quadratus muscle

Palmar branch of median nerve

Abductor pollicis brevis Opponens pollicis Thenar i Superficial head of muscles \ flexor pollicis brevis (deep head supplied by ulnar nerve)

Posterior (dorsal) view

Ulnar Nerve

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