Ulnar Nerve Anatomy - pediagenosis
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Tuesday, October 29, 2019

Ulnar Nerve Anatomy

Ulnar Nerve Anatomy
Note: Only muscles innervated by ulnar nerve shown.
Ulnar nerve (C7, 8, T1), Inconstant contribution, Medial epicondyle, Articular branch (posterior to medial condyle), Flexor digitorum profundus muscle (medial part only; lateral part supplied by anterior interosseous branch of median nerve), Dorsal branch, Flexor carpi ulnaris muscle (retracted), Palmar branch, Superficial branch, Palmar carpal ligament, 

Deep branch, Palmaris brevis, Abductor digiti minimi, Flexor digiti minimi brevis, Opponens digiti minimi, Hypothenar muscles, Common palmar digital nerve, Palmar interosseous muscles, Communicating branch of median nerve with ulnar nerve 3rd and 4th lumbrical muscles (turned down), Proper palmar digital nerves (dorsal digital nerves are from dorsal branch), Dorsal branches to skin of dorsum of middle and distal phalangeal bones, Adductor pollicis muscle 1st dorsal interosseous muscle, Posterior (dorsal) view, Flexor pollicis brevis muscle (often deep head only; superficial head and other thenar muscles supplied by median nerve), Palmar view, Cutaneous innervation.
Ulnar Nerve Anatomy

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