Ulnar Nerve

Ulnar nerve is the branch of the medial cord of brachial plexus with root value C8 and T1. 


it supplies flexor carpi ulnaris and the medial half of flexor digitorium profundus in forearm.


 In the hand through its superficial branch it supplies palmaris brevis and digital branches to the volar side of the little finger and medial half of ring finger. 


The deep branch supplies the hypothenar, the dorsal and palmar interossei, two medial lumbricals and the adductor pollicis muscles of the hand.