2019年10月31日 · The superficial (sensory) branch of the ulnar nerve divides into two branches; the ulnar one supplies the ulnar side of the little finger, the radial one supplies the 4th web space and adjacent sides of little and ring fingers.

2023年7月5日 · The ulnar nerve is a terminal branch of the medial cord of the brachial plexus. It contains mainly fibers from the anterior rami of spinal nerves C8 and T1, but may sometimes carry C7 fibers as well. From its origin, the ulnar nerve courses distally through the axilla, arm and forearm into the hand.

The ulnar nerve is a nerve that runs near the ulna, one of the two long bones in the forearm. The ulnar collateral ligament of elbow joint is in relation with the ulnar nerve. The nerve is the largest in the human body unprotected by muscle or bone, so injury is common. [1]

2024年10月4日 · The ulnar nerve is a major peripheral nerve of the upper limb. In this article, we shall look at the applied anatomy of the nerve - its anatomical course, motor functions and cutaneous innervation. We shall also consider the clinical correlations of …

Proper palmar (or volar) digital nerves arise from the common digital branches of the ulnar nerve inside the palmar aspect of the hand. The common palmar digital branches of the ulnar nerve provide cutaneous sensory innervation to the skin of adjacent sides of the ring and little fingers.

2023年7月24日 · The ulnar nerve is one of the 5 terminal branches of the brachial plexus, arising from the medial cord. It supplies motor and sensory innervation to the upper extremity. The ulnar nerve originates from contributions of the ventral rami of C8 and T1 nerve roots.

The proper palmar digital nerve for the medial side of the little finger arises directly from the superficial terminal branch of ulnar nerve. Those for the interdigital skin between the adjacent side of the little and ring fingers arise from the common palmar digital branches of the ulnar nerve.

After exiting the cubital tunnel, the ulnar nerve gives off 2 or 3 muscular branches to the exor carpi ulnaris (FCU) muscle. pronator aponeurosis. In the forearm, the nerve passes anterior to the exor digitorum profundus (FDP) muscle to supply motor branches to the ulnar half of FDP.

The superficial branch (ramus superficialis [n. ulnaris] supplies the Palmaris brevis, and the skin on the ulnar side of the hand, and divides into a proper palmar digital branch for the ulnar side of the little finger, and a common palmar digital branch which gives a communicating twig to the median nerve and divides into two proper digital ...

Dorsal digital nerves of ulnar nerve are branches on the dorsum of the hand. The dorsal branch of the ulnar nerve divides into two dorsal digital branches; one supplies the ulnar side of the little finger; the other, the adjacent sides of the little and ring fingers.