ulnar claw

Some sources, incorrectly, refer to the ulnar claw as a "hand of benediction" or "pope's blessing".

The Ulnar nerve runs from the shoulder to the hand, and damage to it is called the Ulnar claw.

Patients exhibiting an ulnar claw are also very frequently unable to spread (abduct) or pull together (adduct) the fingers against resistance.

An ulnar claw, also known as claw hand, is an abnormal hand position that develops due to a problem with the ulnar nerve.

Every day activities such as cyclist, motorcyclist, and desk jobs prolong movement and elbow leaning and even pizza cutting can result in the ulnar claw.

The "ulnar claw," or a position where the small and ring fingers curl up, occurs late in the disease and is a sign the nerve is severely affected.

An ulnar claw may follow an ulnar nerve lesion which results in the partial or complete denervation of the ulnar (medial) two lumbricals of the hand.

This claw appearance can be distinguished from an ulnar claw in that the MCP is flexed in Dupuytren's but hyperextended in ulnar nerve injuries.

Severe entrapment or complete severing of the ulnar nerve can present clinically as an ulnar claw, or can be diagnosed by clinical tests, like card test, Froment's sign, and so on.

A hand in ulnar claw position will have the 4th and 5th fingers drawn towards the back of the hand at the first knuckle and curled towards the palm at the second and third knuckles.