Wrist Drop
Look For
- Abnormal flexion of the wrist, due to inability to extend the joint.
Significance
- A classical sign of radial nerve lesion.
Hand of Benediction
How to Elicit
- Ask the patient to make a fist. Benediction hand is present if the patient is unable to flex the index and middle fingers.
Significance
- A classical sign of median nerve lesion.
Claw Hand
Look For
- Extension of the MCP joints and flexion of the IP joints of the ring and little fingers.
Significance
- A classical sign of ulnar nerve lesion.
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