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Hand & Wrist Exam

Peripheral Nerve Signs

May 9th, 2019

Wrist Drop

  • Look For

  • Abnormal flexion of the wrist, due to inability to extend the joint
  • Significance

  • Radial nerve lesion.

Benediction Hand

  • How to Perform

  • Ask the patient to make a fist. Benediction hand is present if the patient is unable to flex the index and middle fingers.
  • Significance

  • 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

  • Ulnar nerve lesion.
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