Wartenberg Sign

Wartenberg Sign is used to test for Ulnar nerve motor weakness.
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 Wartenberg Sign

What is Wartenberg Sign?

  • Wartenberg Sign is used to test for Ulnar nerve motor weakness

How it's Performed?

  • Patient asked to hold fingers fully adducted with MCP, PIP, and DIP joints fully extended

What does a positive Wartenberg Sign mean?

  • Positive if small finger drifts away from others into abduction


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