Wartenberg’s Sign

Published July 2, 2026 Read time 1 min read Readers 1
Wartenbergs Sign

What is the "Wartenberg's Sign" used for?

  • Ulnar nerve motor weakness

How to perform the "Wartenberg's Sign"?

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

What is the positive result?

  • Positive if small finger drifts away from others into abduction

References