- used to determine if PIP Joint capsule & extensor mechanism are working normally;
- if functioning normally, blocking MP joint hyperextension allows IP joint extension;
- Diff Dx of Positive Test:
- attentuation of central slip
- adherent central slip at the PIP Joint;
- volar subluxation of lateral bands
Original Text by Clifford R. Wheeless, III, MD.
Last updated by Data Trace Staff on Tuesday, June 2, 2015 7:09 am