AIM-
IDENTIFIES TIGHTNESS IN STRUCTURES SURROUNDING THE MCP JOINTS.
PATIENT POSITION-
SITTING
TECHNIQUE-
MCP JOINT IS STABILIZED IN SLIGHT EXTENSION WHILE PIP JOINT IS FLEXED.
THEN THE MCP JOINT IS FLEXED AND THE PIP JOINT IS FLEXED.
POSITIVE SIGN-
IF FLEXION IS LIMITED IN BOTH CASES (THE CAPSULE IS TIGHT) IF MORE PIP FLEXION WITH MCP FLEXION THEN INTRINSIC MUSCLES ARE TIGHT.