Atrophy of the interosseous muscles of the hand with hyperextension of the metacarpophalangeal joints and flexion of the interphalangeal joints. ... Synonym: main en griffe. ... (05 Mar 2000) ... 
(klaw´hand) claw hand flexion and atrophy of the hand and fingers.
A deformity of the hand characterized by a bending forward of the fingers.
Type: Term Pronunciation: klaw′hand Definitions: 1. Atrophy of the interosseous muscles of the hand with hyperextension of the metacarpophalangeal joints and flexion of the interphalangeal joints; develops as a result of nerve injury either at the spinal cord or peripheral nerve level.