<unk>  is a permanent flexion contracture of the hand at the wrist, resulting in a claw-like deformity of the hand and fingers. Passive extension of fingers is restricted and painful.
Volkmann's contracture
Dupuytren's contracture
Froin's syndrome
Madelung's deformity
Morton's neuroma
Heel pad syndrome
Sprengel's deformity
Diabetic sock