claw hand

hand (hand) the distal part of the upper limb, consisting of the carpus, metacarpus, and fingers.

---

ape hand  one with the thumb permanently extended.

claw hand  see clawhand.

cleft hand  a malformation in which the division between the fingers extends into the metacarpus; often with just two large digits, one on either side of the cleft.

Cleft hand.

club hand  see clubhand.

drop hand  wristdrop.

lobster-claw hand  cleft h.

mitten hand  a hand in which several fingers are fused together and have a common nail.

writing hand  in paralysis agitans, assumption of the position by which a pen is commonly held.

---

Claw Hand

The hand deformity characterised by flexion and atrophy, which may follow the claw foot deformity of Charcot-Marie-Tooth disease, in which the atrophy is usually confined to the distal arm; clawhand deformity may also occur in Dejerine-Sottas’ hypertrophic polyneuropathy, leprosy, and Refsum’s disease; a similar ‘stiff hand’ occurs in mucopolysaccharidosis, type I-S

---

hand [hand]

the terminal part of the upper limb of a human or a nonhuman primate.

ape hand one with the thumb permanently extended.

cleft hand a malformation in which the division between the fingers extends into the metacarpus; also, a hand with the middle digits absent.

claw hand see clawhand.

drop hand wristdrop.

lobster-claw hand cleft hand.

obstetrician's hand the contraction of the hand in tetany; the hand is flexed at the wrist, the fingers are flexed at the metacarpophalangeal joints but extended at the interphalangeal joints, and the thumb is strongly flexed into the palm.

writing hand in Parkinson's disease, assumption of the position by which a pen is commonly held.

---

claw hand

Main en griffe The hand deformity characterized by flexion and atrophy, which may follow the claw foot deformity of Charcot-Marie-Tooth disease, where the atrophy is usually confined to the distal arm; clawhand deformity may also occur in Dejerine-Sottas' hypertrophic polyneuropathy, leprosy, and Refsum's disease; a similar 'stiff hand' occurs in mucopolysaccharidosis, type I-S. Cf Lobster claw deformity.