Also called snapping ?nger. This is the condition in which, when the ?ngers are straightened on unclenching the ?st, one ?nger – usually the ring or middle ?nger – remains bent. The cause is obscure. In severe cases treatment consists of opening up the sheath surrounding the tendon of the affected ?nger. When con?ned to the thumb, the condition is known as trigger thumb.... trigger finger
Also called ?nger-sucking, this is a universal and harmless habit in infancy. It is usually given up gradually during the pre-school period, but quite often persists after school age – especially if the child is tired, lonely or unhappy. In these cases the remedy is to deal with the cause. It is cruel to use threats or punishment to try to stop the habit.... thumb-sucking
(gamekeeper’s thumb) an injury to the ulnar collateral ligament of the thumb, caused by forced abduction across the metacarpophalangeal joint, at the base of the thumb. Treatment is by splintage or, in the case of severe injuries, by surgical repair of the torn ligament ends.... skier’s thumb
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