Abstract
The mallet finger injury is frequently seen in general practice. The injury consists of an avulsion of the extensor tendon of a finger from its insertion, frequently with a fragment of bone, into the base of the distal phalanx. The extensor tendon of the finger divides over the back of the proximal phalanx into a central portion inserting in the base of the middle phalanx and two lateral slips that fuse together and insert on the base of the distal phalanx. When this latter insertion is torn, retraction takes place. Any principle of treatment for this condition must include this factor, and in treating the condition the raw area at the base of the distal phalanx must be opposed to the retracted extensor tendon. This is possible only if the distal interphalangeal joint is hyperextended while the proximal interphalangeal joint is kept at approximately 60 degrees of flexion. The difficulty
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