As we celebrate Heritage day, one of the many factors which brings us as South Africans together is sport. Think back to the 2010 soccer world cup or a Saturday filled with rugby and a braai, sport is one of many components which unites us. A common finger injury which can occur from sport is the mallet finger deformity. This article will centre around the anatomy, causes, symptoms and treatment of this type of injury.

The anatomy

A finger has three joints which can be seen below in figure 1. The distal interphalangeal joint is where the mallet deformity occurs. The tendon on the back of the hand will have been injured somehow and one will not be able to make this joint straight.

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