Bennett's fracture dislocation

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A fracture or fracture dislocation of the metacarpal at the base of the thumb. It is a common hand injury in boxing caused by forceful backward bending of the thumb that tears off a portion of bone. It is usually the result of poor punching technique because the thumb has its own compartment in the boxing glove and should be protected. The injury is treated by manipulation and or internal fixation followed by immobilization (e.g. in plaster-of-Paris) for about 4 weeks. If there are no complications, recovery time is about 6–8 weeks.

Subjects: Sports and Exercise Medicine.

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