Bennet's and Reversed Bennet's Fractures

Fig. 8. Bennett's and reversed Bennett's fractures. These similar injuries are carpometacarpal joint fracture dislocations. In the thumb (Bennett's), the abductor pollicis longus acts as a distracting force, producing subluxation and proximal migration. In the small finger (reversed Bennett's), the extensor carpi ulnaris acts in the same fashion.

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