SCOTT CAMAZINE / SCIENCE PHOTO LIBRARY SCOTT CAMAZINE / SCIENCE PHOTO LIBRARY
Color-enhanced X-ray of the hand of a 57-year-old man, showing a boxer's fracture, the common name for a fracture at the neck of any of the metacarpals (the bones which form the knuckles of the hand). A boxer's fracture occurs most commonly the fifth metacarpal, as seen here. As the name implies, it is usually caused by punching a hard object.
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