Boxer's Fracture Overview
A boxer's fracture is a break through the bones of the hand that form the knuckles. Some doctors use the term "brawler's fracture" rather than "boxer's fracture" because a boxer is not likely to get this injury. The less well-trained brawlers have to learn how to punch without hurting themselves.
The metacarpal bones in the hand connect the bones in the finger to the bones in the wrist. There are five metacarpal bones, one to connect each finger to the wrist. All of the metacarpal bones have the same anatomic structure. Each consists of the base, the shaft, the neck, and the head.
Boxer's fractures occur in the metacarpal bones that connect the ring finger or the little finger to the wrist. These are known as the fourth and fifth metacarpal bones. Some doctors include breaks in the neck of the second and third metacarpal bones in the definition of a boxer's fracture. The second metacarpal bone connects the index finger to the wrist, and the third metacarpal connects the middle finger to the wrist.
Medically Reviewed by a Doctor on 11/30/2015
Manuel Hernandez, MD
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