Colles fracture involves which bone?

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Multiple Choice

Colles fracture involves which bone?

Explanation:
A Colles fracture is a distal radius fracture. It typically results from a fall on an outstretched hand, causing the distal fragment of the radius to tilt dorsally and produce the classic dinner fork deformity. Because the injury centers on the distal end of the radius at the wrist, the radius is the bone involved. The ulna is a separate forearm bone and, while forearm injuries can involve both bones, this specific pattern is described at the distal radius. The humerus and femur are not involved in this wrist fracture.

A Colles fracture is a distal radius fracture. It typically results from a fall on an outstretched hand, causing the distal fragment of the radius to tilt dorsally and produce the classic dinner fork deformity. Because the injury centers on the distal end of the radius at the wrist, the radius is the bone involved. The ulna is a separate forearm bone and, while forearm injuries can involve both bones, this specific pattern is described at the distal radius. The humerus and femur are not involved in this wrist fracture.

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