What type of fracture occurs in the proximal fifth metatarsal due to repetitive stress from axial loading or trauma?

A Jones fracture specifically refers to a fracture occurring at the base of the fifth metatarsal, particularly the area proximal to the fifth metatarsal tuberosity. This type of fracture is commonly associated with repetitive stress or trauma, such as activities that involve running or jumping. The mechanism often involves axial loading and can occur when the foot is inverted during high-impact sports. The significant point about a Jones fracture is its propensity for insufficient blood supply, which may lead to delayed healing or non-union, making it distinct from other types of fractures in the same region.

Understanding the nature of a Jones fracture helps emphasize its clinical implications and the importance of appropriate treatment and rehabilitation strategies. In contrast, an avulsion fracture involves a fragment of bone being pulled away by a tendon or ligament, while stable fractures are generally unaffected by these stresses and have a better healing prognosis. Lateral compression fractures occur due to compression forces from the side and do not specifically pertain to the repetitive stress seen in Jones fractures. Thus, a Jones fracture is the appropriate diagnosis for the scenario described.