What describes a non-traumatic fracture?

A non-traumatic fracture refers to a break in the bone that occurs without significant external force, often due to conditions that weaken the bone structure. In the case of option B, the fracture is caused by osteoporosis, a condition characterized by weakened bones leading to increased fragility. This type of fracture commonly occurs in older adults when bones become less dense and more prone to breaking, even with minimal or no trauma involved.

The other options refer to fractures that arise from external forces or injuries, such as high-impact trauma or direct blows, which are considered traumatic fractures. Since non-traumatic fractures typically happen due to internal factors rather than external injuries, option B correctly identifies the nature of a non-traumatic fracture as being associated with a medical condition rather than an external event.