Stress Fracture 🦴 A stress fracture is an incomplete hairline fracture caused by repetitive stress and overuse rather than a single traumatic event. It commonly occurs in weight-bearing bones such as the tibia, metatarsals, and femoral neck, especially in athletes and physically active individuals. Key features include gradual onset pain, pain that increases with activity, and little to no history of trauma. Initial X-ray may appear normal, while MRI is the most sensitive investigation as it de