A hip fracture is a break in the upper quarter of the femur (thigh) bone. The extent of the break depends on the forces that are involved.
Hip fractures most commonly occur from a fall or from a direct blow to the side of the hip. Some medical conditions such as osteoporosis, cancer, or stress injuries can weaken the bone and make the hip more susceptible to breaking. In severe cases, it is possible for the hip to break with the patient merely standing on the leg and twisting.
Treatment of hip fractures often involves surgery to restore the normal anatomy of the hip and stabilize the hip joint. How a hip fracture is treated and the type of surgery required is based on the extent of the fracture and the amount of bones and soft tissues that have been affected.