Hips
The hip is a ball-and-socket joint that serves as the connection point between the pelvic bones (ilium, pubis, and ischium) and the femur or thigh bone in the human body. Medically, it's considered one of the most crucial structures for bearing weight and allowing for a wide range of motion, including bending and stretching, which is essential for daily activities like walking, running, and standing. The joint is formed where the rounded head of the femur (ball) fits into the acetabulum (socket), a cup-shaped hollow in the pelvis. This design provides the stability and flexibility needed for movement while also supporting the upper body's weight.
The hip joint is surrounded by a complex system of muscles, tendons, ligaments, and cartilage, which work together to provide support and stability while allowing for smooth movements. The joint's stability is further enhanced by a fibrocartilaginous lining called the labrum, which deepens the socket and helps secure the femoral head. Medical issues related to the hips may include arthritis, trauma from falls or accidents resulting in fractures or dislocations, congenital conditions such as developmental dysplasia, and overuse injuries. Management of hip problems can range from conservative treatment, such as physical therapy and medication, to surgical interventions like total hip replacement.