Hip
Hip
Hip (/hɪp/), also known as the coxal joint or the pelvic joint, is a complex ball and socket joint that connects the pelvis to the femur, the longest bone in the body. The hip joint is responsible for supporting the body's weight during both movement and rest, and plays a crucial role in maintaining balance.
Etymology
The term "hip" comes from the Old English word "hype", which has the same meaning. The medical term "coxal" is derived from the Latin word "coxa", meaning "hip" or "hip joint".
Anatomy of the Hip
The hip joint is made up of two main parts: the acetabulum, a deep, cup-shaped socket in the pelvis, and the femoral head, a ball at the top of the femur. These two parts fit together to form a stable, mobile joint. The joint is surrounded by muscles, ligaments, and tendons that provide additional stability and allow for a wide range of motion.
Acetabulum
The acetabulum is a deep, cup-shaped socket in the pelvis that houses the femoral head. It is formed by the fusion of three pelvic bones: the ilium, ischium, and pubis.
Femoral Head
The femoral head is the ball at the top of the femur that fits into the acetabulum to form the hip joint. It is covered with a layer of smooth cartilage that helps to reduce friction during movement.
Related Terms
- Pelvis: The large, bony structure near the base of the spine to which the hip joints are attached.
- Femur: The longest bone in the body, which connects the hip to the knee.
- Acetabulum: The deep, cup-shaped socket in the pelvis that houses the femoral head.
- Femoral head: The ball at the top of the femur that fits into the acetabulum to form the hip joint.
External links
- Medical encyclopedia article on Hip
- Wikipedia's article - Hip
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