Hip Anatomy – Learn The Framework!
Weight Bearing Joint
The hip joint is a ball and socket joint, the main function of which is weight bearing. The femoral ball sliding against the acetabular socket allows the body to perform all movements without any discomfort. The hip joint function is supported by several anatomical structures such as bones, cartilage, muscles, ligaments, and tendons. Hip joint anatomy is unique in itself. According to the hip bone anatomy, the hip joint has two components. The acetabulum, a pelvic component is a cup-shaped depression on either side. The shape allows movements in all planes. The other component is femur, the longest bone. the femoral head fits into and moves against the acetabular surface. The femoral head and the acetabulum together forms ball and socket joint.
Supports Of Hip Joint
The articular cartilage is an important support structure for the hip joint. Located within the acetabulum, it provides a friction-less and even surface for the movement of hip joint. Without the articular cartilage, the movements might not have been possible in all planes. It also serves as shock absorber during the activities of the hip joint and weight bearing.
The various ligaments in the hip joint connect femur to the pelvis. They have an indispensable role in providing stability. These ligaments prevent the hip moving outside the possible planes of movements. Muscles play an important part in stabilizing the lower extremities during weight bearing and locomotion. They are powerhouses for the hip in locomotion activities. The muscles are involved when the limbs are raised or lowered.
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