![]() Anatomical TermsĪnatomical terms allow us to describe the body and body motions more precisely. It takes great force to seriously damage the hip because of the strong, large muscles of the thighs that support and move the hip. Changes in the hip from disease or injury will significantly affect your gait and place abnormal stress on joints above and below the hip. ![]() A healthy hip can support your weight and allow you to move without pain. Weight bearing stresses on the hip during walking can be 5 times a person’s body weight. The hip joint is one of the largest joints in the body and is a major weight-bearing joint. When the cartilage is damaged, whether secondary to osteoarthritis (wear-and-tear type arthritis) or trauma, joint motion can become painful and limited. Since the cartilage is smooth and slippery, the bones move against each other easily and without pain. Synovial fluid is what allows us to flex our joints under great pressure without wear. Synovial fluid and articular cartilage are a very slippery combination-3 times more slippery than skating on ice and 4 to 10 times more slippery than a metal on plastic hip replacement. The articular cartilage is kept slick by fluid made in the synovial membrane (joint lining). Normally, a smooth cushion of shiny white hyaline (or articular) cartilage about 1/4 inch thick covers the femoral head and the acetabulum. Hip Anatomy, Function and Common Problems Anatomical Terms Anatomy of the Hip Bony Structures of the Hip The Hip Joint Hip Ligaments Muscles of the Hip Blood Vessels and Nerves of the Hip Bursae Common Problems of the Hip Surgery of the Hip Hip Anatomy, Function and Common Problems Front View of the Hip Joint Bones
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