The hip is defined as the region on each side of the pelvis. The hip
bone is made up of three sections, including the following:
Ilium - The broad, flaring portion of the hip bone (the crest
of the pelvis).
Pubis - The lower, posterior part of the hip bone.
Ischium - One of the bones that helps form the hip.
Hip joint - The ball-and-socket joint that allows motion and
provides stability needed to bear body weight.
The socket area, which is inside the pelvis, is called the
acetabulum. The ball part of this joint is the top of the leg bone. It
joins with the acetabulum to form the hip joint.
The hip is one of the most stable joints in the body. But, its
function, bearing the body's weight, makes it susceptible to arthritis
due to excessive pressure. Pain in the hip may involve injury to
muscles, tendons, or bursae (small fluid-filled sacs that cushion and