Mechanoreceptors and nociceptive afferents are present. Branches supply the posterior portion of the joint, some branches penetrate the capsule and other branches travel along the obturator externus muscle to supply the inferior region of the joint. N. It passes through the acetabular notch with the blood vessels and supplies the lig. There are three bursae of the hip region that commonly become inflamed. A large bursa that is located between the deep surface of the iliopsoas M and the anterior aspect of the hip joint capsule.
Trochanteric bursitis occurs most frequently in overweight, middle-aged women.
Can result from trauma, overuse, or mechanical factors including tight hip flexors, external rotators, leg length discrepancy, or broad pelvic structure. These patients have deep aching lateral hip pain that may extend into buttocks or lateral knee. Pain is aggravated by activity, resisted hip abduction and external rotation, palpation, and may be worse at night. Can become inflamed with prolonged sitting and pain may radiate down sciatic nerve distribution. Sacroiliac Joint Between articular surfaces of the sacrum, which are formed by the fused segments of S1-3, and the iliac bones.