II. Pathophysiology
- Narrowing of Ischiofemoral space between the Pelvic Bone's ischial tuberosity and the femur's lesser trochanter
- Results in compression of the quadratus femoris Muscle and the sciatic nerve
III. Symptoms
- Gradual onset of deep buttock pain
- Provoked by long stride activities (e.g. Running)
IV. Signs
- Long Stride Test abnormal
V. Differential Diagnosis
- See Posterior Hip Pain Causes
- Piriformis Syndrome (or other Deep Gluteal Syndrome)