The gluteus medius plays an essential function in stabilizing the pelvis. It helps manage good alignment from the hips and knees with unilateral actions which include stepping ahead, going for walks up or down stairs, and lunging. Sciatica — The sciatic nerves run within the lower back, throughout the buttocks https://www.theorthopaedicandpainpractice.com/lower-back-and-buttock-pain/