Piriformis Muscle: Low Back, Hip, Buttock, Pelvic, Thigh Pain
The piriformis muscle contributes to pain in the low back, buttocks, hip, and hip joint, pelvic area, and pain down the back of the thigh.
sacral nerve compression
Gluteus Minimus Muscle: Buttocks, Hip, Thigh, Knee, Calf, Ankle Pain
The gluteus minimus muscle can contribute to pain in the buttocks, hip, thigh, calf and ankle. Glute minimus dysfunction makes it difficult to cross legs.