The piriformis is one of the tiny and often overlooked muscles that can contribute to back pain. Lower back tension can arise from tightness in this muscle.

The muscle extends to each side of your body and is used in almost every movement of the lower body. The sciatic nerve, which is the longest nerve in a person's body, runs underneath the piriformis.

According to the Cleveland Clinic, piriformis syndrome causes pain or numbness in a person’s butt, hip or leg. The pain typically occurs when the body’s piriformis muscle presses on the ...

The piriformis muscle, situated in the buttocks, starts at the lower spine and connects to the upper surface of each femur (thighbone) diagonally. The sciatic nerve, the longest nerve in the body ...

Andie MacDowell Reveals Piriformis Syndrome Diagnosis: 'I Thought I Was Going to Have to Have Hip Replacement' "It's a muscle that kind of clamps down on my sciatic nerve, and it was shooting down ...

The piriformis muscle is in the buttocks and it can cause pressure on the sciatic nerve as it comes through from the lower back heading down into the legs.

Andie MacDowell revealed she was recently diagnosed with Piriformis syndrome. However, with her “miracle” treatment, the actress has been able to make a remarkable recovery. “It’s a muscle ...

The piriformis is a small muscle located deep in the hip joint. Its main role is to rotate the hip and move the leg away from the body (abduction). Lucky people probably haven't heard of this tiny ...

Piriformis syndrome is a neuromuscular condition that happens when the piriformis muscle in the butt, which is flat and pear-shaped, pushes against the sciatic nerve, according to the Genetic and ...

"I have piriformis syndrome, so it's a muscle that kind of clamps down on my sciatic nerve, and it was shooting down my leg," MacDowell told Barrymore, 49.