I thought I was literally falling apart,” the actor added. According to the American Osteopathic Association, piriformis ...

A reader of this column recently wrote to me with the following question: “I’m getting physical therapy for lower back pain and sciatica that is said to be from ‘piriformis syndrome.' ...

Piriformis syndrome is a rare neuromuscular condition that causes pain and numbness in the butt and back of the legs.