Sciatica—a radiating pain along the longest nerve in the body—is a health hurdle that many face, yet few fully understand.

Medically reviewed by Theresa Marko, PT, DPT, MS Physical therapy (PT) can help relieve sciatica pain by reducing nerve ...

Behind-the-knee pain could be due to muscle strain or arthritis—or something far more serious. Orthopedic experts say these are the most common causes.