orthopedic surgery orthopedic surgery

Doctors think the chronic pain of "shoulder impingement" may arise from age-related tendon and muscle degeneration, or from a bone spur that can rub against a tendon. Michele Constantini/PhotoAlto/Getty Images hide caption

toggle caption
Michele Constantini/PhotoAlto/Getty Images

Popular Surgery To Ease Chronic Shoulder Pain Called Into Question

  • Download
  • <iframe src="https://www.npr.org/player/embed/565406503/565599420" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

How much is that hip implant in the X-ray? Only the hospital administrator and the company that made it know for sure. iStockphoto hide caption

toggle caption
iStockphoto