Summary: Knees, elbows and other joints can sometimes make popping noises. Is it something to worry about? Orthopedic surgeon <a href="https://healthcare.utah.edu/fad/mddetail.php?physicianID=u0029725">Dr. Patrick Greis</a>, says, generally, no. However, a popping noise associated with pain could indicate a problem. Find out how a physician might diagnose a popping knee.
