Healthy Bones, Joints & Muscles

What does it mean if my joints pop?

A Answers (1)

  • AScott Martin, MD, Orthopedic Surgery, answered
    If there's no pain or swelling when your joints click, snap or pop, the noises are not usually a sign of trouble. You may hear a tendon moving across a joint. Or you may have momentarily (and harmlessly) broken the seal of synovial fluid that fills the joint capsule. The sound could also be the release of nitrogen gas from a joint moved slightly out of position (like a cracking knuckle). It's a different story, however, if the noise occurs at the moment of injury, or if pain or swelling accompanies it; in that case, there may be joint damage that needs medical attention. In addition, a grating sound, called crepitus, may be a sign of arthritis.
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