what is the clicking sound in my knee
Crepitus is the medical term that refers to joint noises, such as popping and cracking and creaking, particularly in the knees. Such joint noise can be quite disturbing and cause concern, especially when it shows up suddenly. In most cases, these noises are not indicative of any underlying problem.
Knee Pain and Popping. Knee pain and popping is a common problem and can be caused by a number of things. Another term commonly used for popping in the knee is crepitus, which essentially means a noisy joint, whether it be popping, clicking, cracking or snapping.