Crepitus (in the knees) is a fine crunching noise, usually on bending the knee from standing.


Rice crispies?

Reminiscent of crushing a packet of crispie rice breakfast cereal, in the early stages crepitus can be felt, rather than heard, by laying the palm of the hand on the kneecap and bending the knees (while standing).


Common knee symptoms

'Common things occur commonly!'

Symptoms associated with patellofemoral pain

Part 5a of a course on Patellofemoral Pain by Dr Ronald Grelsamer of Mount Sinai Hospital in New York.



Noise around the Knee. Song SJ, MD, Park CH, Liang H and Kim SJ. Clin Orthop Surg. 2018 Mar; 10(1): 1–8.

See also -


eBook - Common Knee Symptoms

Easy to read downloadable book giving simple explanations of common knee symptoms.