Bengaluru knee joint · Reviewed by senior physiotherapists · Home-visit care available across South Bengaluru.
Painless clicking is usually harmless gas-bubble release inside the joint. But clicking accompanied by pain, swelling, locking, or catching often signals a meniscus tear, chondromalacia (softening cartilage), or early osteoarthritis. Get assessed if it's recent, painful, or persistent.
The most common drivers of knee clicking or popping when walking, from most to least frequent in our clinic:
Common, harmless — nitrogen gas in the joint fluid releases with movement.
A crescent-shaped cartilage tears from twisting or age — clicking, catching, and sometimes locking.
Softened cartilage under the kneecap — grinding + pain going up/down stairs.
Wear-and-tear of joint cartilage produces crepitus (crackling sound) with movement.
Kneecap does not glide smoothly in its groove — clicking on bending.
Seek immediate medical attention if you have any of these red-flag signs:
While waiting to see a professional, these evidence-based steps help most cases:
These suggestions are general education. Always confirm with a qualified physiotherapist before starting new exercises if you have pain.
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