By Itself, Knee "Crunching" Sound Usually Not Trigger For Concern
December 6 , 2013
Expensive Mayo Clinic:
One among my knees makes an odd crackling sound (just like the sound you would possibly hear when scrunching plastic wrap) after I go down a flight of stairs. Nonetheless, I would not have any knee ache. Ought to I be involved?
The crunching sound out of your knee is crepitus. If you happen to would not have every other signs, no particular remedy is critical for crepitus. If you happen to develop different knee issues, nevertheless, you must see a health care provider to have your knee evaluated.
Crepitus is attributable to the rubbing of cartilage on the joint floor or different comfortable tissues across the knee throughout joint motion. When knee snapping or catching is painful, that's often a results of scar tissue, a meniscus tear or a tendon transferring over a bony prominence throughout the knee joint.
The patellofemoral joint — the place your knee cap meets your thigh bone, or femur — is usually the supply of knee crepitus. Cartilage, the graceful, elastic tissue that covers the ends of bones, usually permits the bones to glide simply within the joint. However over time, the cartilage floor might begin to lose its smoothness. The crunching you hear probably is as a result of cartilage in your knee changing into tough, so the bones can not slide as simply within the joint as they usually do.
Knee crepitus usually occurs when the knee is bent, comparable to if you find yourself squatting, going up or down stairs, or rising from a chair. By itself, crepitus usually will not be a trigger for concern. As soon as the cartilage will get tough, although, it could be in danger to start to put on down, resulting in arthritis.
To assist forestall extra knee issues, work on strengthening the muscle groups within the entrance of your thigh, referred to as the quadriceps. Strolling, biking and swimming can all be helpful for strengthening the quadriceps muscle. Quite a lot of workout routines that immediately goal the quadriceps, each with and with out weights, additionally could also be useful. When you have questions on particular workout routines or when you have different medical situations, discuss to your physician or a bodily therapist earlier than starting a brand new train program.
Robust quadriceps can take among the load off your patellofemoral joint. That makes it much less probably the cartilage within the joint will put on down. Additionally, to assist forestall additional cartilage harm and different knee accidents, keep away from overloading the joint when your knee is bent.
If you happen to begin to discover extra knee signs comparable to knee ache or fluid within the joint together with crepitus, that might sign the start of different issues. For instance osteoarthritis, a typical explanation for knee ache and extra fluid round and within the joint, can develop if the cartilage in your knee wears down.
If different knee signs do develop, it is very important have your scenario evaluated instantly. When left untreated, some knee situations together with osteoarthritis can result in growing ache, joint harm and, finally, incapacity. But when recognized and handled promptly, most knee issues could be efficiently managed.
— Michael Stuart, M.D., Orthopedic Surgical procedure, Mayo Clinic, Rochester, Minn.