It’s not unusual for your body to make “popping” or “cracking” sounds as you lean over, twist or reach for something. Fortunately, it’s also usually not a cause for worry.
Dr. Aman Dhawan, an orthopedic sports medicine specialist at Penn State Health Milton S. Hershey Medical Center, said complaints about such joint sounds are common, but usually nothing to be concerned about.
Dhawan said snaps, crackles and pops can be produced by a number of things. Soft tissues such as tendons and ligaments may rub or snap over other tissues or bones.
“Our joints are mobile, so there are a lot of things that slide over or run past each other,” he said. “When they move, there is the potential for anatomy to intersect.”
Pockets of nitrogen gas can develop within the fluid medium that helps lubricate joints and provides nutrition to cartilage, and that can cause popping sounds as well.
“It’s not known if it is the creation or the popping of the bubbles that makes the sounds, though,” he said.
Dr. Robert Gallo, also an orthopedic sports medicine specialist at Hershey Medical Center, said the only time people need to get concerned about noisy joints is if the sounds are accompanied by swelling or pain.
Contrary to popular belief, both doctors say there is no association between joint sounds and arthritis.
Dhawan said that although joints can become noisier as cartilage gets thinner and with age, the sounds typically don’t indicate a wearing down of cartilage or rubbing of bone.
“Joint sounds are not really an indicator of health or lack of health,” he said.
Despite what you may have been told, cracking your joints isn’t going to cause them to swell up or become arthritic.
“It may be irritating to the listener, but that’s a separate issue,” Dhawan said. “There is really no evidence that it causes any damage.”
Gallo said some patients like to use chondroitin and glucosamine supplements, or injections, to help lubricate joints. While there is little evidence to prove that such measures help, “there is little downside other than cost,” he said. “They are relatively safe as far as we know.”
Stretching tendons and ligaments and strengthening the muscles around the joints can help keep joints — especially the knee cap, which rides in a pretty shallow groove — centered in place.
(Courtesy of Penn State Health Milton S. Hershey Medical Center. A Wellness Update is a magazine devoted to up-to-the minute information on health issues from physicians, major hospitals and clinics, universities and health care agencies across the U.S. Online at www.awellnessupdate.com.)
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