Do Your Knees Crackle and Pop? It Might Mean Arthritis Is Coming
Knees that “pop,” “click” or “crackle” may sometimes be headed toward arthritis in the near future, a new study suggests.
It’s common for the knees to get a little noisy on occasion, and hearing a “crack” during your yoga class is probably not something to worry about, experts say.
But in the new study, middle-aged and older adults who said their knees often crackled were more likely to develop arthritis symptoms in the next year.
Of those who complained their knees were “always” noisy, 11 percent developed knee arthritis symptoms within a year. That compared with 4.5 percent of people who said their knees “never” popped or cracked.
Everyone else fell into the middle. Of people who said their knees “sometimes” or “often” made noise, roughly 8 percent developed knee arthritis symptoms in the next year.
Doctors have a term for those joint noises: crepitus.
Patients commonly complain of it, said Dr. Grace Lo, the lead researcher on the study. She’s an assistant professor at Baylor College of Medicine in Houston.
But until now, it hasn’t been clear whether crepitus can predict symptomatic knee arthritis. That means people not only have evidence of cartilage breakdown on X-rays, but also suffer symptoms from it — namely, frequent pain and stiffness.
“Our study suggests crepitus is not completely benign,” Lo said. “It’s a sign that something is going on in the knee joint.”
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SOURCE: HealthDay News