Knee osteoarthritis only increased in people in the lowest lower-limb muscle mass quartile<\/p>\n<\/h3>\n
By Emily Shafer HealthDay Reporter<\/b><\/p>\n
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WEDNESDAY, May 1, 2024 (HealthDay News) —\u00a0Weight-bearing activity appears tied to incident knee osteoarthritis (OA) in people who have low levels of lower-limb muscle mass, according to a study published online April 30 in JAMA Network Open<\/em>.<\/p>\n Yahong Wu, M.D., of the University Medical Center Rotterdam in the Netherlands, and colleagues conducted a prospective cohort study using data from the Rotterdam Study. They included participants who had knee X-ray measurements at baseline and follow-up examinations. They evaluated the incidence of knee OA by knee X-ray and the incidence of symptomatic knee OA defined by X-ray and knee pain questionnaire. Different types of physical activity and their associations with radiographic knee OA were analyzed. The study included 5,003 individuals.<\/p>\n The researchers found that the knee OA incident rate was 8.4 percent with a mean follow-up time of 6.33 years. They also found that higher weight-bearing activity was linked to increased odds of knee OA, but non-weight-bearing activity was not. Furthermore, the association of weight-bearing activity with incident knee OA was only seen among patients in the lowest lower-limb muscle mass index tertile and not the middle or high tertiles.<\/p>\n “Although we did not find an association of recreational physical activity with symptomatic knee osteoarthritis, we did find that weight-bearing activity could contribute to increased odds of radiographic knee osteoarthritis, but only among those with low lower-limb muscle mass index,” the authors write. “Although physical activity is known to have numerous health benefits, our study suggests that caution is needed when engaging in weight-bearing activity.”<\/p>\n