Physical activity is not linked to the development of osteoarthritis of the knee

WEDNESDAY, Nov. 10, 2021 (HealthDay News) – Time spent in recreational physical activity is not associated with an increased risk of incident knee osteoarthritis, according to a study published online Nov. 3 in Arthritis and rheumatology.

Lucy S. Gates, Ph.D., University of Southampton in the UK, and colleagues evaluated the effect of physical activity on the risk of developing osteoarthritis of the knee. The analysis covered 5,065 people (over 45 years of age) from six global and community cohorts followed for five to 12 years.

The researchers found that the combined relative risk estimates were not significant for the associations between metabolic equivalents of tasks in days per week and painful radiographic osteoarthritis of the knee (risk ratio [RR], 1.02; 95% confidence interval [CI], 0.93 to 1.12), radiographic osteoarthritis of the knee (RR, 1.00; 95% CI, 0.94 to 1.07) and knee pain associated with osteoarthritis (RR, 1 , 00; 95% CI, 0.96 to 1.04). Likewise, there was no significant association for the results when analyzing the hours per week spent in physical activity. “Our results suggest that physiological whole-body energy expenditure during recreational activities and time spent in physical activity were not associated with incidents of knee osteoarthritis,” the authors write.

Several authors have disclosed financial ties to pharmaceutical companies.

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