What’s the best way to avoid painful knee osteoarthritis, which has approximately doubled in prevalence in the US over the past 20 years and is likely to increase? In the first study to estimate the actual lifetime load on the knee from various activities, researchers have added heavy housework to the occupational risks predisposing people to osteoarthritis of the knee.
However, as in several previous studies, the new evidence reported in the International Journal of Rheumatology (”Is Lifelong Knee Joint Force from Work, Home, and Sport Related to Knee Osteoarthritis?”) seems to exonerate recreational sports from a significant impact on knee osteoarthritis. Thus it provides more evidence that “lifelong physical activity is generally safe,” conclude the authors.
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