The 19 studies in the review all tested different type, frequency and duration of exercise, so the best sort of exercise, how much and how often to do it, remains to be determined, she says.
It would appear that a 12-week program with exercises generally including strengthening and range of motion three times per week is beneficial, Bennell told Reuters Health by email.
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“Based on the overall body of work in physical activity, though, any regular physical activity is likely to be beneficial to most patients,” Nelson says. “It is safe to say that most adults do not get enough physical activity, and that this is even more of an issue among those with osteoarthritis.”