BACKGROUND: Besides pharmacological treatment, regular exercise is one of the cornerstones of care in rheumatoid arthritis (RA). In many of the earlier studies of exercise in RA, the intensity of the exercise did not reach the current recommendations or is not described in satisfactory detail. This narrative review is based on randomised controlled trials with a detailed description of the exercise type, frequency, duration and intensity. RESULTS: There is moderate-quality evidence that short-term land-based aerobic exercise of moderate to high intensity augments oxygen uptake but does not improve muscle strength. Short-term water-based aerobic exercise of moderate to high intensity augments oxygen uptake; short term land-based aerobic and muscle strengthening exercise of moderate to high intensity augments oxygen uptake and muscle strength. Long-term land-based aerobic and muscle strengthening exercise of moderate to high intensity reduces activity limitations and improves both oxygen uptake and muscle strength. CONCLUSIONS: Clinicians should recommend that patients with RA participate in various types of exercise.
Reproduced with permission from the BMJ Publishing Group.

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