At one time, even moderate exercise was thought to be a bad thing for a person with arthritis. Exercise, it was believed, would cause joint damage. But this idea is being replaced by encouragement to moderate exercise.
Stiffness and pain from arthritis diminish when a moderate exercise regimen is practiced on a regular basis. Muscles are strengthened which benefits the joints. Moderate exercise can make a patient with arthritis more flexible. It can increase their physical endurance.
Research from Duke University Medical Center supports the idea that moderate exercise can reduce stiffness and pain from arthritis.
Findings were reported in a Sept. 30, 2011 article on Enn.com. They were published on Sept. 27, 2011 in the online journal Arthritis and Rheumatism.
Researchers studied male mice, some of whom were put through workouts on running wheels and some of whom were not.
https://www.empowher.com/arthritis/content/arthritis-may-respond-moderate-exercise