Warming up can minimize the risk of injury before physical activity. “It prepares the muscles to absorb the force of impact,” says Lynn Millar, a physical therapist and exercise expert. “Your chances of twisting something like an ankle are reduced if your body is warmed up and ready for activity.” You can also damage a joint during a repetitive activity like running if the joint isn’t properly aligned, says Millar.
While you can’t always avoid trauma to the joints, “you can make sure your joints are properly rehabilitated after an injury,” says Millar. “Otherwise, the problem may worsen and arthritis will become more likely.”
(Source: Nutrition Action Health Letter, June 2003, Volume 30/Number 5.)