Whether and how long to stretch before rigorous exercise is a persistent question in many sports. A new study of nearly 3,000 runners, presented this week at the annual meeting of the American Academy of Orthopaedic Surgeons, suggests that it essentially doesn’t matter. Researchers found that runners who stretched and did not stretch had similar associated risks of injury during subsequent exercise. Perhaps surprisingly, the study found that changing one’s approach was more closely associated with injury. Learn more about the new findings at To Stretch or Not.