Warmer temperatures and brighter days may be calling your name, motivating you to get outside for a walk or run. But tread carefully—it’s been a long winter, and your bones might not be ready for the impact of daily runs on concrete just yet. Along with rejuvenation, spring is the season of stress fractures. Stress fractures are small breaks or cracks caused by repeated impact on a bone that’s getting weak from too much use (or not enough). Feet and legs are particularly vulnerable, especially if you’ve been sitting on your sofa through the winter. Pain, swelling, and bruising are the symptoms, so if you notice any of these, it’s good to stop what you’re doing and get some rest. Ice and rest are how to handle these common injuries. When your body is inactive, it gets weaker. That’s why injuries are so common this time of year, particularly in …