2/24/172/24/17 Even if you exercise regularly, you’ve felt it: the aching, can’t-sit-down-or-lift-my-arm muscle soreness the next day after a workout. That pain you feel a day or two after an intense workout is known as DOMS, or delayed onset muscle soreness, and is caused by muscle microtearing, which helps build muscle fiber and make them stronger. As easy as it may be to use muscle soreness as a reason to skip your next-day workout (guilty as charged!), DOMS is rarely a good excuse to bypass the gym. Here’s what you should be doing instead. Don’t premedicate. “Don’t mask what your body is telling you,” says Crunch trainer Tim Rich. He advises clients to not take painkillers before a workout so[…]