," says Kastor.6. Then cool down after runningCooling down, while less critical than warming up, allows your body to gradually adjust from running to a resting state. "Just a few minutes of walking is all you need to let your heart rate return to normal
to let your heart rate return to normal and for your body to clear out any metabolic waste created during your efforts," says Kastor.7. Don't worry if you ache a littleIf you ease into running, your post-run discomfort shouldn't be debilitating
