Some muscle soreness after exercise is common & completely normal, especially if your exercise was intense or something new for you.  This after exercise muscle soreness in called Delayed Onset Muscle Soreness or DOMS. This temporary muscle soreness is because intense exercise causes small amounts of damage to the muscle, which actually encourages new muscle development. Your soreness should only last 24 to 48 hours after resting from exercise. On occasion, it can even last … Continue reading How long should my muscles hurt after exercise?