Feeling sore after a workout is known as delayed onset muscle soreness (DOMS). Sore muscles after exercise are a result of muscle breakdown during a workout, particularly on the eccentric portion or ...

Sore arms and biceps after a challenging upper-body workout are normal maybe even to be expected, since sore muscles are part of the natural muscle-repair process that ultimately makes you stronger.

You might have seen people chugging energy drinks at the gym or sipping lattes at SoulCycle - there is some evidence that caffeine can boost your athletic performance. However, this new study suggests ...