Your muscles do far more than just move your body - they're sophisticated chemical messengers orchestrating health benefits throughout your entire system. A comprehensive new review reveals how ...

Exercising ranks at the top of many New Year’s resolution lists. While sweating it out, one may wonder what happens inside the body during exercise. According to Keith Baar, a molecular exercise ...

If your fitness goal is to up the ante on endurance, pack more power into your sprint, or supercharge your strength gains in the gym, it’s worth exploring – what are the different muscle fiber types?

There are over 600 muscles in your body. They make up over 40 percent of your weight and function in several different capacities. Several thousand small fibers make up every muscle. They aid in ...

Muscle contraction is the tightening, shortening, or lengthening of muscles when you do some activity. It can happen when you hold or pick up something, or when you stretch or exercise with weights.

The authors do not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and have disclosed no relevant affiliations beyond their ...

Almost all cells regulate their biological processes over a 24-hour period, otherwise called a cell's circadian rhythm. To do so, cells use a biological clock that cycles different genes on and off ...