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 ...

In a recent study published in the journal Cell Metabolism, scientists examined the physiological responses to exercise. They reviewed the adaptations that occur in tissues due to chronic exercise and ...

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 ...

Muscles, particularly skeletal muscles, play an essential role in the motor function and homeostasis of the whole body. The muscle mass enlarges and shrinks depending on environmental factors, such as ...

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?

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.

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 ...