Adrenaline increases the "alertness" of the nervous system, meaning it's ready to trigger muscle contraction. It also increases the amount of blood flow and changes the tension of the muscles, which, ...

Magnesium is everywhere in fitness supplements, but not all forms work the same. Here’s how to choose the right type for ...

Infectious agents can cause muscle twitching and spasms, too. The most commonly known is probably tetanus, which causes a phenomenon called lockjaw, where the neck and jaw muscles contract to the ...

Dietitians say that a simple banana 30 to 60 minutes before exercise can make a big difference in energy, endurance, and ...

While you might think coffee energy and sodas drinks keep you hydrated they often do the opposite An expert shares six foods ...

If you're aiming to build muscles, your diet should have high-protein foods. They supply essential amino acids that are ...