We've long known that regular exercise builds muscle, strengthens the heart, and lifts our mood, but a new paper shows the ...

The flow of water within a muscle fiber may dictate how quickly muscle can contract, according to a new study. The flow of water within a muscle fiber may dictate how quickly muscle can contract, ...

Researchers engineered mice with a mutation (E3896A) in the RyR1 calcium-binding site, eliminating calcium-induced calcium release (CICR) without affecting depolarization-induced calcium release. The ...

Hydration goes beyond plain water; electrolytes like sodium and potassium are crucial for fluid absorption and cellular function. They power muscles, nerves, and aid recovery, especially during ...