An international study led by the University of Granada (UGR) has revealed that melatonin, known for its ability to regulate the sleep/wake cycle, can restore the composition of muscle fibers and ...

slow-twitch muscle fibers, which move more slowly but help to keep you moving longer fast-twitch muscle fibers, which help you move faster, but for shorter periods “Twitch” refers to the contraction, ...

A research team has successfully developed innovative artificial muscle fibers capable of producing and storing energy. The ...

A research team led by Senior Researcher Sangkyoo Lim from the Division of Energy & Environmental Technology at the Daegu Gyeongbuk Institute of Science & Technology (DGIST; President Kunwoo Lee) has ...

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When you picture different athletes—marathon runners, gymnasts, and Olympic weightlifters, for example—you likely categorize them instinctively by their height, size, and build. But the differences in ...

Almost one in five people lack the protein α-actinin-3 in their muscle fiber. Researchers at Karolinska Institutet in Sweden now show that more of the skeletal muscle of these individuals comprises ...

I'm a Fitness & Nutrition writer for CNET who enjoys reviewing the latest fitness gadgets, testing out activewear and sneakers, as well as debunking wellness/fitness myths. In my free time I enjoy ...

More mileage during training results in faster finish times, right? Recent research suggests that might be true for some runners—but not for everyone. Before and immediately after each training period ...