The ACTN3 gene influences your fast-twitch muscle fibers and explosive performance. Learn how your DNA affects power ...

Build strength and muscle at home with this fast 12-minute bodyweight routine. Safe, effective moves for adults 45 and up.

Charles Poliquin, legendary for his training methods and unmistakably powerful arms, wasn’t called the 'King of Biceps' for nothing. Known for pushing the boundaries of muscle growth, Poliquin ...

In Part I of Blood Flow Restriction (BFR), we reviewed the history of the technique and the evidence of its use during physical therapy and rehabilitation when ...

Muscle loss creeps in with age, quiet and stubborn. It doesn’t sting until everyday things feel heavier — the suitcase, the ...

Tsukuba, Japan—Muscle fibers, which constitute skeletal muscle, are classified into two main types: slow-twitch (Type I, red muscle) and fast-twitch (Type II, white muscle). Slow-twitch fibers are ...