“A blessing and a curse” is how Harry Aikines-Aryeetey describes the genetic quirk that means his body carries more muscle ...

Emma Maria Mazzenga is an elite sprinter, and at 92, has few competitors. Photo: Claudia Gori/For The Washington Post Emma Maria Mazzenga likes to win. She once dislocated her shoulder during a race ...

If your core workouts are feeling stale, add some variety to your training sessions by introducing the sprinter bridge, which ...

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, ...