Fast-Twitch Muscle Fibers Explained: The Powerhouses of Explosive Movements
You’re standing at the edge of the track, heart pounding. The starter pistol fires, and you explode into a sprint. That split-second surge of energy? That’s your fast-twitch muscle fibers kicking in—powerful, rapid, and designed for short, intense bursts. Whether you’re flipping a tire, throwing a knockout punch, or catching the bus just in time,…