You might have heard claims like “lift fast, grow fast” — that accelerating your reps (or pushing explosively) triggers more muscle growth. There’s some truth to that — but it depends how you apply it. Here’s what current evidence suggests, and how to use speed or explosive lifts wisely.
Recruiting fast‑twitch fibers: Explosive intent (trying to lift as fast as possible) helps recruit more of your high‑force, fast‑twitch (Type II) muscle fibers — the kind with more potential for size and power.
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