Matthew | Health & Fitness on Instagram: "The belief that low reps are for strength and higher reps are for muscle growth is an oversimplification that doesn’t hold up in real training. In the 5–8 rep range, you’re lifting heavier loads, which forces your body to recruit more muscle fibers—particularly the high-threshold fibers that have the greatest capacity to grow. Strength isn’t just a skill. To increase force output, your body must either recruit more muscle fibers or increase the size of t