Reps at 80% of 1RM Might Predict Your Muscle Fiber Type
Key points: A new study tested if the number of reps participants could complete at 80% of 1RM in the squat correlated with their muscle fiber type ratio. There was a small, inverse correlation (r=-0.38) between the number of reps participants could do and their percentage of fast-twitch fibers. The mean percentage of fast-twitch fibers … Read more