Curious about your muscle type? This study suggests that the number of reps you can do at 80% of your maximum weight (1RM) reveals whether you have more fast-twitch or slow-twitch muscle fibers.
Curious about your muscle type? This study suggests that the number of reps you can do at 80% of your maximum weight (1RM) reveals whether you have more fast-twitch or slow-twitch muscle fibers.