If you’ve ever been posted up at the squat rack, wondering how heavy you can lift, there’s a simple way to figure out just how strong you really are. Enter: the one-rep max (1RM), or “the maximum ...

For decades, lifters were told there was a "magic" rep range for hypertrophy — traditionally 8–12 reps. While this range is indeed effective, modern research has shown that muscle growth can occur ...