20 Weight-Loss Mistakes You Make In the Gym (PLUS a “Big Picture” Wrap-Up!)

#17: You Only Do One Set

Part of getting stronger is doing multiple sets (of multiple reps). If you only ever do one set, you limit how much you can stress the muscle, which limits the ‘need’ it feels to adapt and grow stronger. In almost all cases, it’s best to do at least 2 sets, and usually 3 is a better minimum.