9 Fitness Rules You Should Break

You often see this in instructions for upper-body moves like bench presses and lat pulldowns. Why? Because it gives you a stable starting point. But that doesn’t mean you need to stay there set after set. “Spreading your hands a few inches farther out stresses more of the inner portion of your biceps; bringing your hands in a few inches builds more of the outer part,” says New York City personal trainer Steve Lischin, M.S. Switch up your position after every set for balanced strength and overall tone.