Another way to avoid burning out is to use proper leaf-raking posture. That nifty full-size rake, for example, should let you keep your back straight. In addition, move your feet instead of bending over, and walk to the leaves with lots of little steps instead of leaning over and dragging them toward you, says Cook. As you move around the yard, switch which side of the body you lead with, so you work both sides—like you would with a gym exercise. And as always, lift piles of leaves with your knees, not your back.