Want to work your legs and butt but don't have any weights? Find a step, box, bench, or sturdy chair and learn how to do a step-up. The step-up exercise combines the mechanics of a lunge with upward ...

Step aerobics is a classic cardio workout. It has lasted for decades for a simple reason: it delivers results. The "step" is a 4-inch to 12-inch raised platform. You step up, around, and down from the ...