There's a big birthday happening this year, and no, it's not mine. (Although that does happen to be this Friday. Thanks for asking!) But as we bust out the candles -- and the leg warmers -- to ...

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 ...