Head to any step aerobics class and you may feel like the instructor is speaking another language. Don’t worry, we’ve all been there. But the good news is that most of the basic aerobic dance steps ...

Box jumps (yes, jumping onto a box) are a proven way to boost clubhead speed. Rory McIlroy’s great at them, and look at what he can do to a ball. The traditional box jump—onto a platform set directly ...