Slim Down in a Splash: Pool Workout

Toning Water Exercises

How It Works
"This water workout burns tons of calories but feels like play," says Greg Moe, a master trainer for Rough-Fit outdoor fitness programs in Tustin, California, who created these insanely trimming moves (just see what they do for your abs!) exclusively for FITNESS. Simply treading water vigorously can zap 11 calories a minute, same as a six-mile-per-hour run. "Plus, water's continuous resistance forces you to engage more muscle fibers through a larger range of motion," says Moe, so you'll firm from every angle.

Perform as many reps of each exercise as you can in 30 seconds, rest, then repeat. (As you get fitter, aim for 45 to 60 seconds.) Do this workout on nonconsecutive days and emerge with a body to dive for!

What You'll Need: A beach ball (the larger the ball, the tougher the workout)

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Get video demonstrations of exercises in the Slim Down in a Splash Workout