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Looking for a free way to burn calories and get a beach body for summer from the comfort of your own home? Look no further! I have 15 AWESOME (and free!) Jillian Michael's workout videos you can watch RIGHT HERE.
Single-leg squat: Workouts: Self.com:Chances are, you've used a stability ball before. This workout bumps up the degree of difficulty. "Because you constantly have to fight to stay steady, using the ball forces you to rely on more muscles throughout each move," says trainer Jeff Rochford, who created this workout. It's a little harder, but we know you can do it!