Using the correct size Swiss Ball is essential to getting the most out of exercises using the ball. Here are some suggestions on determining the correct size ball.
Featuring performances by Wyclef Jean, Bruce Springsteen, Jennifer Hudson, Mary J. Blige, Shakira, and Sting in New York City; Alicia Keys, Christina Aguilera, Dave Matthews, John Legend, Justin Timberlake, Stevie Wonder, and MORE!
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