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You don't need sit-ups — 3 ab exercises that build a stronger core using a Swiss ball
Anyone attempting to balance on a big inflatable bouncy rubber ball for any length of time can attest to this, and we’ve thrown three of the best ab exercises into the mix to spice things up ...
WebMD11y
Desk Exercises: Ball
Make sure you do the same amount on the other side And now I am going to demonstrate some exercises for your lower body. What you are going to do is take the ball. And you are going to place it ...