Add Yahoo as a preferred source to see more of our stories on Google. Now, before you go grabbing that pump, you’re going to want to make sure you have the right ball size on hand. To do that, all you ...

You deserve a better ab workout than crunches. Strength training can help you build an athletic core. Equipment like a slam ball or medicine balls provides a more dynamic workout for gains. Stability ...

Spoonts, a personal trainer from Addison, demonstrates the 8-pound med-ball crunch, adding a degree of difficulty by using a stability ball, too. ( Lara Solt - Staff Photographer ) A stability ball ...

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