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 ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Nordic curls are a bit of a gymgoer’s party trick. As you lower the backside of your body backwards ...

Don't just walk by your stability ball! It's one of the best fitness tools you can own, so put yours to good use with these incredibly effective moves. Get ready to target your arms, abs, butt, and ...

Lie on the ground with your feet resting on top of a stability ball. Your legs should be straight and hands across your chest. This is the starting position. Next, raise your hips and one leg upward ...

Too often people think about core workouts as a means to six- or eight-pack abs. But there are other, far more important, reasons to strengthen your core. A strong core will improve your overall ...

Start in a supine position with your heels resting on a Swiss ball. Bend at the knees and raise your hips as you bring the ball closer to you. Return to the starting position without letting your hips ...

First things first: an exercise ball = physio ball = stability ball = fitness ball. Got that? Good. "A stability ball is a great way to amp up exercises for the entire body: upper, lower, and core." ...