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 ...

It pays to pay attention to your hamstrings. Just ask celebrity trainer Ashley Borden. The Los Angeles–based creator of her namesake fitness app, whose clients have included Christina Aguilera, ...

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 ...

Hamstring exercises include the deadlift, hamstring curl, Bulgarian split squat. To avoid injury, warm up your hamstrings before working out with mobility exercises like toe touches. Recovery is key ...

There are so many exercises you can use a stability ball for, especially when it comes to targeting your core. Why? Because this fitness tool, otherwise known as an exercise or Swiss ball, challenges ...

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 ...

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 ...

"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 ...

Oluseun Olufade, MD, is an Orthopedic Surgeon and Assistant Professor of Orthopedics at the Emory School of Medicine. Hamstring curls and Romanian deadlifts both strengthen the hamstrings, but they ...