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 ...

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, ...

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 ...

Lie on the ground with your feet resting on top of a stability ball. Your legs should be straight and hands across your chest. Next, raise your hips upward and then pull your feet and ball towards ...

Lie faceup with your calves on top of a stability ball, arms by your sides, palms up. Squeeze your glutes and raise your hips until your body forms a straight line from shoulders to heels. Bend your ...

Since they're so essential for explosive, powerful movement, hamstrings are a prime candidate for special attention. Superhero trainer Don Saladino uses a variety of techniques to help clients like ...

a) Lie with your calves on a fitness ball, arms by your sides, palms up. Squeeze your bum and raise your hips until your body’s in a straight line. b) Bend knees to roll the ball towards you until ...

Cycling is a leg workout in itself, but every athlete benefits from supplementing their riding withstrength training—not only to improve cycling performance, but to prevent muscle imbalances in the ...

"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 ...

The hamstrings are an important 2-joint muscle that acts at both the hip and knee during running. Since they are a powerful hip extensor, they play a major role in propelling the body forward with ...

Nordic curls are a bit of a gymgoer’s party trick. As you lower the backside of your body backwards toward the ground, it may look like you’re levitating from certain angles. But this move isn’t all ...