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, ...

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 ...

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 ...

"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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Continue reading to learn why you need a hamstring workout and which key exercises you need to do to build strong, resilient legs.

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 ...