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, ...

If you're like a lot of iron warriors, muscle groups like biceps, back, and chest get all the love, leaving your legs a tad neglected. By now, you've probably seen enough memes to know that skipping ...

Use this Swiss-ball workout to build more explosive power, increase your personal bests, and—let’s face it—boost your sex appeal. Your glutes do more than just round out the back of your pants.

"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 ...

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 ...

Everyone wants a great butt. (If that weren’t true, social media never would have blessed us with the ridiculousness of the #belfie.) And everyone knows squats—which fire up your glutes, along with ...

THE LEG CURL is one of the best machines for building hamstring strength and size. If you don't have one handy, though, what's the next best option? There are two types of hamstring curl machines, and ...

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 ...

The leg curl is one of the best machines – and best methods, period – for building hamstring strength and size. There are two types of hamstring curl machines, and you're likely to find one or the ...