Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. For strong, powerful ...

"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 ...

How many of you include hamstring exercises in your leg workouts? And bum exercises? I’ll hedge my bets a lot more of you answered yes to the latter. While neither are anterior chain muscles (i.e., ...

Jakob Roze, CSCS, is a health writer and high-end personal trainer. He is the founder and CEO of RozeFit, a high-end concierge personal training practice and online blog. Squats train all the major ...

THE HAMSTRINGS, ONE of the major muscle groups in the legs, are invaluable for the types of movements performed by high-level athletes and everyday exercisers alike. Your hamstrings are essential for ...

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Dana Santas, known as the “Mobility Maker,” is a certified strength and conditioning specialist and mind-body coach in professional sports. She is also the author of “Practical Solutions for Back Pain ...