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 ...

Danny Saltos is a NASM-certified personal trainer and health coach, specializing in strength training and cardio. With 17 years of experience, Saltos has been training clients since 2006, both in ...

Here’s why cyclists need hamstring curls in their routine, plus the best variations.

Women's Health may earn commission from the links on this page, but we only feature products we believe in. Why Trust Us? Nordic curls are a bit of a gymgoer’s party trick. As you lower the backside ...

Add Yahoo as a preferred source to see more of our stories on Google. Natalia Perez-Segnini is a NASM-certified personal trainer, a yoga instructor, a breathwork practitioner and a trauma-informed ...

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 other ...

View post: Dwayne Johnson Lost 50 Pounds but Refused to Use an Extreme Weight-Loss Diet “The reason to stretch your hamstrings is to keep your hips and lower back moving freely,” explains James Brady, ...

View post: Mongolia’s 58-Year-Old President Benched 220 Pounds 20 Times Romanian deadlifts have long been treated as a useful accessory lift. New research suggests they deserve a more prominent place ...

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 ...