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 ...

If your hamstrings feel tighter than a pair of jeans fresh from the dryer, you’re not alone. Whether you spend your days sitting at a desk, running long miles, or crushing heavy squats, tight ...

Regular exercise can help build and maintain lower-body strength while also improving joint health and overall fitness.

That makes it a useful place to train when your legs need strength work, but your confidence or stability could use a little ...

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 ...

Natalia Perez-Segnini is a NASM-certified personal trainer, a yoga instructor, a breathwork practitioner and a trauma-informed specialist. As a head coach at Tone House—a premier athletic-based ...