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 ...

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 ...

A CSCS trainer shares 5 standing hamstring exercises after 60 to rebuild leg strength using dumbbells, kettlebells, and bands ...

You may think having flexible hamstrings is a badge of honor for outdoor athletes. And while you’re not exactly wrong, not everyone needs to have Cirque du Soleil-level stretching abilities to succeed ...

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 ...