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 ...

Theres leg training. And then theres hamstring training. And your hamstrings are often forgotten. It happens to the best of us. You can easily go into the gym and crush a leg workout filled with ...

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 ...

Background Hamstring strain injuries (HSI) are prevalent in elite sports. Monitoring for (re-)injury prevention often includes tests such as the straight-leg-raise, reflecting the stiffness of all the ...