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 ...

Prolonged desk work can lead to musculoskeletal problems ranging from annoying aches and pains to injuries. This month, we launched a six-part series showing you how to stretch and strengthen your ...

Oluseun Olufade, MD, is an Orthopedic Surgeon and Assistant Professor of Orthopedics at the Emory School of Medicine. Hamstring curls and Romanian deadlifts both strengthen the hamstrings, but they ...

You’ll know the feeling if you have tight hamstrings – your strides feel shorter, it seems like you’re working harder than usual and your legs feel stiff and restricted. Going faster or tackling hills ...