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 ...

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 ...

The hamstrings are the large muscles located at the back of your legs, behind the thighs. They are recruited in almost all of our daily activities from walking to bending down to standing up from the ...

Ah, hamstrings: the middle child of muscle groups. While they might not be the sexiest parts of our bodies, strong hamstrings play a vital role in our overall strength and stability. To learn more ...

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 ...

Your hamstrings might not be the most visible muscles, but they’re among the most important for overall fitness and injury prevention. These powerful muscles at the back of your thighs play a critical ...

If you want to maximize the impact of exercises for your quadriceps and hamstrings, there’s one thing you really need to do (even if you don’t want to): stretch. Post-workout static stretches help to ...

Like most fitness activities, stretching requires a certain amount of discipline and willpower. It's not an activity that happens by accident, so an intentional effort must be made to create an ...