I'll be the first to admit that I used to skip any sort of pre-workout stretch. But it turns out, I was seriously missing out. Dynamic stretching before a sweat sesh is key for optimizing performance, ...

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. Flexibility is an ...

You laced up your sneakers (or put on barre socks), had your pre-workout snack and are ready to dive headfirst into your workout. We admire your motivation. However, experts stress it’s vital to ...

Editor’s note: Before beginning any new exercise program, consult your doctor. Stop immediately if you experience pain. As you head into the gym, you likely already have a workout plan in mind. Maybe ...

A new wave of research is showing what the old gym myths about stretching got wrong—and what you really need to do to reap its benefits. Some fitness experts recommend stretching before a workout, ...

Flexibility is an underrated aspect of fitness, especially since we tend to lose some of our mobility as we get older—how ...