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.

Proprioceptive neuromuscular facilitation (PNF) is a form of assisted stretching. It combines passive stretching with muscle contraction. First, your partner applies force to stretch your muscle ...

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. We stretch for lots of ...

Stretching offers a range of benefits, from increased flexibility to improved blood flow. Just be sure to start slowly and listen to your body to avoid injury. There are many benefits to regular ...