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 ...

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 ...

Stretching at the end of your workout can help boost your flexibility, reduce the risk of injury, and decrease muscle tension in your body. It can even help improve your performance the next time you ...