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, otherwise known as PNF stretching, is an advanced form of flexibility training. What makes it unique is that it involves both the stretching and contracting ...

Join the Virtual 6 Challenge and complete 6 miles in 6 days , whether you run, jog, hike, bike, paddle or swim, in any location you choose. March 24-29, 2026 ...

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 ...