What is PNF stretching? | Live Science

Ever wondered — what is PNF stretching? This technique is also known as proprioceptive neuromuscular facilitation and is commonly used in exercise and injury prevention. Chances are, whether you’ve heard of it or not, you’ve probably seen it before. 

But first, what does stretching do to your body (opens in new tab)? In simplest terms, stretching relaxes, strengthens, and elongates muscles to improve range of motion and reduce the likelihood of injury. Dynamic (moving) stretches are traditionally used pre-workout to prepare muscles and joints for exercise, whereas static (non-moving) ones are beneficial post-workout to aid recovery — though they can be incorporated into warm-ups, too.

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