Brad Marek stretches at the 2021 PGA Championship. As much as we talk about golf being largely a mental game, it is obvious that your body plays the biggest role in the actual playing of the sport.

To improve flexibility and mobility, athletes and active individuals often rely on several forms of stretching. These involve lengthening or flexing a muscle or tendon to promote enhanced elasticity.

When talking specifics, stretching terminology can get confusing. “Passive” and “static” generally refer to the same old-school method of relaxing into a stretch and holding it for 30 to 60 seconds.

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 ...