Remember when it was de rigueur to stretch before running and over-hydrate before heading out the door? As technology advances and researchers discover more about the human body in motion, long-held fitness beliefs are crumpling. Currently before the firing squad: heart rate, aging, fueling and footwear rules that have likely been ingrained in your psyche.
Don't get caught on the wrong side of science. Presenting 10 running-related tenets that researchers and expert coaches have recently debunked.