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“A lot of work on my change-up could make me a lot more effective to like have a ball that kind of, if I pronate it right, it just dies outside to a right-handed batter.”

The majority of people have what is called overpronation, where the foot rolls inwards during the stride, but some people under pronate where the opposite is true, while others have neutral pronation.

Comparing their form, the researchers noted that the women almost uniformly landed harder in the maximalist shoes than the neutral pair and pronated more — meaning that their ankles rolled inward slightly — when they pushed off.

If anything, people whose feet pronated had fewer injuries than those with a neutral foot posture.

“There I was, with pronated feet, a rugby player, doing the Vaganova syllabus,” he said, referring to a Russian teaching system of ballet technique.