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Could Sebastian Sawe have run faster if he didn't pronate?
That's the comment I keep seeing under his 1:59:30. Worth answering with the mechanism.
When your foot lands, the arch lowers. Your tibialis posterior tendon stretches. Your plantar fascia stretches. Your arch ligaments stretch. They store elastic energy. At push-off, everything recoils and gives that energy back. Your foot isn't a flaw. It's a system of springs.
75% of people pronate. It's how the foot is built. And when researchers tracked 927 runners for a year (Nielsen 2014), pronators didn't get hurt more than runners with "neutral" feet.
So if pronation stores and releases energy with every step, what happens when you take it away?
#running #marathon #runninginjury #physicaltherapy #pronation #runningcoach #sportsscience #endurance