Think of it this way: When you jump off of something, you don't land flat on your feet or on your heels; that would hurt. Likewise, when you run you need to land on the front of your foot to better absorb impact.
Credit: Josh Humbert / Getty Images
The 2014 Adventure Issue
From Iceland's Highway 1 to Utah's Canyonlands, an epic itinerary for modern explorers.
Plus: Building a Bigger Action Hero
ON NEWSSTANDS NOW
The Interpreters We Left Behind
The Rise of Cyclocross
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