Bound uphill for 20 yards, jumping one foot at a time as far as possible. Focus on a strong takeoff by keeping your core tight, head up, and shoulders back. Do eight sets of 20 yards; walk down after each for recovery.
Credit: Illustration by Jason Lee
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
Duke Lacrosse and the Fog of Scandal
How Thailand's Most Notorious Prison Became a Fight Club
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