Stand on your right leg. Squat down, keeping your right knee in line with your toes, then jump and land on the ball of your foot. Repeat on the left. Do three sets of four reps on each side, with a 30-second rest between sets.
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
The Interpreters We Left Behind
The Rise of Cyclocross
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