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.
Illustration by Jason Lee
Mark Ruffalo's Good Life Formula
How Hollywood's greenest star found peace.
Plus: The New Whiskey Masters
ON NEWSSTANDS NOW
Sign up to receive the Men’s Journal newsletter and special offers from MJ and its marketing partners.