Gym owners like weight machines because they're easy for their clientele to use – the problem is they work only a single muscle group at a time. Trainers know that functional strength comes from barbell exercises that recruit multiple muscles, such as squats. A great guide to functional exercises is 'Athletic Development,' by Vern Gambetta.
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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
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The Interpreters We Left Behind
The Rise of Cyclocross
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