The Only Core Workout You'll Ever Need
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Photographs by Karan Kapoor

The chain of core muscles may be complex, but strengthening them doesn't have to be. This trunk-focused routine, created by Equinox coach Michael Ryan, covers essential functional movements — push, pull, squat, hinge, and walk — in just six exercises that keep your entire torso engaged. The beauty? Do it right and you'll build every muscle in your body. The bonus: You'll need only one kettlebell.