by Men's Health

Your fast-acting, full-body, do-it-anywhere summer exercise routine.

Perform this routine as a circuit, says its creator, Martin Rooney, P.T., C.S.C.S., author of Ultimate Warrior Workouts. Do 10 reps of each exercise, and complete as many circuits as you can in 15 minutes. Rest briefly when you need to, and resume working until the time is up. As your conditioning improves, increase reps or decrease the amount of rest.

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The world is your gym: Make gains anywhere, at any time.

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