Research now shows that as little as 15 minutes of resistance training is just as effective in spiking one's metabolism as a workout lasting more than twice as long. "The Women's Health Big Book of 15-Minute Workouts" is both an introduction to the fundamentals of short workouts and a comprehensive collection of hundreds of the most effective ones. 416 pp. 60,000 print.
【作者简介】
SELENE YEAGER is a top-selling author, certified personal trainer, and all-American Ironman triathlete. She lives in Lehigh Valley, PA.,,,
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