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Plankstuff Fitness Workouts, At Home Workouts, Easy Workouts, Core Workouts, Morning Workouts, Effective Workouts, Five Minute Plank, 10 Minute, Body Fitness
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Article from
huffingtonpost.com

You're 5 Minutes Away From Abs Of Steel

The Five-Minute Plank uses relative inactivity to challenge the abdominal muscles and strengthen them. In five minutes you get to exercise as many parts as possible of the muscl… 
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