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6 Amazing Abs Exercises that are Better than Crunches

5 exercises that target those hard-to-tone body parts

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The Best Weighted Ab Exercises for Stronger Core Workouts

10-Minute Lower Ab Workout for Women (Video)

10 Best Core Exercises and Workouts for Men

A 30-day strength training routine — no equipment required

10 Core Exercises for Lower Back Pain Relief

Abs Workouts: Unexpected Moves That Work Better Than Crunches