Polishtrainer.com

The best ab exercises are surprisingly easy to do. This is the finding of a study done at the Biomechanics Lab at San Diego State University that looked at a variety of common abdominal exercises in order to determine the best ab exercises and what really works to strengthen abs. The study compared 13 abdominal exercises, ranging from the traditional ab crunch to more complicated activities, using at-home and gym equipment.

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