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How to Increase Crunches

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How to Increase Crunches

L
Livestrong

4 Views • Dec 03, 2015

Description

How to Increase Crunches. Part of the series: Exercise Applications. You want to do this not only increase and better your posture but also to strengthen your abdominal musculature. Increase crunches with help from the first American physician/Orthopedic surgeon to write and demonstrate all exercises in a comprehensive fitness book in this free video clip.