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Loaded Swiss Ball Crunch Abdominal Exercise.

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Loaded Swiss Ball Crunch Abdominal Exercise.

R
Rob Pilger

309 Views • Jun 24, 2009

Description

http://www.boxingperformance.com http://www.RobPilger.com http://www.theultimateboxingworkout.com Learn how to perform the swiss ball crunch with resistance to truly strenghten your core!