Fitness: Strengthen your core with The Plank – BikeRadar.com
Friday, May 21st, 2010 at
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Fitness: Strengthen your core with The Plank
BikeRadar.com This can be quite tricky: a method used in Pilates called 'zip and hollow' involves keeping your stomach muscles contracted while breathing in (allowing … |
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Fitness: Strengthen your core with The Plank – BikeRadar.com