High Intensity Interval Cardio & Abs Circuit - Rob Riches

Cover model and TEAMOptimum Nutrition Athlete, Rob Riches, shows how he switches up classic exercises to further challenge and develop a winning physique. You can see Rob's entire Ab exercises in his playlist here: www.youtube.com You can follow rob and his daily posts on Facebook and Twitter below: twitter.com/RobRiches www.facebook.com/pages/​The-Official-Rob-Riches-Fitness-Group/​109378955772447 Daily blog: www.robrichesfitness.wordpress.com For more

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