Kris Gethin & Team Grenade Ab Workout – Bodybuilding.com


Kris Gethin & Team Grenade Ab Workout – Bodybuilding.com

Find more awesome workouts on Bodybuilding.com http://bit.ly/zmLkYw

Team Grenade puts Kris Gethin through a grueling ab workout! Watch him struggle through it then go and try it on your own!

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