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Old 07-29-2011, 05:54 AM   #23
Jack Yee
Member Jack Yee is offline
 
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Join Date: Jun 2010
Location: Santa Monica  CA
Posts: 162
Re: Butterfly kipping vs regular kipping?

I noticed some people have an extreme arching of the back when doing BKP while others don't and seem to reamain hollow. Any thoughts?

thks
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