I was doing some jiu jitsu like a week ago and this guy did the can opener.
Like when I pull my head toward my chest I get like back/chest pain. Even when I jump I get back/chest pain.
Heres a vid of the can opener.
http://video.google.com/videoplay?do...22892071958392
Like when I pull my head toward my chest I get like back/chest pain. Even when I jump I get back/chest pain.
Heres a vid of the can opener.
http://video.google.com/videoplay?do...22892071958392
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