don't know if you have read this article from George Ledyard or not http://aikieast.blogspot.com/2009/08...in-aikido.html
something to consider, folks, including striking arts, don't normally getting hit so they don't really ready for the psychological and emotional impacts of being hit (pun intended). like this http://www.youtube.com/watch?v=_ecF8XSk7zI
. lesson learn here, you tensed up, it hurts alot, like a mother-in-law kind of hurt.