It's a ground fighting form from the Chow Gar SPM branch -
Performed by Sifu Paul Whitrod:
http://www.youtube.com/watch?v=RbkDM9bN ... pDV2pm8nhz
[Have tried to embed via the "youtube" tab above but it never seems to work when I do it. Says "error - try again later"]
I was surprised that Chow Gar SPM had this form as I assumed (wrongly) that Kung Fu was all stand up with no ground game.
It's been real fun learning bits of it.