this is an interesting one. it seems like they are trying to synchronize the speed of their footwork to the speed of the ball. [video=youtube;SYp9a9KyqJY]http://www.youtube.com/watch?v=SYp9a9KyqJY&feature=feedrec_grec_index[/video]
Very interesting. I would imagine this is used to create that "pause" as you look for the direction of the shuttle, before then exploding for the next shot.