Service Motion of A.R. - 網球

as title
the films below are A.R.'s service motion
it seems no any same kind articles
so i just wanna ahare them to everyone


http://www.tennisplayer.net/public/tour_strokes/rick_macci_andy_roddick_serve_samplearticle.html
評論與重複重播

http://www.palmbeachpost.com/sports/content/sports/tennis/davis_cup/roddick_serve.html
評論分格慢動作

http://www.youtube.com/watch?v=hnfAxF5a8aE
上半身慢動作

http://www.youtube.com/watch?v=DbOal0dK72c
正拍擊球與發球上半身慢動作

http://www.youtube.com/watch?v=9s3E-jnzRiE
暖身連續發球

http://www.youtube.com/watch?v=JPmDjLhbXag
其中一場比賽的兩個發球

http://www.youtube.com/watch?v=6_72DkgGrrA
側面

--
好人雖然不會有好報，但卻有好心腸，對吧？

--