I m not sure whether this web has been posted here before. I find it very useful. http://winbird.bbesports.com/smash.htm
player on the left is totally out of position It might be my point of view only but the player on the left not positionned properly, his left arm is scissoring toward the back while he is swinging. Weird example to give. Or maybe the writing tells us not to hit like the left player?