Originally Posted by JediMindTrick
The instructions do encourage the torso rotation, except that you have the wrong image. The torso is supposed to rotate vertically, aka shoulder roll, not horizontally as in the forehand. As you can imagine if you rotate the torso vertically, then the shoulders will remain sideways. That's why the instructions tell you to make sure that you don't open the shoulders. Of course, the instructions could tell you to rotate the torso vertically, not horizontally, but then, they wouldn't be the complete garbage that they are, no?
Agree, this promotes a better image of the proper action.