‘Open’ & ‘Close’ in taiji. (2) Using the limbs
When you are standing with one leg in front of you and the other behind (i.e. in an Empty stance) and, using only your chest, you push something ahead of you (i.e. moving into a Bow stance), your centre moves towards the object that you’re pushing. The maths of this is definitely not something I’m confident about: First of all, there will be some ratio of relative forward to backward power-generation that I am sure someone will correct me on, but it’s possibly 2:1 (the rear l