In most Chinese sword forms, the sword is held in the left hand and the right hand is held in a position (剑指 in Chinese, not sure if an english translation exists) that looks like this:   

[![enter image description here][1]][1] 

I have found that the right hand movements are just as, if not more complicated than the left hand. I understand that this is mainly for stability but is that really all there is to it? The movements seem too complicated for stability to be the only purpose.  

  [1]: https://i.sstatic.net/Xe3wus.jpg