I have not yet. They do seem like they possibly require a partner to help hold and stretch for some of the positions, though I am not sure why it is beneficial. It is not as if they require to avoid uncomfortable spikes or spines.
I became distracted by the stories that appeared as well. I am curious where they came from and why anyone would think that Laurence would stoop so low as to have dallyings with Bonaparte of all people. It is absurd!