It’s a kind of Pilates.
Sort of like Bikram for hot yoga.
Recently learned that Pilates is called what it is because it was invented by Joe Pilates
I never knew that.
Reminds me of the inventor of the backflip, John Backflip:
https://theyardstickagency.co.uk/blog/the-strange-but-true-s...
Don’t worry, this is false and the article says so.