Exercise that improves autonomic nervous function

Developed jointly with Professor Hiroyuki Kobayashi, Juntendo University School of Medicine Autonomic Nervous Exercise: Inquiries about cell exercise have increased. I am an author, but I would appreciate it if you could refer to it. The key to exercising is how to raise parasympathetic levels. It is used in many sports sites as one of the popularization of the correct conditioning method without static stretching.
That famous athlete too! Also a national idol!
I am teaching and practicing.