Why Yin-Yang and Five Elements are the understanding and methodology of traditional physical health preservation?

It's a long story. I can't finish it in a few words. I can only tell you this:

yin-yang and five elements

Theory is the ancients' understanding of objectivity

material world

The generalization and summary of the law of formation, development and change are

traditional Chinese culture

The theoretical basis of the system,

Traditional sports

regimen

It is also a branch of traditional culture, and of course it is also based on the theory of Yin-Yang and Five Elements.