Explain in detail all of the minute muscle movements that you make to throw a ball.

Not all things that humans learn are easily articulated or explained, not because those humans aren't articulate, but because they learned actions that are more easily intuited.

Also, on this topic, explainability of machine learning models is a hot field: https://www.youtube.com/watch?v=KP7-JtFMLo4 https://arxiv.org/abs/1602.04938 https://github.com/marcotcr/lime