The true takeaway from this piece is the link to The La Sierra System of Physical Fitness. https://theleanberets.com/la-sierra-high-pe-past-lessons-for-future-fitness/ I caught the very tail of this ethos and witnessed it get swept away. My elementary school Physical Education classes were far more intense, well rounded and efficacious than my highschool years as a multi sport athlete. Fatties were rare in my youth. They are legion today.