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1 month agoFrom the actual study and the universities own videos, it’s more that they figured out a way to shape a custom lattice based on the shape of the object. This ugly brain man shows the idea off more than the clean looking prints in OP’s article.
Your puborectalis is pinching off your rectum like a kink in a garden hose. Pooping in a position that loosens it requires less strain, which avoids injury. That position is a squat!