Eli5: why do babies sit with perfect posture when they learn to sit, but the older you get, the worse it gets?

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Babies sit straight up naturally. But the rest of us have to put effort in to having good posture, why?

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Anonymous 0 Comments

Chairs. Humans are not supposed to sit like that to maintain proper posture. No, I’m not talking about having back support, but about almost every way chairs are designed.

If you want to sit without back support, you either should be squatting or you should be sitting on an elevated surface such that your knees are below your hips and your feet are touching the ground. If you want to sit with back support, your knees still have to be below hip height and the back support should be such that it provides support, but not the kind that causes you to disengage your core.

Meanwhile, our chairs are designed to fuck up your posture, including, yes, including the orthopedic chairs and the chairs that claim to improve your posture and/or be easy on your back.

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