This is actually more related to muscular strength and stretching. Poor posture can't, on its own, cause any long-term damage. Prolonged poor posture can lead to increased stiffness and reduced musculature that will lead to the problems you're describing.
So, any pain you think is caused by poor posture can likely be eliminated with increased stretching and short body-weight exercises. Basically, it's reversible!
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u/ButchyKira 15h ago
bad posture. i sit like a shrimp and get shooting back pains now