For me it absolutely doesn’t. I have very weak back muscles and when I sit down, my back bends weirdly which makes my shoulder muscles hurt sometimes. My spine is also bend to the left which gets really hurtful sometimes and when sitting down I have to activately sitting upright wich is very uncomfortable and exhausting and when I stand upright I have a sway back due to my weak back muscles. So Idk what’s wrong with your posture but for me it feels anything but good.
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