Maintaining upright posture while sitting requires more muscular endurance and tolerance than slouching, so adjustment to better posture typically takes several days to weeks to feel sustainable and comfortable.
factualpending
Evidence Quote
“this does require more muscular endurance and tolerance to this shape so it might take a couple of days or a couple of weeks to really feel comfortable holding yourself in this position”
Created: 8/13/2026, 9:55:10 AM
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