Why Does Good Posture Feel Uncomfortable: Overcorrection, Fatigue, Unfamiliarity, or a Reason to Stop
Feeling uncomfortable after trying to sit or stand more upright does not prove that the old position was correct or that the new one is helping. First classify the sensation, notice when it begins, and check whether the shoulders, ribs, pelvis, jaw, or abdomen are being forced. Move away from extremes toward a lower-effort range,