We stopped telling people to sit up straight. Here is what we say instead.
Decades of advice about upright posture have not produced fewer sore backs. The research has quietly moved on, and what replaced it is easier to actually do.
Из клиники
Материалы, которые не влезут в приём, — их пишет тот, кто будет вас лечить.

Decades of advice about upright posture have not produced fewer sore backs. The research has quietly moved on, and what replaced it is easier to actually do.