Disclaimer: Admittedly, this is more of a kinesiology post rather than physiology, but after several recent experiences relating to this topic, I believe a temporary divergence is worthwhile. If you make a habit of reading yoga literature, you might have recently come across  articles emphasizing the need to ban the cue “draw the shoulders down … More The Fight Against Devolution of the Upper Body: Free your Neck and Let your Shoulder Blades Celebrate