This movement follows the "Central Meridian" in energy medicine. Physically, it encourages you to roll your shoulders back and open your chest, which naturally shifts your body into a "power pose".
This is a protective gesture that shields vulnerable parts of the body. It typically indicates the person feels nervous, self-conscious, or is in "wait-and-see" mode. Body Language zip
In contrast, the is a recognized non-verbal cue that signals a lack of confidence or a need for protection. This movement follows the "Central Meridian" in energy