The depressor anguli oris muscle, also known as the DAO muscle, plays a significant role in facial expressions, particularly those associated with negative emotions such as sadness, frustration, or disappointment. This muscle is responsible for pulling down the corners of the mouth, creating a downward expression.Emotions are often stored in the body, including facial muscles, due to stress, tension, or past experiences. Over time, these emotions can become trapped, leading to physical manifesta

Massaging the Triangularis (Depressor Anguli Oris)