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

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2.5K views · 64 reactions | Depressor Anguli Oris, or DAO for short, is one of the most overlooked muscles. This is the muscle that's responsible for lowering the corners of the lips and mouth, If this muscle is too active, then it can start to tug down on the corner of the mouth leading to the formation of marionette lines, as the overlying skin is constantly being pulled down by the overactive muscle. As we age, these lines will become more and more pronounced. | Koko Face Yoga | Facebook