The trapezius muscle and the rich pack are different in morphology, location and composition, as follows. 1. trapezius muscle: is composed of subcutaneous muscle tissues of the neck and back, unilateral trapezius muscle is triangular, starting from the occipital rump and so on, stopping at the clavicle, scapula, shoulder peak and other structures. The left and right sides converge to form a rhomboid, so it is called the trapezius muscle. The main role of the trapezius muscle is to stabilize the scapula, assist the shoulder and neck to complete the rotation, lifting and other actions. 2. Fuchsia: It often occurs in people who are more than obese, and is often located at the junction of the seventh cervical vertebrae and the first thoracic vertebrae. The formation of the bag of wealth and long-term low head has a certain relationship, the head is constantly tilted forward, the tension of the back of the neck will continue to increase. So usually must develop a good habit, don’t play with the cell phone for a long time, or work at the desk. Usually pay attention to exercise, to avoid the production of rich bags.