Decomposition of stretching action of trapezius muscle in square dance

There are right and wrong ways to stretch. The correct way should be relaxation and persistence, with emphasis on stretched muscles. The wrong way is rapid and vibration, and the body will feel obvious pain. Specific stretching methods can be divided into trapezius stretching, deltoid stretching, triceps brachii stretching and quadriceps femoris stretching. This paper mainly introduces the essentials of stretching trapezius muscle. 1, feet apart, parallel to each other, keep shoulder-width distance, stand upright, put your right hand on the left side of your head, and exert a little force; 2. Slowly move the head to the right until the left side of the neck feels obvious stretching; 3. Turn your face to your right shoulder to make your neck feel continuously stretched; 4. Keep this posture 15 seconds, and then change to the other side.