Modern people often look down and slide the cell phone, work long hours leaning forward to stare at the computer, not only caused many people have shoulder and neck stiffness, but also has the “round shoulder” will destroy the posture, resulting in the balance of the body is broken, chest tightness, headache, hands can not be lifted up, pressure to the cervical spine, and other problems ensue, but also lead to the whistle shallow, short, metabolism decline, and through a simple action, not only to relax the back, but also help to relax the chest muscles. A simple movement not only relaxes the back, but also helps to relax the chest muscles, improves shoulder and neck stiffness, and makes whistling easier! Shoulder blade stiffness leads to round shoulders, affecting circulation, metabolism and autonomic nerves Japanese health columnist Shiori Kiyosaki said that “round shoulders” have become a new disease of civilization, which is a situation where the shoulder blades are twisted in front and the muscles are tightened, causing the shoulders to bend forward, and this is especially common among office workers and heavy users of smartphones. It also causes pain and fatigue, poor blood circulation, narrowing of the shoulder blade’s range of motion, shallow breathing, and can lead to autonomic nervous disorders, anxiety and panic attacks, and insomnia and tinnitus. In the back and shoulder blades connected to the pectoralis minor muscle, is the chest of the deep muscles, once stiff will lead to shoulder blades, back muscles become stiff, Japanese health columnist Sakita Mina said that this action can relax the pectoralis minor muscle, as well as around the shoulder blades, to relax the shoulders and the back of the stiffness, at the same time, the pectoralis minor muscle is also an auxiliary to the muscles of the whistle, is beneficial to deepen the whistle, improve the body’s oxygen content. Relax the pectoralis minor muscle to do this 1, while using the fingers to press the side of the chest to press the part that will be a little pain, while leaning forward posture, arm slowly draw a circle, clockwise 10 circles, counterclockwise 10 circles. 2, straighten and stretch the back ridge, raise the hand to the height of the clock hand about 2 points, the angle is slightly toward the back of the oblique a little bit, maintain the height of the stretch arm, deep whistle two times. 3, then slowly turn around, and then return to the 2 o’clock height to repeat the action of 2, repeated for a total of 5 rounds. Repeat in the opposite direction. Deep whistle while performing, can use to the chest all the muscles, so that the effect is doubled, because the pectoralis minor muscle is also whistle auxiliary muscle, forging up to help the lungs of the whistle, not only can help to relax, but also beneficial to improve the metabolism.