The thoracic spine is fixed due to the thoracic contour, the mobility is significantly reduced compared to the cervical and lumbar spine, so the chance of misalignment is relatively small, but the nerve segments of the thoracic spine innervate most of the visceral organs, once the thoracic spine is diseased (more clearly said that the thoracic vertebrae are misaligned), it is very easy to cause disorders of the internal organs, such as gastroduodenal bulb ulcer, diabetes, coronary heart disease, etc. In general sports, the neck and waist muscles exercise more, while the specialized thoracic back exercise is relatively less. And targeted thoracic back muscle exercise is an effective way to prevent thoracic spine instability. A, chest and neck: lying on your back, feet apart and shoulder width, bend your elbows and fists, head back, chest, to the pillow and elbow force, so that the back from the bed, try to suck a breath, maintain the above posture, hold it for as long as possible. Finally, when you can’t hold your breath, exhale and relax, hold for 10 seconds. Second, supine neck: supine, feet apart and shoulder width, bend elbows and fists, head and neck as far forward as possible, try your best to inhale a breath, maintain the above posture, hold it for as long as possible. Finally, when you can’t hold your breath, exhale and relax, hold for 10 seconds. Third, hold the shoulders and abdomen: lie on your back, feet apart and shoulder width, cross your arms and hold your shoulders, lift your waist and hips with your shoulders and heels as the fulcrum, so that your body is in the shape of an arch, try your best to take a breath, hold the above posture, hold it for as long as possible. Finally, when you can’t hold your breath, exhale and relax, and hold for 10 seconds. Warm tips: 1, the amount of strength, step by step 2, choose a hard bed practice is better 3, back pain, thoracic discomfort, to go to a formal hospital to clarify the condition, such as massage department