In order to get rid of the boring feeling of sports, many fitness centers have installed TVs on treadmills or machines, so many people either look up or look down at TV when running, which will affect their health for a long time. In addition, hunchback and excessive tension are also common running problems. According to experts, running with head up and head down will hurt the cervical spine; Humpback running will hurt the thoracic and lumbar vertebrae; Fisting and neck tension can strain the neck muscles. Correct running posture: 1. Put your head in naturally; 2. The shoulders are slightly clamped with the body; 3. Don't lift your legs too high; 4. Keep your waist natural and straight, not too straight; 5. The muscles are slightly tense, keep the trunk posture, and pay attention to buffering the impact of the foot landing; 6. When exercising, one foot lands, the heel lands first, and then rolls from the heel to the sole of the foot, which can reduce the injury of running to the ankle joint; 7. Keep the knee joint slightly bent when landing, and don't straighten it, which can reduce the damage to the knee joint; 8. Try to relax when swinging your arms. Above: Xinzhuang Jingbu Qiao Shan Treadmill Massage Chair Monopoly Exhibition Center (No.369, Xinzhuang Road, Minhang District, Shanghai, near the South Square exit of Xinzhuang Metro 1 Line).