Experts suggest that summer exercise should not be excessive, so as to avoid damage to body organs and even life-threatening. Proper exercise in summer can help you lose weight and exercise, but excessive exercise is harmful. In addition, some office workers will use their rest time to run or play ball outdoors, and it is very easy to get heatstroke if they suddenly increase their exercise. In addition, due to the large amount of sweating in summer, if you exercise excessively, not only the water in your body will be lost quickly, but also important elements such as potassium will be lost quickly, and serious potassium deficiency will lead to coma and even death. Prevention of sports injuries. What is sports injury? That is, all kinds of injuries that occur during and after exercise. The purpose of fitness is for health, but it is not worth the loss because of incorrect exercise methods: therefore, we must understand the causes of sports injuries and preventive measures. To participate in aerobic exercise, we must first know whether we have family diseases (such as heart disease and asthma) that are not suitable for aerobic exercise, and know our physical examination: people with heart disease or other diseases aggravated by participating in sports activities should undergo disease treatment or participate in rehabilitation exercise before participating in exercise. Second, what sports injuries do aerobics have? Muscle ligament strain, joint sprain, mental fatigue, sports fatigue, gravity shock, angina pectoris, stroke, sports abdominal pain, plantar fasciitis and nerve tingling, sesamoiditis, tendon, calf myalgia, semilunar valve disease, arthritis, mucositis, lumbar muscle strain bath, cervical spondylosis, tibial periostitis, etc. 3. 10 Main methods to prevent injuries 65438+. Listen to the coach's advice in an appropriate and slow way. 3. Learn the techniques and theories of preventing sports injuries. 4. Invest in sports shoes, wrist pads and knee pads. 5.65,438+00% increase principle, do not increase the frequency, intensity and duration by more than 65,438+00% within one week, step by step. 6. Keep the balance between aerobic exercise and anaerobic exercise. At the same time, take part in some strength and flexibility exercises to prevent injuries. 7. Your body needs time to recover and exercise without hurting it. 8. Don't have an empty stomach before exercise, and drink enough water before, during and after exercise. 9. Participate in different trainings, such as cross-training and exercise different muscle groups. 0. Adjust your exercise in time according to your physical condition. If the movement of a certain part causes pain, you can consider reducing the movement or stopping it. 4. Causes and prevention methods of sports injuries 1. Internal causes of muscle ligament strain: insufficient training level, poor flexibility, strength and coordination. External causes of poor physiological structure: insufficient preparation activities, poor venue, temperature and humidity, poor class content, and insufficient professional level of coaches; Prevention: Choose coaches, venues and suitable courses, and fully and step by step carry out exercise and preparation activities under normal weather conditions. Treatment: 24 hours ago was the acute phase. Methods: Stop exercising, cold compress, bandage and raise the injured part. After 24 hours is the recovery period: with massage, micro-motion, rehabilitation or restorative exercise. 2. Joint sprain: Internal causes: poor technical mastery and coordination, weak muscle strength around joints, poor physiological structure and poor physical strength due to fatigue. External causes: insufficient warm-up activities, slippery venue, improper use of equipment and coaches, and poor content (fast movements and many twists and jumps). Prevention: adequate warm-up activities and understanding of the use of equipment. Treatment: 24 hours ago was the acute phase. Methods: Stop exercising, cold compress, bandage and raise the injured part. 24 hours later is the recovery period: with massage, micro-motion, rehabilitation or restorative exercise.