"Research on the Present Situation of China" selects rumba, cha-cha and jive as the teaching contents, and conducts intervention exercises for 50 female college students for 17 weeks, three times a week, and measures the body shape, physical quality and other indicators of female college students before and after the experiment, and makes a self-comparative study of the measured data. Through the statistical analysis of experimental data, the results show that Latin dance practice can not only improve the body shape of female college students, but also improve their body shape. I. Overview of sports dance Key words: sports dance; Fitness dance is a popular sport in recent years. By studying the meaning, background, sports development and dance technical movements of sports dance, this paper discusses the fitness value of sports dance and provides ideas for realizing and popularizing national fitness activities. As a fitness exercise, sports dance moves all joints of the whole body, exercises muscles of the whole body, exaggerates the sense of rhythm and coordination, and is a sport that integrates sports and art. Like other sports activities, it can exercise and strengthen physical fitness, and also has the function of shaping the body. Healthy body, but also physical and mental health, this is the standard to measure the health of modern people, and sports dance is one of the best exercises to combine the two. Sports dance, also known as "international standard dance", is transformed from ballroom dancing. It is a highly integrated sport with art and has many social functions such as fitness, entertainment, socialization and competitive performance. From the point of view of fitness, it integrates fitness and mental health, and is not limited by venue equipment. The exercise load is relatively small, and people of different ages, physiques and levels can participate. With the implementation and promotion of the Outline of the National Fitness Program, with the development of social economy and the progress of people's material living standards, people's demand for spiritual culture has further increased, and the masses have shown increasingly strong hobbies and enthusiasm for sports dance. Therefore, it is of great significance to study and discuss the fitness value of sports dance. Author: Department of Physical Education, Acheng College, Harbin Normal University 1 Helps to improve body shape 1) To form a good body shape: In sports dance practice, participants are required to keep their heads up, chest out, abdomen in, waist in, shoulders down, knees relaxed, thighs and hips clamped, so as to make the whole body stretch, straight, elegant and generous; Exercise consumes a lot of energy, laying a solid foundation for reducing excess fat, maintaining proper weight and shaping a beautiful figure. (2) Improve physical fitness: People who insist on body dance practice for a long time can effectively improve and make progress in body balance, flexibility, strength, agility and reaction speed. (3) Maintain a healthy psychology: It can enable people to exchange ideas, express feelings, strengthen cooperation and eliminate tension, depression and loss in a relaxed environment. What are the fitness values of sports dance? Sports dance is a sport that can promote the exchange of national standards, a comprehensive art with high aesthetic value and fitness and entertainment value, and an elegant sports event that integrates dance, music, clothing, demeanor and physical beauty. It spans sports, art and education, and has a strong flavor of the times and good exercise value. The State Education Commission clearly pointed out that physical education class should take health as the first goal, and the course name was changed from "Physical Education" to "Physical Health". The guiding ideology of the reform of the State Education Commission is the necessity of the development of physical education class today. Different from competitive sports, school physical education should put health first and performance second. This guiding ideology points out the direction for the reform of sports health curriculum. In such a big environment, it can greatly promote the development of college sports dance courses and the improvement of students' sports dance level. After carrying out sports dance courses in many schools, it is found that sports dance courses are different from other courses (such as track and field, ball games, aerobics, etc. ) in teaching. Sports dance has its own characteristics. To carry out the sports dance course well, we must be familiar with the value of sports dance in college sports health class. Accompanied by music, through the rhythm changes in all aspects of the human body, we create different body movements and shapes with different difficulties, showing different emotions and skills. We can enjoy ourselves, keep fit or take part in sports competitions. Sports dance action produces load in the unique form of human muscle activity, stimulates internal organs, promotes the enhancement of respiratory, circulatory, digestive, nervous and other systems, meets the needs of muscle load, and maintains the balance of the body in the new situation. It has exercise physiology. Sports dance has high exercise value. Compared with our regular exercise, his mental load is to promote body metabolism and improve the physiological performance of college students. It has a good effect to achieve the purpose of exercising. 2. The value that sports dance can promote college students' mental health is not really mature because of their age characteristics. In the transitional period when social cognition, emotion and self-awareness tend to be rapidly mature but not yet fully mature, emotions and emotions can produce power function, regulation function, signal function and infection function in the behavior of treating things. Emotion and emotion are very important non-intellectual factors that affect college students' learning, and they are also important aspects that can not be ignored in improving teaching quality in colleges and universities. Fully mobilizing and using the positive factors of emotion and emotion in sports dance teaching will certainly help to improve college students' learning enthusiasm, give play to their intelligence level and improve their acceptance and understanding of the teaching content. It is also conducive to cultivating college students' sentiment and improving their health. The process of participating in sports dance itself is a process of creating a beautiful atmosphere, and the change of human posture has formed a blend of artificial art and music. 3 Fitness Value of Sports Dance American athlete Guric once said: "Dance can eliminate excess fat and replace it with strong muscle tissue, so that softened, dull and lifeless muscles are full of vitality and elasticity again." Modern people live and work under too much pressure. Body and mind are often in a state of tension and fatigue. Sports dance can eliminate excess fat, improve the cardiovascular system and respiratory system of human body, enhance the muscle strength and joint flexibility of human body, and improve the coordination ability of human limbs, trunk and whole body. Many scholars at home and abroad have also measured and studied the sports value of sports dance, and analyzed its physiological indexes such as energy metabolism rate, energy consumption, and changes in exercise heart rate. People think that sports dance is the best indoor and outdoor entertainment. 3. 1 The fitness function of sports dance can improve the blood supply of human bones, muscles and brain cells, and improve muscle strength, ligament flexibility and joint flexibility. Therefore, it is a very valuable physical exercise, which will make people fully exercise physically and mentally in many aspects, thus receiving beneficial results. Sports dance itself is a great collection. There are 65,438+00 kinds of dances for participants to choose from. Modern dance runs smoothly in dance music with moderate rhythm. Ups and downs, soft and dexterous tilt, swing, reverse rotation, beautiful shape, solemn and elegant, gorgeous and unique, can cultivate temperament and cultivate good posture. Soft rhythm is also the first choice for middle-aged and elderly people, and Latin dance is passionate. The rhythm is lively and full of * * *. It can exercise almost every part of people: shoulders, arms, waist, abdomen, buttocks, legs and so on. Dynamic music can also make people forget troubles and melancholy. Therefore, more and more young white-collar workers like Latin dance and actively participate in sports, which can not only keep fit, but also regulate and promote mental health. As early as more than 2,000 years ago, China sages had it in the ancient medical book Neijing. Mental health is very important for human development. The research shows that the mental health level of people who actively participate in sports dance activities is obviously higher than that of ordinary people, which shows that sports dance has a very obvious promoting effect on mental health. Accompanied by beautiful dancing and light music, people's self-enclosed consciousness will be completely relaxed here, and the harmonious and elegant atmosphere on the dance floor can also enhance people's communication consciousness. Sports dance activities not only enhance the friendship between partners and dancers, enrich social life, but also improve the interpersonal skills of participants. Now, in the morning and evening training points of large and small cities, groups of residents can be seen everywhere. Dancing with music, sports dance has become one of people's favorite fitness methods. 3.2 The bodybuilding function of sports dance can strengthen the body's metabolism, increase energy consumption and make the body develop in a balanced way. Regular practice can form a good posture and elegant temperament. 3.3 The warm-hearted function of sports dance is that "the emotion moves in the middle and the shape is outside", which explains the performance characteristics and performance characteristics of dance. Therefore, dance is full of emotion and beauty. Sports dance combines the beauty of dance, music, body and clothing. Taking part in sports dance exercises with strong colors of entertainment, competition and performance is not only conducive to physical fitness. Improving the coordination ability of the nervous system in the process of excitement and inhibition and its adaptability to the external environment can also keep people in a good mental state, improve the efficiency of study and work, eliminate the tension and fatigue in work and study, bring people's ideological realm into a new realm and provide good opportunities for interpersonal communication, which will have a positive impact on people's psychological activities such as mood and behavior. Sports and dancing are inseparable from music. Music is inseparable from the touching place of rhythm, beat and speed sports dance, and it is the unity of beautiful music and natural beautiful body movements. It can not only create a beautiful artistic conception, but also reflect the healthy and beautiful characteristics of sports dance. Sports dance strengthens the beauty of human movement through the beauty of music. Enhance the characteristics and functions of sports dance music. The music style of sports dance is 4. 1. Sports dance music helps individuals to establish the whole consciousness and the manipulation process of normal behavior by using expressive movements. They include: emotion, psychology, behavior, social interpersonal relationship and spiritual function. Sports dance music uses the situational relationship mechanism that human beings generally have. Sports dance music strives for the perfect combination of dance image and music image in the activities of highlighting specific rhythm, so as to achieve the purpose of regulating people's emotions, which is another higher-level aesthetic demand pursued by sports dance. Dancers reduce the beat form of * * * to a subordinate position, and put the musical image and rhythm characteristics of * * * in a prominent position. For example, quickstep is the evolution of Boston dance and one-step dance. Both appeared in the United States at the end of 19, with the appearance of black ragtime and jazz. Their dance music is cheerful and bright, their dance steps are light and lively, and they have a strong sense of jumping. The combination of dance steps includes jumping, swinging legs and sliding, and its dance steps are light and elegant, showing people's wonderful. Cheerful music, exquisite dance steps and relaxed mood are the unique styles of quickstep dance. 4.2 Effects and functions on physiological functions. Conclusion Sports dance music can make the body produce beneficial vibration, coordinate the functions of various organs and systems, and practice sports dance can increase the breathing depth, thus increasing the activities of diaphragm and abdominal muscles, and playing a massage role on the liver and gastrointestinal tract. Sports dance music that enhances digestion also has the functions of lowering blood pressure and maintaining brain health. People will feel comfortable and clear-headed when listening to music, which shows that listening to music attentively can play a role in strengthening the brain. Therefore, sports dance music has a good influence on the spirit and nervous system. The combination of sports dance music and sports dance activities has multiple values and functions such as promoting physical and mental health, cultivating sentiment, creating an elegant living atmosphere and treating diseases. It is beneficial for people to form a perfect personality, which is the development direction of mass fitness. Can meet the needs of modern people for interesting sports life. Therefore, we should vigorously carry out this mass movement in society to socialize sports dance. With the rapid development of modern social economy and the continuous improvement of living standards, people's physical health level is getting higher and higher.