Aerobics performances and competitions are beneficial to people's amateur cultural life. Enriching sports is an important part of human social and cultural life. People often take part in sports in their spare time in order to keep fit, entertain themselves and promote communication. With the rapid popularization and development of aerobics in China, aerobics competitions are gradually standardized. Now there are not only official national championships, but also provincial and municipal competitions, and even competitions within units and schools. In recent years, aerobics, as a performance project, often appears in various occasions and plays an important role in promoting aerobics. Performers spend a certain amount of time and energy to prepare for the competition or performance, but it is also a process of fitness and entertainment. The performance itself satisfies the performers' desire for self-expression and achieves the purpose of entertainment. For the audience, watching the game and watching the performance itself is a kind of entertainment. During the performance, the athletes' exquisite skills and strong physique give the audience a "beautiful" enjoyment, which plays a role in inspiring the spirit and enriching the amateur cultural life of the masses.
Function of aerobics
The role of promoting health and beauty "health" means that the physiological function is normal, and there are no lesions and diseases. However, with the development of economy and social progress, modern health is not only "health" in the physiological sense, but also includes healthy psychology and behavior. "Beauty of health" is a positive health concept and modern consciousness. Research shows that "the beauty of health" is the state in which the body can function most effectively. A person with "healthy beauty" not only feels good about himself, can easily cope with daily work and life, but also has plenty of energy to participate in various social, entertainment and leisure activities, and can spontaneously cope with sudden pressure. The physical qualities that a person with "healthy beauty" should possess are good cardiopulmonary endurance, muscle strength, balance, sensitivity, flexibility and coordination. The development of cardiopulmonary endurance makes the heart and circulatory system work effectively, transports nutrients, oxygen and bioactive substances needed by the body to muscles and tissues and organs, and transports metabolites away, which plays an important role in the life activities of organisms. The development of muscle strength not only shapes a strong body, but also has a strong activity ability, which slows down the degradation and aging process of muscles and affiliated tissues, making the body agile, flexible and full of vitality. Aerobics, as an aerobic exercise, has basically reached the understanding of its fitness effect. Some studies believe that aerobic exercise can best develop the cardiopulmonary function of human body. Aerobic exercise not only has the effect of aerobic exercise, but also develops the flexibility and sensitivity of the body. It can be said that aerobics is an ideal exercise to develop the overall physical quality at present.