2 1 century puts forward new requirements for talents, and the primary school stage is the key period to lay a good foundation. The new curriculum standard points out: "Teachers should stimulate students' interest in sports and cultivate students' awareness of lifelong sports." According to my specialty and the unique charm of aerobics, I introduced it into physical education in primary schools. In aerobics, the characteristics of "health, strength and beauty" are everywhere. It not only pays attention to the exercise of external beauty, but also emphasizes the cultivation of internal beauty. Especially primary school students are in the stage of growth and development, the structure and function of various organs are constantly improving, and the correct body posture is gradually forming. Moreover, aerobics is not limited by venues, equipment and seasons, which is beneficial for students to practice alone, improve their health, shape a beautiful body, cultivate their sentiments and enrich their lives.

1. The role of aerobics teaching

In the reform of physical education, music enriches physical education teaching methods and plays a good role in completing physical education teaching tasks and promoting the development of aesthetic education. Aerobics is carried out under music, and it is an emotional and rhythmic teaching material with rhythm and rhythm, which is expressed by body movements. In addition to the basic posture, dance steps and music rhythm, Jane Dance pays more attention to expressing students' psychological feelings. After artistic processing, rhythmic body movements and modeling are the main means of expression to express students' thoughts and feelings, which is more vivid and vivid. Primary school aerobics has beautiful movements, vivid images, strong sense of rhythm and great appeal. It can not only exercise and form a bodybuilding posture, but also cultivate sentiment and express feelings. Through teaching, cultivate students' interest in participating in activities and good posture; Develop the flexibility, coordination, sensitivity and strength of the body, as well as the sense of rhythm, expressiveness, imagination and creativity of movements. Enrich students' emotions; Cultivate students' civilized habits of mutual communication and friendly cooperation.

1. 1 has the function of shaping bodybuilding.

Physical beauty is the direct goal of practicing aerobics. Physical beauty mainly refers to the symmetry, harmony and bodybuilding of the human body. Genetic factors have produced the basic body shape of human beings, but it is entirely possible to shape it after tomorrow. Its actions and procedures are clearly aimed at overall and local goals. Practice has proved that it is one of the effective means to shape the body. Primary school students are in the period of growth and development, which is the best stage to shape their bodies, and shaping bodybuilding is the most attractive to the first generation of primary school students. Therefore, it is a sport that students like and is worth promoting.

1.2 can enhance the perception of music rhythm.

The music of aerobics has a distinct sense of rhythm and rhythm. Aerobics teaching practice also proves that most students who have just participated in aerobics training have a poor sense of rhythm, and only a few can exercise under the rhythm. After more than ten classes of practice, students can move rhythmically with the music and skillfully dance one or two complete aerobics. Through observation, it is found that students who practice aerobics are more sensitive to music and have a better sense of rhythm when doing radio exercises.

1.3 Improve people's attention

Attention is the direction and concentration of people's psychological activities to a certain object, and it is a necessary prerequisite for people to acquire knowledge and improve work efficiency. Aerobics is lively, vigorous and exciting, which can create a happy atmosphere, easily arouse people's interest and make people concentrate on aerobics in a short time. The movements of aerobics are flexible and changeable, with many small joint movements, asymmetric movements, rhythm and changes, which can cultivate people's attention conversion. Only by paying attention can we improve our learning efficiency.

1.4 exercise into a tenacious will

Will is a psychological process in which people consciously determine their goals, dominate their actions and overcome various difficulties to achieve their goals. For those who have not been exposed to dance and gymnastics, beginners will encounter many difficulties, such as uncoordinated movements, poor flexibility, inability to reach the designated position and inability to keep up with physical strength. However, aerobics attracts practitioners to overcome difficulties with its unique charm, grit their teeth and stick to it, and their willpower is gradually enhanced. A set of aerobics needs a certain amount of exercise load to get the effect of strengthening the body, so it needs long-term practice, which is the expression of will and the result of long-term practice.

1.5 has healthy, lively and elegant entertainment functions.

Like other communities in society, primary schools also have room for a leisure lifestyle. Aerobics, a cultural and artistic activity, is presented to everyone with a face full of the flavor of the times. Its melody is intense and cheerful, with a strong sense of bodybuilding, distinct rhythm and different styles, which is refreshing. It injects fresh air into the primary school campus, adds gorgeous colors to the campus leisure life and improves the cultural taste of leisure and entertainment activities.

2. The application of aerobics in warm-up activities

In the preparation part before class, jogging and unarmed exercises are often used to warm up, which is a more traditional warm-up technique. Under the requirements of the new curriculum standards, lesson preparation activities have also begun to change in various forms. Warm-up exercise refers to a short period of low-intensity exercise before exercise, which makes the muscles used in the later exercise contract first, so as to improve the local and systemic temperature and blood circulation, and make the various systems in the body (including cardiovascular system, respiratory system, neuromuscular system and skeletal joint system, etc.). ) gradually adapt to strenuous exercise to prevent sports injuries. Aerobics, as a means of warming up and losing weight in the gym, might as well play its full-body exercise function in school physical education class. The application of aerobics in warm-up activities has the following advantages:

2. 1 Combination of whole body and local preheating

Aerobics is an aerobic metabolic exercise. Generally, a simple set of aerobics takes about 4-5 minutes. Through moderate physical exercise, all joints, ligaments, main muscle groups and internal organs of the body are subjected to reasonable exercise load, thus effectively improving the functions of internal organs such as cardiovascular system and respiratory system, developing sports qualities such as strength, agility and flexibility, enhancing physical fitness and promoting the good growth and development of primary school students. For example, in gymnastics skill class, you should warm up thoroughly; So is the ball class.