Urgently beg. . . . 1, briefly describe the purpose and task 2 of aerobics, and briefly describe the characteristics of aerobics.

The purpose of aerobics is to improve health, which can be adopted by people of different ages in society. Task: To achieve the "three healthy" goals of strengthening physique, improving health, shaping body shape, controlling weight, enjoying spirit and cultivating sentiment through aerobics.

Features: According to the needs of the practice object, the movement is simple and easy to learn, the rhythm is a little slow, and the length of time varies, and it can be arranged for 5 minutes to 1 hour. For example, jane fonda, a famous American aerobics star, compiled a set of primary aerobics for 27 minutes. In Japan, the duration of aerobics is about 1 hour.

Aerobics is widely carried out in China, and there is no uniform standard for the practice time, venue, number of people, content, action name and rhythm of each set of aerobics movements, which can be arranged according to the needs of practitioners.

Adapt to the crowd

All kinds of people, mainly young people, mostly young women. Including obvious overweight, overweight, obesity, inactivity or lack of activity, excessive subcutaneous fat, poor physical sensitivity and coordination, unsuitable for children and the elderly, and contraindications for active diseases.

Pay attention to every warm-up preparation and closing activities; Wear elastic sportswear and elastic sports shoes; Prevent rapid and large-scale tension contraction, especially for beginners, weak people, middle-aged people and quasi-elderly people, so as to prevent sudden muscle strain.

Refer to the above contents: Baidu Encyclopedia-Aerobics (Sports), Baidu Encyclopedia-Aerobics (Sports)