求论文摘要翻译～～高手请进

With the popularization of arts and culture in recent years, dance from the stage into the tens of thousands of households. From the formal dance institutions to the local arts and cultural groups, professional dancer from the dance lovers to the public, more and more dance-oriented basic skills training, physical development of each part of the problem. And the waist as a central body parts, the completion of technical skills and dance emotion, the beauty of expression is particularly important.