Correctly understand the physical characteristics of dancers. The physical characteristics of dancers are different from ordinary people. It is very important to understand their physical characteristics. First of all, dancers need to maintain good posture, which usually requires them to have a slender figure, flexible muscles and a highly coordinated body. Secondly, dancers need to have high endurance and explosive power in order to complete complex dance movements in performances. In addition, long and hard training and performances often bring various physical problems to dancers.