What is the name of the skirt side fan bladder

Fanning the bladder on both sides of the skirt, also known as "spinning and jumping", is a popular dance movement in the folk square dance in northern China. The movement is basically a jumping spinning action, the dancer through the jumping turn and two hands fanning, creating a beautiful dance effect. This movement is called "Fan Bladder" because when jumping, the dancers fan their hands like a fan, and the fanning action echoes the dancers' rotation, creating a beautiful visual effect. This movement is very popular in folk square dance, because it is easy to learn, but also rich in dynamics and beauty, very suitable for the characteristics of square dance. In addition, fan bladder can not only exercise the body, but also enhance the coordination and flexibility of the body, but also enhance social communication, is a very healthy and beneficial cultural and sports activities.