Super intense flexibility training, many students almost cry

Please don t imitate the flexibility training in the video. This video is for documentary only. this video is me helping my class female dancers to do the flexibility training. cameraman and editor: Qianqian (AKA me) camera: iPhone 6 Declaiming Please don t imitate the training in this video by yourself. The students in the video are the professional dancers and have been studying for years. The teachers have more than five years of teaching experience, so they dare to train students like this. The students in the video are challenging to a higher level of flexibility, so the training of the teachers is more severe. But this kind of training is harmless because the students have already warmed up before the training, the bones and muscles have been totally relaxed, after the training, the students will get the corresponding auxiliary massage to eliminate the muscle pain. Everyone has limited ability to withstand the pain, so you can see some of the student