As Cheng Shu-chi points out, the students were worried at first about picking up injuries through the deep rotation technique, as "their previous training always stressed leaving the joints alone wherever possible."
鄭淑姬指出，同學們對從關節開始的深度旋轉，一開始總覺得會受傷，「過去的訓練是關節處儘量不要去碰它」，鄭淑姬說。