Pommel Horse becomes our national focus after Feng-Chih Chang won a bronze medal in 1990.Beijing Asia Games gymnastics. Competition In this event, circles in cross support on 1 pommel is the most important component with a value to elevating performance score, which has been used by Russia Circles. Therefore, most of the elite athletes practices this motion. For the study, we recorded circles in cross support on 1 pommel in two stages:1) the assisted training phase; 2) the actual practice phase. In the first phase, athletes were using suspended barrel to increase the frequency of the trainng on the motion. The goal of the phase is to let athlete familiarize this motion. For the second phase, the actual practice would allow gradual progress to facilitate the improvement in real performance.