研究表明,旋转式掷铁饼的成绩比非旋转式的要高15—20％。但几乎所有的教练都觉得,运动员在采用了旋转式掷法后,成绩的提高并不显著。原因是在整个投掷过程中,具有快肌运动特征的手臂动作介入过早。从生理角度来 Research shows that rotary throw discus results 15-20% higher than non-rotary ones. However, almost all of the coaches think that the improvement of the athletes’ performance after using the rotary throwing method is not significant. The reason for this is that arm movements with fast muscle movement are prematurely involved throughout the throw. From the physiological point of view