The buffer and pedal is important technical link in sprint, long jump and high jump.The body posture is an substantial factor in buffering and pedaling.

• 摘要缓冲与蹬伸是短跑、跳远、跳高三项运动所共有的重要技术环节，身体姿位是影响缓冲与蹬伸质量的重要因素。