並列摘要
Among those short-distance running event, the 400-meters running is the longest one. In order to improve athletes’ performance and help them to win in the contests, coaches have to understand the skills and the teaching strategies. For example, the allotment/assignment of speed. While running the 400 meters, the human’s energy system directs to use the energy source from the Anaerobic System and Lactic Acid System. The athletes must understand the speed allotment/assignment, the adjusting of stride frequency and length and the fact that the allotment/assignment of speed for 400-meters is becoming more and more proportional. Besides, the physiological fatigue decreases the running speed in the last 200 meters of the 400-meters and that results in the gait change: the slow-down of the stride frequency and the shortness of the stride length. Make the stride frequence faster will helpful to the running speed.
延伸閱讀
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