Shot Put The Development Of The Trainers And Their Application Effect Of The Experimental Research

Guided by the principle of mechanics, kinesiology and biomechanics, A new shotput training instrument is designed to normalize the action of shot putting, to knowthe experience of shot putting, to improve the shot put mark rapidly and to solve theproblem of no training in rain, which is of characteristic with good flexibility,safety and low-cost, which could be equipped easily and simply. This kind of newshot put training instrument is applied to test in selected shot put course for universitystudents for one semester. In this test,68subjects were randomly halved intocompared class and test class. But the students in compared class were taughtaccording to shot putting teaching program, the others were taught by making use ofthis shot putting instrument, and two groups are taught by the same PE teacher. Theresult shows that shot putting technique and results of experimental class are obviousbetter than that of control class，and shot putting distance for experimental class was11.68meter, the others was9.24meters, and there were significant differencebetween two(T＝2.63，P＝0.0087). The important index of technique for shot putwas measured and counted, the result shows that the technique index of experimentalclass were better than that of compared one, So this shot put training instrument isfunctional and scientific, according to the principle of back slippery technique, whichcan improve performance and technique of back slippery effectively, which is fittedwith principal of back slippery, which can better solve problems of angle for shotputting,speed of the last shot putting and exerting in bad order.