Developing an experimental type physical education class to improve sprinting ability through plyometrics in late pubescent male students

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The purpose of this study was to clarify whether 50 m sprinting abilities in late pubescent male students would be improved by both legs simultaneous type and one-leg alternation type plyometrics. The subjects were classified into two groups ; a both legs simultaneous type (jump to the box and hurdle jump), a one-leg alternation type (box bounding and bounding). Training was continued once a week for six weeks. As a result, the sprinting velocity at 10 m intervals between the 30-40 m and 40-50 m sprints increased significantly in one-leg alternation type.