Abstract
In this study, a single standard was created for evaluating overhead stroke skill in badminton. Based on video of overhead clears, each subject’s stroke was classified from the perspectives of “stepping/not stepping”, “turning hips/not turning hips”, “position and delay of upper arm” and “delay of forearm”. All subjects in this study were women. Based on the results of these classifications, the form of each subject’s clear was assigned a grade from 1 to 8. A significant correlation between these eight grades and shuttlecock speed was confirmed. It was concluded that the grading system for clear strokes created in this study was a useful means of grading clear strokes in badminton.