An investigation to establish the intensities of work of rugby union players and the total distance covered of all positions within match-play through time-motion analysis
Edwards, Robert Rhys
Cardiff Metropolitan University
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The aim of this study was to investigate and establish the intensities of work of rugby union players, and the total distance covered of all positions within match-play through time-motion analysis. This study used a computer progtam that was specifically created to capture and also to analyse sequences of movements that occur during team games. Fifteen subjects were obseryed representing each position in the team. The on-field movements for each subject, was entered into the system during playback of the mini-audio cassette, which had been used to record the subject's movements during the match. The following elements of movement were measured and analysed: frequency, mean duration, and time percentage duration. In addition, the percentage of high-intensity bursts and distance covered was calculated by the same process. It was found that there are significant differences between forwards and backs with regard to the general distribution of the movement categories. The backs had a greater frequency but a lower mean duration within the movement categories than the forwards. The results showed that there were signif,rcant differences between forwards and backs in all movement variables. The altemative hypotheses were therefore accepted. The backs covered a greater distance during the games, but the dominance of the forwards in non-running/contact situations resulted in them having a higher percentage of high-intensity work.
BSc (Hons) Sport, P.E. and Recreation
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