AN INVESTIGATION INTO WHICH FORM OF POWER; HORIZONTAL OR VERTICAL
Cardiff Metropolitan University
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Sprint speed and acceleration are vital to performance in a number of field based sports, including rugby union. The aim of this particular study was to identify which form of power, horizontal or vertical shares a closer relation to sprint speed and acceleration in male rugby players. A subsidiary aim was to investigate how the use of an arm swings affects jump performance and how this affects the consequent relationship with sprint performance. Sixteen male university rugby players (weight 91.8 ± 9.68 kg, height 182.1 ± 6.47 cm) with experience in resistance and speed training took part in all testing procedures. Participants completed countermovement and horizontal jumps, both with and without the use of an arm swing. Sprint performance over 10m, 20m, 20-40m and 40m was recorded using SmartSpeed timing gates. Pearson’s correlation coefficients were used to determine the magnitude of the relationship between the various jump parameters and sprint split times. 10m split times displayed no significant correlation with any of the jumps. 20, 20-40 and 40m split times all showed similar, significant correlation with all jump variables (r = -0.51 to -0.63, p = <0.05). The results suggest that both horizontal and vertical power both play a similar role across the different phases of the sprint.
DEGREE OF BACHELOR OF SCIENCE (HONOURS) SPORT AND EXERCISE SCIENCE
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