Toan T. Nguyen

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INTRODUCTION: There are various ways to warm up and many studies suggest that different forms of warm-ups and stretches can positively or negatively affect athletic performance. PURPOSE: The purpose of this study was to determine if dynamic and static stretching would have an effect on anaerobic performance as measured through the vertical jump, broad jump, and Wingate Anaerobic Test (WAnT). METHODS: Participants came in on 3 nonconsecutive days. The first visit consisted of a pre-screening to determine the participants’ age, weight, and activity level. Once completed, the participants performed the experimental procedure without any form of stretching. Three trials of the vertical jump on the force plate were performed with a minute of rest in between, and three trials of the broad jump were performed also with a minute of rest in between trials. Peak power was recorded for the vertical jump on the force place and the distance in centimeters (cm) was recorded for the broad jump. The WAnT was then performed at the end of each visit with a two-minute warm-up to prevent injury and a cool down period for as long as they needed. The peak and mean power for the WAnT were recorded. On the following visits, the participants performed one of two different warm up routines that consisted of a static or dynamic warm up. The two stretching routines were counterbalanced to prevent other variables from affecting their performance. The participants then performed the vertical jump, broad jump, and WAnT again after each stretching routine during the subsequent visits. RESULTS: A total of 11 males began the study but only 9 males (20.22 ± 1.86 years, 175.5 ± 7.5 cm, 76.33 ± 13.36 kg) completed all the trials. The average peak power for the vertical jump after static stretching was 60.28 ± 10.87 W/kg while the average peak power after dynamic stretching was 62.59 ± 9.72 W/kg. The statistical analysis determined that there was no significant difference between the two values (p = 0.29). For the broad jump, the average distance was 235.9 ± 27.2 cm after static stretching and 239.4 ± 34.8 cm after dynamic stretching. These values were also determined to be not significantly difference (p = 0.60). The peak and mean power on the WAnT after static stretching were 693.74 ± 158.94 W and 507.17 ± 132.28 W, respectively. For dynamic stretching, the peak and mean power on the WAnT were 685.71 ± 179.08 W and 514.91 ± 144.54 W, respectively. The peak and mean power on the WAnT were also not significantly different (p = 0.77 and p = 0.57, respectively). CONCLUSION: The findings suggest that dynamic and static stretching do not affect anaerobic power and capacity to a great extent when compared to each other. It is possible that the performance tests used in the study were not dependent on the warm-up routines and did not play a role in the data that was collected.


Kinesiology | Life Sciences

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