IJSRP JUNE 2012 Online Print Version - IJSRP.ORG

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International Journal of Scientific and Research Publications, Volume 2, Issue 6, June <strong>2012</strong> 33 ISSN 2250-3153 Table 4: Correlation of peak power of vertical jump test & wingate cycle test in high school basketball players. Pearson Correlation Sig (2-tailed) Pearson Correlation Sig. (2- tailed) Mean SD 773.7200 221.65951 447.5940 65.82322 N 50 50 Verticle jump test mean power 1 Wingate cycle mean power The above table shows there was a positive correlation between the two variables i.e. average power (r = 0.031, p > 0.05) and & peak power (r = 0.044, p > 0.05) of vertical jump test and Wingate cycle test, demonstrating the validity of the vertical jump test as a field test of anaerobic power in high school athletes. 0.044 0.759 0.044 0.759 Graph 1: Correlation of average power of vertical jump test & wingate cycle test in high school basketball players. Graph 2: Correlation of average power of vertical jump test & wingate cycle test in high school basketball players. 1 www.ijsrp.org
International Journal of Scientific and Research Publications, Volume 2, Issue 6, June <strong>2012</strong> 34 ISSN 2250-3153 VI. DISCUSSION The results of the present study indicated that there was a positive correlation between the average power (r = 0.031, p > 0.05) & peak power (r = 0.044, p > 0.05) of vertical jump test and Wingate cycle test, thereby supporting the experimental hypothesis. Vertical Jump and Wingate anaerobic power tests rely heavily on ATP/PC energy system contributions to produce/sustain maximal anaerobic power. Also, weight had a considerable impact on performance on these two tests. The heavier subjects in the current investigation had higher anaerobic power outputs on both the Vertical Jump and Wingate tests. Previously, the vertical jump and Wingate power tests have been administered to athletes and recreationally active individuals to assess anaerobic contributions, and are considered relatively valid and reliable as suggested in the literatures. 3 The results of this study appear consistent with other studies examining power performance in both a jump test and the WAnT. The moderate correlations observed (r= 0.031 and r = 0.044 ) in both peak and mean power, respectively between these 2 modes of anaerobic power assessments were greater than that recently reported by Hoffman et al., 11 but less than that previously reported by Bosco et al.. 12 The differences between these studies are not easily explainable.However, in the study conducted by Hoffman et al., the subjects were elite-level basketball players. Considering that the jumping test is a more specific anaerobic power test for these athletes, their ability to generate power may be quite different when using other modes of assessment. Perhaps in a more diverse subject population, as seen in this present study and that of Bosco et al, the less specific the test is to the subject group the stronger the correlation between 2 different modes of assessment. The differences between these modes of anaerobic power assessment (cycling vs. jumping) may also relate to the significant differences observed in power outputs between these tests. By recruiting a greater muscle mass (both legs acting simultaneously and the inclusion of upper-body musculature), the jump tests appears to result in a significantly greater power expression. This is consistent with several studies examining power performance using different modes of assessment. 11,12 In addition, the greater power outputs observed in the jumping test may also be related to a greater recovery of mechanical energy that is stored in the elastic elements of the body during the countermovement. The present study used equations developed by Johnson and Bahamonde (1996) to predict vertical jump power in watts (W) from height, mass, and vertical jump height. When performing the tests, the subjects with greater heights and/or weights exhibited an ability to generate greater power outputs.This suggests that individuals taller and/or heavier would be predicted to a have higher anaerobic power output shows increased dependency of anthropometric variables (especially body weight) in the determination of anaerobic power in the tests. 9 The limited ability to predict basketball performance from tests of anaerobic power is an indication that other variables are responsible for success on the basketball court. Basketball performance may be better predicted if the anaerobic tests mimic sport-specific movements and skills. Tests that incorporate jumping, sprinting speed, agility, muscular strength and endurance, and hand-eye coordination would provide a valuable tool to assess and monitor basketball performance. 3 VII. CONCLUSION The result suggested that vertical jump tests may be accept as a field measures of anaerobic power in high school female basketball players. LIMITATION AND FURTHER RECOMMENDATION The sample size was small for the study. Verbal encouragement can be administered by all people monitoring the testing procedures will give false positive result. Fatigue could have been limiting factors since test were performed. We can recreate the current investigation using a larger sample size with female athletic populations in Anaerobic Power tests. Comparison of anaerobic power test can be done with result of a similar age, gender, and anthropometric measurements can be done. ACKNOWLEDGMENT I wish to express my thanks to respectable Principal of the institute Dr Sarla Bhatt & Milin Nandani, student of MPT for their kind support and guidance in making the research easy and providing all the help in completion of the research and all my colleagues and students for their valuable suggestions. Last but not least I would like to thank all participants for their contribution in the present study. REFERENCES [1] Fleck, S.J., and Kraemer, W.J. Designing Resistence Training Programs, 2nd ed. Champaign,IL: Human Kinetics, 1997. [2] Bompa, T.O. Periodization of Strength. Toronto, Ontario: Veritas Publishing Inc, 1993. [3] Stauffer KA. The comparison of the Max Jones Quadrathlon With the verticle jump and Wingate Cycle Tests as a method to access anaerobic power in female Division I College Basketball Players. University of Pittsburgh 2005. [4] Hoffman JR., Epstein S., Einbinder M., and Weinstein Y. The Influence of Aerobic Capacity on Anaerobic Performance and Recovery Indices in Basketball Players. Journal of Strength and Conditioning Research,1999; 13(4), 407-11. [5] Adams, G.M. Exercise Physiology Laboratory Manual, 3rd ed. Boston, MA: McGraw- Hill, 1998. [6] Inbar, O., Bar-Or, O., and Skinner, J.S. The Wingate Anaerobic Test. Champaign, IL: Human Kinetics, 1996. [7] Tom Evans. The Effects of Static Stretching on Vertical Jump Performance. Thesis submitted toThe Graduate College of Marshall UniversityIn partial fulfillment of the Requirements for the Degree of Master of Science in Health and Physical Education. Marshall University, May 2006. www.ijsrp.org
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