The Relationship between Vertical Jump Performance and Peak Torque of Lower Limb Muscles among Basketball Players
Journal Title: International Journal of Health Sciences and Research - Year 2017, Vol 7, Issue 7
Abstract
Background: Basketball game demands good muscle strength and an anaerobic power of lower extremities for best performance during the game. The vertical jump is one of the most explosive physical movements performed in basketball game and shooting is the basic way to get scores in basketball. For this reason, jump shot is the most frequently training method used in basketball academics. Literatures on muscle strength training to improve vertical jump performance among athletes are well established. However there is no detailed information of association of mechanical contribution of hip, knee or ankle with vertical jump with respect to the jump training regime, whether training program should include eccentric or concentric strength training techniques. Aim of the study: To find the correlation between vertical jump performance and peak torque of lower limb muscles among basketball players. Method: Through convenience sampling 39 collegiate basketball players were recruited after screening for inclusion and exclusion criteria. Isokinetic concentric peak torque of hip extensors (1800/sec), knee extensors (1200/sec) and plantar flexors (1200/sec) was assessed for dominant lower limb with 5 repetitions. After recording the peak torque, the subjects will be made to rest for 15 minutes and vertical jump test with 3 trails were recorded. Data Analysis: Descriptive statistic of concentric peak torque of hip, knee and ankle muscles and vertical jump performance were analyzed in the term of mean and standard deviation. Spearson’s correlation coefficient between peak torque of hip, knee and ankle muscles and vertical jump scores were correlated and 2 –tailed significance t test was done for significance. Results: significant correlation of concentric peak torque of knee extensors at angular velocity of 1200 per sec with vertical jump was noted. Further linear regression coefficient correlation was found between concentric peak torques of knee extensors with vertical jump. Conclusion: The result of this study indicates the significant correlation of peak torque of knee extensors at angular velocity of 1200 per sec with vertical jump performance among basketball players. The knee extensors seem to be the greater contributor for vertical jump performance
Authors and Affiliations
Kriti Singh
Keywords
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