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http://dx.doi.org/10.15207/JKCS.2021.12.8.061

Convergence study on the relationship between vertical jump and lower extremity muscle strength in elementary school baseball players  

Jeong, Ho-Jin (Department of Physical Therapy, Nambu University)
Park, Se-Ju (Hanaro Medical clinic)
Publication Information
Journal of the Korea Convergence Society / v.12, no.8, 2021 , pp. 61-66 More about this Journal
Abstract
The purpose of this study was to investigate the relationship between vertical jump and lower extremity muscle strength of elementary school baseball players. This study subjects were conducted with a total of 40 subjects. Vertical jump was measured using a vertical jump gauge, and a hand held dynamometer was used to measure lower extremity muscle strength. For the measurement of lower extremity muscle strength, flexion·extension·adduction·abduction·internal rotaiton·external rotation of both hip joint, flexion·extension of both knee joint, dorsi flexion·plantar flexion of both ankle joint were measured. pearson's correlation analysis was used to analyze the correlation between vertical jump and lower extremity muscle strength. From these results, it was found that the stronger the leg muscles except for the plantar flexion, the higher the vertical jump was, indicating a positive correlation. In future studies, follow-up studies on the relationship between batting ability and vertical jump & lower extremity muscle strength are needed.
Keywords
Convergence; Lower extremity muscle strength; Vertical jump; Baseball players; Sports physical therapy;
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