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The Korea Academia-Industrial cooperation Society (한국산학기술학회)
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Correlation between Upper Extremity Muscle Strength and Bat Swing Speed in Elementary School Baseball Players

초등학교 야구선수에 상지 근력과 배트 스윙 속도 간의 상관관계 분석

  • Park, Chi Bok (Physical therapy center, Somoonnan Orthopedic Clinic) ;
  • Choi, Ah Young (Department of Physical therapy, Nambu University) ;
  • Jeong, Ho Jin (Department of Physical therapy, Nambu University)
  • 박치복 (소문난 정형외과 물리치료실) ;
  • 최아영 (남부대학교 물리치료학과) ;
  • 정호진 (남부대학교 물리치료학과)
  • Received : 2019.03.14
  • Accepted : 2019.06.07
  • Published : 2019.06.30
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Abstract

The purpose of this study was to determine the correlation between upper limb muscle power and bat swing speed in elementary school baseball players. This study subjects were 32 subjects. Upper extremity muscle strength was measured in the Both Shoulder joints extensor flexor abductor adductor, Both elbow joints extensor flexor and bat swing speed. The correlation between upper extremity muscle strength and bat swing speed was analyzed using pearson's correlation analysis. There was a significant correlation between dominant upper extremity muscle strength and bat swing speed in the order of shoulder adductor, shoulder abductor, elbow flexor, and shoulder flexor and in correlation between non-dominant upper extremity muscle strength and bat swing speed in the order of shoulder adductor, elbow flexor, shoulder abductor, shoulder extensor, elbow extensor, and shoulder flexor. From these results, it can be seen that the stronger the upper extremity muscle strength, the bat swing speed is the more positive correlation.

본 연구는 초등학교 야구선수에 상지 근력과 배트 스윙 속도 간의 상관관계 분석을 알아보고자 하였다. 연구대상자 32명을 대상으로 실시하였다. 상지 근력은 양쪽 어깨 관절에 폄근 굽힘근 모음근 벌림근, 양쪽 팔꿉관절에 폄근 굽힘근의 근력과 배트 스윙 속도를 측정하였다. 상지 근력과 배트 스윙 속도의 상관관계를 알아보기 위해 pearson's cerrelation analysis를 사용하여 분석하였다. 우세 측 상지 근력과 배트 스윙 속도 간의 상관관계에서는 어깨 관절 모음근, 어깨 관절 벌림근, 팔꿉 관절 굽힘근, 그리고 어깨 관절 굽힘근 순으로 유의한 양의 상관관계를 보였으며, 비 우세측 상지 근력과 배트 스윙 속도 간의 상관관계에서는 어깨 관절 모음근, 팔꿉 관절 굽힘근, 어깨 관절 벌림근, 어깨 관절 폄근, 팔꿉 관절 폄근 그리고 어깨 관절 굽힘근 순으로 유의한 양의 상관관계를 보였다. 이와 같은 결과로 볼 때 상지근력이 강할수록 배트 스윙 속도가 증가하는 양의 상관관계를 나타내는 것을 알 수 있었다.

Keywords

Table 1. General characteristics in subjects

SHGSCZ_2019_v20n6_239_t0001.png 이미지

Table 2. Correlation between dominant upper extremity muscle strength and bat swing speed

SHGSCZ_2019_v20n6_239_t0002.png 이미지

Table 3. Correlation between non dominant upper extremity muscle strength and bat swing speed

SHGSCZ_2019_v20n6_239_t0003.png 이미지

References

  1. H. M. Kang, Sports Injuries Armature and Professional Baseball players, Master's thesis, Yeungnam University, Gyengsan, Korea, 2011.
  2. J. H. Kim. Analysis on Pelvis Variation on Baseball Players in High School and University, Master's thesis, Keimyung University, Daegu, Korea, 2008.
  3. Korea Baseball Softball Association, http://www.korea-baseball.com/info/team/team_list?page=1&kind_cd=11&season=2018&sido_cd=00 (accessed 2018)
  4. G. Y. Choo, "A Correlation Between Batting Average and Factors of Physical Fitness in University Baseball Players", Journal of Sport Science, Vol.12, pp.87-99, Sep. 2000.
  5. C. M. Cho, H. S. Choi, J. H. Park, "The Effect of Offensive Factors on the Result of Korean College Baseball Game", Journal of Coaching Development, Vol.13, No.2, pp.97-102, Jun. 2011.
  6. T. K. Chung, J. W. Chang, S. J. Kim, "The Relation Between the Quality of Balls and the Research of Batting in Baseball", Journal of Sport and Leisure Studies. Vol.13, pp.495-504, May. 2000.
  7. K. J. Nam, The contribution of body segments related with the speed of the batting in baseball, Master's thesis, Seoul National University, Seoul, Korea, 2003.
  8. G. S. Sawichi, M. Hubbard, & W. J. Stronge, "How to hit home runs: Optimum baseball bat swing parameters for maximum range trajectories", American Journal of Physics, Vol.71, No.11, pp.1152-1162, Nov. 2003. DOI: https://doi.org/10.1119/1.1604384
  9. K. Miyaguchi, S. Demura, "Relationship between upper-body strength and bat swing speed in high-school baseball players", Journal of strength and conditioning research, Vol.26, No.7, pp.1786-1791, Jul. 2012. DOI: http://dx.doi.org/10.1519/JSC.0b013e318236d126
  10. C. A. Bailey, T. C. McInnis, J. J. Batcher, "Bat swing mechanical analysis with an inertial measurement unit:reliability and implications for athlete monitoring", Journal of Trainology, Vol.5, No.2, pp.43-45, Sep. 2016. DOI: https://doi.org/10.17338/trainology.5.2_43
  11. D. Y. Lee, Comparsion of learning effects using Virtual Realty[VR] in bat swing training, Master's thesis, Seoul National University. Seoul, Korea, 2018.
  12. J. H. Helen, A. Dale, B. Marybeth. DANIELS AND WORTHINGHAM'S Muscle Testing 9th. p.79-142, Elsevier, 2013.
  13. B. Shaffer, F. W. Jobe, M. Pink, J. Perry, "Baseball batting. An electromyographic study", Clinical orthopaedics and related research, Vol.292, pp.285-293, Jul. 1993. DOI: https://doi.org/10.1097/00003086-199307000-00038
  14. J. J. Crisco, N. J. Osvalds, M. J. Rainbow, "The Kinetics of Swinging a Baseball Bat", Journal of Applied Biomechanics, Vol.34, No.5, pp.386-391, Oct. 2018 DOI: https://doi.org/10.1123/jab.2017-0337
  15. J. Garhammer, "A kinesiological analysis of hitting for baseball", National Strength and Conditioning Association Journal, Vol.5, No.2, pp.70-71, Apl-May. 1983
  16. S. S. Hughes, B. C. Lyons, J. J. Mayo, "Effects of grip strength and grip strengthening exercises on instantaneous bat velocity of collegiate baseball", Journal of strength and conditioning research, Vol.18, No.2, pp.298-301, May. 2004. DOI: https://dx.doi.org/10.1519/00124278-200405000-00017
  17. D. J. Szymanski, J. S. Mclntyre, J. M. Szymanski, J. M. Molloy, N. H. Madsen, D. D. Pascoe, "Effect of wirst and forearm training on linear bat-end; center of percussion, and hand velocities and on time to ball contact of high school baseball players", Journal of strength and conditioning research, Vol.20, No.1, pp.231-240, Feb. 2006. DOI: https://dx.doi.org/10.1519/00124278-200602000-00038