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여자 배구와 탁구선수의 등속성 운동에 따른 무릎근력 비교

Comparison of Isokinetic Muscular Strength of Knee according to Female Volleyball and Table Tennis Players

  • 박시은 (우송대학교 물리치료학과) ;
  • 김용연 (동남보건대학교 물리치료과) ;
  • 박신준 (강동대학교 물리치료과)
  • Park, Si-Eun (Department of Physical Therapy, Woosong University) ;
  • Kim, Yong-Youn (Department of Physical Therapy, Dongnam Health University) ;
  • Park, Shin-Jun (Department of Physical Therapy, Gangdong University)
  • 투고 : 2019.06.24
  • 심사 : 2019.07.20
  • 발행 : 2019.07.29

초록

본 연구의 목적은 여자 배구선수와 탁구 선수 사이에 무릎 관절의 등속성 근력 수준을 비교하는 것이다. 총 27명의 엘리트 배구 선수와 27명의 탁구 선수가 이 연구에 참여하였다. 본 연구는 등속성 근력 측정을 통해 여자 배구선수 및 탁구 선수 무릎 굽힘근 근력과 폄근 근력의 양을 측정하였다. 최대 토크는 $60^{\circ}/s$에서 3회 최대 수의적 굽힘과 폄 수축을 수행하여 측정하였다. 여자 배구 선수는 여자 탁구선수 보다 무릎 폄과 굽힘근 근력이 높았다. 탁구 선수들은 왼쪽과 오른쪽 무릎 근력에 유의한 차이가 없었다. 하지만 배구 선수들은 양쪽 무릎 근력에 차이를 보였다. 또한, 신장과 체중은 무릎 근력과 양의 상관관계를 보였다. 본 연구를 통해 여자 배구 선수는 탁구 선수보다 무릎 근력이 더욱 높은 수준에 있음을 알 수 있었다. 또한 배구 선수가 비대칭적 무릎 근력이 있음을 발견하였다. 향후 연구에서는 등속성 근력강도에 대한 연구가 다른 스포츠 선수와 비교하여 확인될 것을 기대한다.

The purpose of this study was to compare the isokinetic muscular strength of the knee joint between female volleyball and table tennis players. A total of 27 elite volleyball players and 27 table tennis players participated in the study. This study measured both knee extensor and flexor strengths of volleyball and table tennis players using the isokinetic dynamic test. Peak torque was measured by performing maximal voluntary flexion and extension three times at $60^{\circ}/s$. Volleyball players had higher knee extensor and flexor strengths than table tennis players. No significant difference in both knee strengths was noted in table tennis players. However, volleyball players showed significant differences in both knee strengths. Height and weight showed a positive correlation with knee strength. This study found that volleyball players had greater knee strength than that of table tennis players. We also found that volleyball players have asymmetrical knee strength. Comparison with other sport players is warranted to better understand isokinetic muscular strength of the knee joint.

키워드

Table 1. General characteristic of subjects

JKOHBZ_2019_v9n7_153_t0001.png 이미지

Table 2. Comparison of muscle strength of both knee joint

JKOHBZ_2019_v9n7_153_t0002.png 이미지

Table 3. Correlation of height, weight and Right, left knee strength

JKOHBZ_2019_v9n7_153_t0003.png 이미지

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