The Journal of the Korea institute of electronic communication sciences (한국전자통신학회논문지)

Korea Institute of Electronic Communication Science (한국전자통신학회)
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Comparison of Maintenance Period on Muscle Activity and MVIC according to Type of Stretching

스트레칭의 유형에 따른 근활성도 및 최대 수의적 등척성 수축력의 유지기간 비교

  • 정진규 (전남과학대학교 물리치료과) ;
  • 이병훈 (전남과학대학 산학협력단) ;
  • 유재영 (전남과학대학교 물리치료과) ;
  • 김용남 (남부대학교 물리치료과)
  • Received : 2013.06.05
  • Accepted : 2013.08.23
  • Published : 2013.08.30
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Abstract

This study selected 22 male subjects to examine the maintenance period of static and ballistic stretching applied to rectus femoris, divided them into 11 static stretching group and 11 ballistic stretching group and analyzed changes in median frequency and in maximal voluntary isometric contraction before stretching and at 30 sec, 1 min, 3 min, 5 min, and 10 min after stretching. Median frequency showed significant differences in changes according to time and groups after the test of main effects. It was reduced after 3 min. in both static stretching and ballistic stretching groups and then increased again. Maximal voluntary isometric contraction showed significant differences in changes according to time and groups from the results of the main effect test. Static stretching group was reduced at 3 min after the experiment and then increased after that and ballistic stretching group was reduced at 5 min after the experiment and then increased again. In conclusion, changes were shown according to time after stretching and the effects of ballistic stretching were maintained a little longer than those of static stretching.

본 연구는 넙다리곧은근에 적용한 정적 및 탄성적 스트레칭의 유지기간을 알아보기 위하여 남성 22명을 대상으로 정적 스트레칭 군 11명과 탄성적 스트레칭 군 11명을 스트레칭 적용 전, 적용 후 30초, 1분 후, 3분 후, 5분 후, 10분 후에 중앙주파수 및 최대 수의적 등척성 수축력의 변화를 분석하였다. 중앙주파수는 시간에 따른 변화와 군 간에서 유의한 차이를 보였다. 정적 스트레칭군과 탄성적 스트레칭군 모두에서 3분후까지 감소되었다가 증가되었다. 최대 수의적 등척성 수축력은 시간에 따른 변화와 군 간에서도 유의한 차이를 보였다. 정적 스트레칭군은 3분후까지 감소되었다가 그 이후부터 증가되었으며, 탄성적 스트레칭군은 5분후까지 감소되었다가 증가되었다. 결론적으로 스트레칭 적용 후 시간에 따라 변화를 보였으며, 정적 스트레칭보다 탄성적 스트레칭의 효과가 조금 더 길게 유지되는 것을 알 수 있었다.

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