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Effects of ipsilateral and contralateral loading on lower extremity muscle activity during one leg standing

한발서기 동안 동측, 반대측 방향의 상지부하가 다리근육의 근활성도에 미치는 영향

  • Heo, Jae-seok (Department of Physical Therapy, Graduate School, Kyungsung University) ;
  • Lee, Sang-yeol (Department of Physical Therapy, Kyungsung University)
  • 허재석 (경성대학교 일반대학원 물리치료학과) ;
  • 이상열 (경성대학교 물리치료학과)
  • Received : 2020.03.06
  • Accepted : 2020.05.08
  • Published : 2020.06.30

Abstract

Background: The purpose of this study was to investigate the effects of ipsilateral and contralateral load changes during single-leg standing on the leg muscle activities of healthy people. Design: Randomized controlled trial. Methods: For all the subjects, a load was randomly applied to the ipsilateral or the contralateral side. While the load was applied, the subject raised a hand and then performed single-leg standing for 10 seconds using the dominant side. Results: During single-leg standing, the muscle activity of the gluteus medius, peroneus longus on the supporting side increased statistically significantly when an upper limb load was applied contralaterally, but no statistically significant differences were detected in the muscle activities of the tibialis anterior and the gastrocnemius using a test of within-subjects effects. Conclusion: It can be seen that muscle activities increase during exercise when the amount and frequency of a load are increased and when the same load is applied to different sides of the body. Such muscle activity increases may be applied to change the intensity of exercise when one is in a static posture, such as during single-leg standing.

Keywords

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