DOI QR코드

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노인의 팔 굽힘/폄 저항 운동 시 하중 증가에 따른 근육의 활성도 및 기여도 분석

Analysis of Activation and Contribution of Muscles of the Elderly During Arm Flexion and Extension Resistance Exercise with Increased Load

  • Kim, Hyun-Dong (Department of biomedical Engineering, Yonsei University) ;
  • Hwang, Sung-Jae (Department of biomedical Engineering, Yonsei University) ;
  • Son, Jong-Sang (Department of biomedical Engineering, Yonsei University) ;
  • Kim, Han-Sung (Department of biomedical Engineering, Yonsei University) ;
  • Kim, Young-Ho (Department of biomedical Engineering, Yonsei University)
  • 발행 : 2009.11.30

초록

The purpose of this study was to assess activation and contribution of muscles of the elderly according to increased loading during the arm flexion extension resistance exercise. Surface electromyographic signals were acquired from biceps brachii, triceps brachii, deltoid posterior, pectoralis major and latissimmus dorsi to determine the difference of the activation of specific muscles between the elderly and young. Five elderly and five young males with no musculoskeletal disease volunteered for the study. Electromyographic activities in the muscles were measured during resistance exercise and normalized to the maximum EMG activity recorded in the maximal voluntary static contraction (MVC). Against the increased loading during arm flexion/extension resistance exercises, the young uses muscles evenly but the elderly uses one specific muscle frequently. Contribution of triceps brachii during extension and deltoid posterior during flexion was principal in the elderly.

키워드

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