Journal of the Korea Academia-Industrial cooperation Society (한국산학기술학회논문지)

The Korea Academia-Industrial cooperation Society (한국산학기술학회)
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The Comparison of Low Intensity Eccentric Exercise and Dynamic Stretching on Delayed Onset Muscle Soreness

저강도 원심성 운동과 동적 스트레칭이 지연성 근육통에 미치는 효과 비교

  • Lee, Su-Young (Department of Physical Therapy, Division of Health Science, Baekseok University) ;
  • Kim, Ji-Yoon (Department of Physical Therapy, The Joeun Hospital)
  • 이수영 (백석대학교 보건학부 물리치료학과) ;
  • 김지윤 (더조은병원 물리치료실)
  • Received : 2012.05.29
  • Accepted : 2012.10.11
  • Published : 2012.10.31
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Abstract

We investigated to compare the effects of a low intensity eccentric exercise and dynamic stretching on symptoms of delayed onset muscle soreness (DOMS). The eighteen women who had not participated in a regular exercise programme for the lower extremities in the previous five months were randomly assigned to one of three experimental groups: control group, a low intensity eccentric exercise group and dynamic stretching group. We measured the joint range of motion (ROM), maximal voluntary isometric exercise (MVIC), muscle soreness rating scale and ultrasound image measurement before eccentric exercise inducing DOMS, and 24, 48, and 72 hours after an eccentric exercise inducing DOMS. The exercise programme in a low intensity eccentric exercise group and dynamic stretching group were respectively performed 3 times a week for 4 weeks before eccentric exercise inducing DOMS. There was significantly different between the groups in muscle soreness rating scale and MVIC (p<.05). However, there was not significantly different between groups in ultrasound image measurement and ROM (p<.05). These results suggest that a low intensity eccentric exercise group and dynamic stretching group effectively reduced muscle soreness rating scale out of the symptoms of DOMS. A low intensity eccentric exercise group may be an effective improvement than dynamic stretching group in muscle soreness rating scale.

본 연구는 저강도 원심성 운동과 동적 스트레칭이 지연성 근육통에 미치는 효과를 비교하고자 시행하였다. 본 연구의 대상자는 연구에 참여하기 5개월 전부터 하지에 규칙적인 운동을 하지 않았던 18명의 20대 건강한 여성을 대상으로 하였다. 대상자들은 전체 3그룹인 대조군, 저강도 원심성 운동군 그리고 동적 스트레칭군에 무작위로 배정되었다. 측정변수로는 최대 수의적 등척성 수축력, 초음파 영상을 통한 근 두께, 근 통증 척도, 무릎관절 가동범위이며 지연성 근육통 유발 전, 유발 후 24시간, 48시간, 72시간에 각각 측정되었다. 저강도 원심성 운동군과 동적 스트레칭군의 운동 프로그램은 지연성 근육통 유발 4주 전에 일주일에 3회씩 각각 시행되었다. 본 연구의 결과 최대 수의적 등척성 수축력과 근 통증 척도에서만 그룹간 유의한 차이가 있었으며(p<.05), 저강도 원심성 운동은 동적 스트레칭에 비해 근 통증 척도가 유의하게 감소하였다(p<.05). 그러므로 저강도 원심성 운동과 동적 스트레칭이 지연성 근육통의 증상 중 근 통증에 효과적임을 제시하며 또한 저강도 원심성 운동이 동적 스트레칭보다 근 통증을 빠르게 감소시킴으로써 근 통증에 더 효과적임을 제시하고자 한다.

Keywords

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