한국전문물리치료학회지 (Physical Therapy Korea)

  • 제20권2호
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  • Pages.11-19
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  • 2013
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  • 1225-8962(pISSN)
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  • 2287-982X(eISSN)
한국전문물리치료학회 (Korean Research Society of Physical Therapy)
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펄스자기장이 위팔 두갈래근의 지연성 근육통에 미치는 영향

The Influences of Pulsed Electromagnetic Field Treatment Following Experimentally Induced Delayed-Onset Muscle Soreness in Biceps Brachii

  • 강선영 (연세대학교 대학원 물리치료학과) ;
  • 박주희 (연세대학교 대학원 물리치료학과) ;
  • 전혜선 (연세대학교 보건과학대학 물리치료학과, 보건환경대학원 인간공학치료학과) ;
  • 이현숙 (상지대학교 보건과학대학 한방의료공학과)
  • Kang, Sun-Young (Dept. of Physical Therapy, The Graduate School, Yonsei University) ;
  • Park, Joo-Hee (Dept. of Physical Therapy, The Graduate School, Yonsei University) ;
  • Jeon, Hye-Seon (Dept. of Physical Therapy, College of Health Science, Yonsei University, Dept. of Ergonomic Therapy, The Graduate School of Health and Environment, Yonsei University) ;
  • Lee, Hyun-Sook (Dept.of Oriental Biomedical Engineering, College of Health Science, Sangji University)
  • 투고 : 2013.03.03
  • 심사 : 2013.05.01
  • 발행 : 2013.05.21
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초록

Delayed onset muscle soreness (DOMS) is a painful condition that arises from exercise-induced muscle damage after unaccustomed physical activities. Various therapeutic interventions have been applied to reduce the intensity and duration of DOMS-related symptoms. Recently, pulsed electromagnetic field (PEMF) intervention has been introduced as an alternative noninvasive treatment for DOMS. This randomized, double-blind, placebo-controlled experiment was conducted to examine the effects of PEMF therapy on DOMS in elbow flexors at 24, 48, and 72 hours after the experimental DOMS induction. Thirty healthy volunteers ($23{\pm}2.4$ yrs, $175{\pm}5.7$ cm, and $74{\pm}7.8$ kg) participated in this study. Each was randomly assigned to a PEMF or placebo group. On the first day, DOMS was induced in the elbow flexors by repeated isokinetic motions at low ($60^{\circ}/s$) and fast ($120^{\circ}/s$) speeds in all subjects. Thereafter, the PEMF group received 15-min daily treatment with a PEMF device. The placebo group received sham treatment of the same duration. Overall, PEMF application was more effective than the sham treatment in reducing the physiological symptoms associated with the DOMS including perceived soreness, median frequency, and electromechanical delay of the surface electromyography. In addition, median frequency and isokinetic peak torque of the PEMF group recovered to the pre-DOMS induction level earlier than the placebo group. In conclusion, this study suggests that PEMF can be applied as a new recovery strategy in reducing DOMS symptoms. Further experiments are required to examine the effect of the PEMF treatment on different types of exercise conditions and to determine the optimal treatment dosage and duration in a real clinical setting.

키워드

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