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Analysis of body surface temperature by Pulsed Magnetic Fields system for evaluation of therapeutic effect of Delayed Onset Muscle Soreness

지연성 근육통증 회복 평가를 위한 경혈 부위에서의 자기장자극에 대한 체열변화 분석

  • 이나라 (연세대학교 보건과학대학 의공학부) ;
  • 이승욱 (연세대학교 보건과학대학 의공학부) ;
  • 김영대 (연세대학교 보건과학대학 의공학부) ;
  • 김수병 (연세대학교 보건과학대학 의공학부) ;
  • 이경중 (연세대학교 보건과학대학 의공학부) ;
  • 이용흠 (연세대학교)
  • Received : 2010.12.15
  • Accepted : 2011.02.17
  • Published : 2011.03.31

Abstract

The aim of this study was to develop a Pulsed Magnetic Fields(PMFs) system which can produce effects locally and simulate muscular tissues equally. To evaluate the PMFs system we caused DOMS(Delayed Onset Muscle Soreness) to subjects in biceps of the arm. Then, we stimulated acupoint HT2 using PMFs(20 minutes) and TEAS(20 minutes) for 2 days. The other subjects did not stimulate. Then we checked body surface temperature in biceps of the arm. All subjects had an asymmetrical body surface temperature in biceps after exercise(Non-stimulation group=$2.00{\pm}1.16^{\circ}C$, TEAS group=$1.73{\pm}0.52^{\circ}C$, PMFs group=$1.48{\pm}0.51^{\circ}C$). After 1st stimulation all subjects had decreased temperature differences(Non-stimulation group=$1.37{\pm}0.71^{\circ}C$, TEAS group=$1.08{\pm}0.43^{\circ}C$, PMFs group=$1.23{\pm}0.15^{\circ}C$). PMFs group had a symmetry body surface temperature after 24 hours($0.05{\pm}0.06^{\circ}C$) and TEAS group had that after 48 hours($0.1{\pm}0.08^{\circ}C$). Non-stimulation group did not recovery after 48 hours($0.37{\pm}0.06^{\circ}C$). Therefore, PMFs on acupoint had an therapeutic effect in DOMS.

본 연구에서는 국소적 부위에 균일한 자극이 가능한 Pulsed Magnetic Fields(PMFs) 시스템을 개발하였으며, 지연성 근육통증에 대한 본 시스템의 효과를 확인하고자 하였다. 지연성 근육통을 유발시키기 위해 비주동팔에서 무게 5Kg의 아령으로 80회의 등장성운동을 실시하였다. 피험자를 세 군(PMFs군, TEAS군, 무자극군)으로 분류한 뒤 상완 이두박근에 위치한 청영혈(HT2)에 자극하였다. 지연성 근육통의 회복여부를 판별하기 위하여, 상완이두박근에서의 ${\mid}$좌/우 온도차${\mid}$를 DITI를 이용하여 비교 분석하였다. 그 결과, 운동 후의 ${\mid}$좌/우 온도차${\mid}$는 무자극군=$2.00{\pm}1.16^{\circ}C$, TEAS군=$1.73{\pm}0.52^{\circ}C$, PMFs군=$1.48{\pm}0.51^{\circ}C$로 나타났으며, 첫 번째 자극 후에는 무자극군=$1.37{\pm}0.71^{\circ}C$, TEAS군=$1.08{\pm}0.43^{\circ}C$, PMFs군=$1.23{\pm}0.15^{\circ}C$로 나타났다. 24시간이 지난 후에 자기장 군이 가장 먼저 $0.05{\pm}0.06^{\circ}C$의 좌/우 온도차이로 정상 체열 분포를 회복했으며, TEAS군은 48시간이 지난 후에 $0.1{\pm}0.08^{\circ}C$로 정상 체열 분포를 회복하였다. 무자극 군은 48시간이 지난 후까지 $0.37{\pm}0.06^{\circ}C$${\mid}$좌/우 비대칭적 온도차${\mid}$를 유지하였다. 결론적으로, 각 자극원에 따른 체열변화를 비교 분석한 결과, PMFs가 지연성 근육통에 대하여 가장 유의한 치료효과를 보임을 확인하였다.

Keywords

References

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