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Comparison of Efficacy between Acupuncture Treatment at Muscle Belly and Acupuncture Treatment at Myotendinal Junction on Delayed-Onset Muscle Soreness

  • Journal of Korean Medicine Rehabilitation
  • Abbr : JKMR
  • 2012, 22(2), pp.219-228
  • Publisher : The Korean Academy Of Oriental Rehabilitation Medicine
  • Research Area : Medicine and Pharmacy > Korean Medicine

Chang-Ho Yeon 1 Chung, Seok Hee 2

1경희대학교 한의과대학 한방재활의학과교실
2경희대학교

Accredited

ABSTRACT

Objectives :To estimate the difference on effects of superficial acupuncture at biceps brachii muscle belly and musculotendinal junction on symptoms in exercise-induced delayed onset muscle soreness(DOMS). Methods :A prospective, randomized, controlled, observer and subject-blinded trial was taken. 33 healthy subjects were randomly assigned to three treatment groups : muscle belly(needling at the center of biceps brachii belly; n=11), musculotendinal junction(needling at the margin of biceps brachii belly; n=11), and control(sham needling; n=11). DOMS of the non-dominant elbow-flexors was experimentally induced through eccentric contractions until exhaustion. The outcome measures were pain perception(visual analogue scale, VAS; range: 0-10 cm), mechanical pain threshold(MPT) by pressure algometer, electrical contraction and fatigue by superficial electromyography. Treatment was applied immediately, 24 and 48 hours after DOMS induction. Measurements of MPT were made prior to DOMS induction as well as before and after every treatment session. VAS data were acquired after DOMS induction as well as pre-and post-treatment. Final pain, MPT were performed 72 hours after DOMS induction. Results :Following nonparametric testing, there were no significant differences between groups in outcome measures at baseline without MPT. After 72 hours, pain perception(VAS) was significantly lower in the musculotendinal junction group compared to the muscle belly and control subjects. However, the mean MPT, electrical contraction and fatigue scores were not significantly different between groups. Conclusions :Although acupuncture seemed to have no effects on mechanical pain threshold, electrical contraction and fatigue, it proved to reduce perceived pain arising from exercise-induced muscle soreness.

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