The Effect of Electroacupuncture with Different Frequencies on Muscle Oxygenation in HumansReportar como inadecuado




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Evidence-Based Complementary and Alternative Medicine - Volume 2015 2015, Article ID 620785, 6 pages -

Research ArticleDepartment of Health Sciences, Kansai University of Health Sciences, Osaka 590-0482, Japan

Received 17 September 2014; Revised 9 December 2014; Accepted 9 December 2014

Academic Editor: Ching-Liang Hsieh

Copyright © 2015 Kenichi Kimura et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

The aim of the present study was to investigate the effect of electroacupuncture EA with different frequencies on muscle oxygenation in humans. The subjects were 8 healthy male volunteers. Muscle oxygenation was measured using near-infrared spectroscopy NIRS. Blood pressure BP and heart rate HR were monitored simultaneously. After baseline recording, EA was given for 15 min and recovery was measured for 20 minutes. The procedure of EA at 1 Hz, at 20 Hz, and at control followed in the same subjects. Tissue oxygenation index TOI decreased during EA at 20 Hz and increased during the recovery period. Normalized tissue hemoglobin index nTHI also decreased during EA at 20 Hz and increased during the recovery period , whereas TOI and nTHI in the EA at 1 Hz did not change significantly throughout the experiment. The peak TOI and nTHI values at 20 Hz during the recovery period were higher than the values at 1 Hz and in the control . BP and HR remained constant. These data suggest that the supply of oxygen to muscle decreased during EA at 20 Hz and increased after EA at 20 Hz, without any changes in HR and BP.





Autor: Kenichi Kimura, Takayoshi Ryujin, Makoto Uno, and Ikuro Wakayama

Fuente: https://www.hindawi.com/



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