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The effect of quadriceps-electrocutaneous stimulation on the T-reflex and the H-reflex of the soleus muscle

Title
The effect of quadriceps-electrocutaneous stimulation on the T-reflex and the H-reflex of the soleus muscle
Authors
Kim E.J.Yoon T.-S.
Ewha Authors
윤태식
SCOPUS Author ID
윤태식scopus
Issue Date
2003
Journal Title
Clinical Neurophysiology
ISSN
1388-2457JCR Link
Citation
vol. 114, no. 7, pp. 1189 - 1193
Indexed
SCI; SCIE; SCOPUS WOS scopus
Abstract
Objective: To investigate the effect of ipsilateral quadriceps-electrocutaneous stimulation on the T-reflex and the H-reflex of the soleus muscle, and to examine the interactions in human cutaneous sensation - the soleus motoneuron pathway. Methods: The T-reflex and H-reflex tests were performed bilaterally on 50 able-bodied adults with a standardized technique using the soleus muscle. The reflexes were conditioned by electrocutaneous stimuli applied to the ipsilateral quadriceps using the optimal transcutaneous electrical nerve stimulation (TENS) machine (3×perception, intensity 15-30 mA). The conditioning stimuli were followed by reflex tests by 30-50 ms (conditioning A) and 80-100 ms (conditioning B). The latency and amplitude of the T-reflex and H-reflex were measured before (control) and after conditioning stimuli (A and B) and at sham (placebo). Results: There were no significant differences between the right and left sides and between the control and placebo in both T-reflex and H-reflex. There were significant differences in both latency and amplitude of the T-reflex only between control and conditioning A. There were no significant differences between control and conditioning tests in the H-reflex. Conclusions: The above results suggest that supraspinal center and cutaneous fusimotor reflexes, which increase the sensitivity of the soleus muscle spindle, mediate the observed motoneuron excitability changes. © 2003 International Federation of Clinical Neurophysiology. Published by Elsevier Science Ireland Ltd. All rights reserved.
DOI
10.1016/S1388-2457(03)00106-8
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의과대학 > 의학과 > Journal papers
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