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http://dx.doi.org/10.15268/ksim.2019.7.2.011

Effects of Specific Frequency and Application Timing of Microcurrent on the Mechanical Property of Muscle Caused by Delayed Onset Muscle Soreness  

Lee, Jeongwoo (Dept. of Physical Therapy, Kwangju Women's University)
Lee, Seul (Dept. of Physical Therapy, Kwangju Women's University)
Doo, Yeongtaek (Dept. of Physical Therapy, Kwangju Women's University)
Publication Information
Journal of The Korean Society of Integrative Medicine / v.7, no.2, 2019 , pp. 11-17 More about this Journal
Abstract
Purpose : The purpose of this study was to determine the effects of specific frequency and application timing of microcurrent (MC) on the mechanical property of muscle caused by delayed onset muscle soreness (DOMS). Methods : The subjects were 32 healthy adults with 8 subjects randomly assigned to four groups (I; 40 Hz MC while inducing DOMS, II; 40 Hz MC immediately after inducing DOMS, III; 284 Hz MC while inducing DOMS, IV; 284 Hz MC immediately after inducing DOMS). DOMS is applied to the biceps brachii muscle while MC was applied at an intensity of $300{\mu}A$ for 10 minutes. The mechanical properties of muscle were measured before and immediately after DOMS. Results : In terms of muscle tone, there were significant differences in interaction effects between time and groups. Regarding muscle elasticity and stiffness, there were no significant differences in interaction effects between time and groups but there were only significant differences in main effects based on time. Conclusion : The results indicated that 40 Hz MC had an effect on reducing muscle tone regardless of application timing. However, both 40 Hz and 284 Hz MC did not trigger changes in muscle elasticity and stiffness regardless of application timing.
Keywords
delayed onset muscle soreness; microcurrent; muscle mechanical property;
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Times Cited By KSCI : 2  (Citation Analysis)
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