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A Comparison of Vastus Medialis Oblique and Vastus Lateralis Electromyography Activities According to Different Tibial Rotation Taping Methods in Healthy People
J Korean Soc Phys Med 2018;13(2):33-41
Published online May 31, 2018;  https://doi.org/10.13066/kspm.2018.13.2.33
© 2018 Korean Society of Physical Medicine.

Gi-Uk Sung, PT⋅Yun-Jae Oh, PT1⋅Suhn-Yeop Kim, PT, PhD2†

Dept. of Physical Therapy, Hanyang University Hospital
1Dept. of Physical Therapy, Konyang University Hospital
2Dept. of Physical Therapy, College of Health and Medical Science, Deajeon University
Received February 7, 2018; Revised February 8, 2018; Accepted April 3, 2018.
This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
Abstract
PURPOSE: Femur and tibia alignment in the knee joint is important to the biomechanics of lower limb movement. The purpose of this study was to compare vastus medialis oblique (VMO) and vastus lateralis electromyographic muscle activities according to tibial rotation taping methods.
METHODS: Twenty-nine healthy subjects (13 males and 16 females) in the 20s, without knee joint-related diseases or disorders, participated in our study. After identifying each subject's dominant foot, the maximal voluntary isometric contraction (MVIC) was determined using a manual muscle tester. The activity of each target muscle was measured at 50% MVIC in isometric muscle contraction and at a 30° knee flexion position before and after applying internal and external rotation taping by the Mulligan concept and in the neutral position. Non-elastic tape was used to stabilize the tibia rotation position.
RESULTS: In the males, VMO muscle activity was significantly increased in the tibia internal rotation position (47.2±14.6, mean±SD) than in the neutral position (39.3±14.9) (p<.05).
CONCLUSION: The results of this study indicate that when applying tibia internal rotation taping in healthy males, VMO muscle activity significantly increases during isometric extension of the knee. Therefore, this study provides a basis for selecting the appropriate taping method, in consideration of the available treatments in clinical practice for patients with knee problems.
Keywords : Electromyography, Non-elastic taping, Tibia rotation taping, Vastus lateralis, Vastus medialis oblique


May 2018, 13 (2)
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