PNF and Movement 2024; 22(2): 243-255
https://doi.org/10.21598/JKPNFA.2024.22.2.243
Changes in Muscle Activity and Contraction Rate in Patients with Hallux Valgus Using Mulligan Taping
In-Young Kong, P.T., M.Sc.1⋅Ju-Ri Eom, P.T., M.Sc.2⋅Sung-Hee Chae, P.T., M.Sc.3⋅Jong-Soon Kim, P.T., Ph.D.4†
1Department of Physical Therapy, Wooriyunhap Hospital
2Biomedical Research Institute, Pusan National University Hospital
3Department of Physical Therapy, Yangsan Jaeil Hospital
4Department of Physical Therapy, College of Health Science, Catholic University of Pusan
Correspondence to: †Jong-Soon Kim (ptjskim@cup.ac.kr)
Received: July 5, 2024; Revised: July 29, 2024; Accepted: August 2, 2024; Published online: August 31, 2024.
© Korea Proprioceptive Neuromuscular Facilitation Association. All rights reserved.

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: Although foot muscle imbalance has been confirmed in patients with hallux valgus deformity, there is insufficient information on how corrective taping affects muscle activity and contraction rate of the foot muscles. The purpose of this study was to confirm the effectiveness of Mulligan taping as a treatment method for hallux valgus deformity by examining changes in muscle activity and contraction rate when Mulligan taping with inelastic tape was applied to these patients.
Methods: Thirty-two patients with hallux valgus deformity were randomly divided into two groups, experimental and control. In the experimental group, Mulligan taping with inelastic tape was applied to correct the hallux valgus angle of the big toe, and in the control group, placebo taping was performed in which inelastic tape was applied in a straight line without modifying the angle of the big toe. Muscle activity and muscle contraction rate were measured before and after the intervention, and changes were compared and analyzed.
Results: In the experimental group where Mulligan taping was applied, the muscle activity and muscle contraction rate of the abductor hallucis muscle significantly increased after the intervention (P < 0.05). On the other hand, the muscle activity and muscle contraction rate of the adductor hallucis muscle and tibialis posterior muscle significantly decreased (P < 0.05). There was no significant difference in muscle activity and muscle contraction rate in the control group, where placebo taping was applied (P > 0.05).
Conclusion: Mulligan taping significantly changed muscle activity and contraction rates compared to placebo taping. By correcting the position of the big toe, the activity and contraction rate of the abductor hallucis muscle increased, while the activity and contraction rate of the adductor hallucis muscle and tibialis posterior muscle decreased. Therefore, Mulligan taping is considered an intervention that can prevent symptom worsening and enhance foot function by improving muscle imbalance in patients with hallux valgus deformity.
Keywords: Hallux valgus deformity, Mulligan taping, Muscle activity, Muscle contraction rate

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