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KMID : 1021220220130032652
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국제물리치료학회지
2022 Volume.13 No. 3 p.2652 ~ p.2658
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A Study on the Difference in Masseter Muscle Tone and Stiffness in Chronic Stroke Patients Using MyotonPRO
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Cho Yong-Hun
Chae Yeon-Hee
Kim Min-Ju
Kim Sun-A
Shin Hyeon-Seong
Han Bo-Woon
Park Shin-Jun
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Abstract
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Background: For the rehabilitation of stroke patients, it is necessary to confirm the differences in the mechanical properties of the paretic- and non-pareticside masseter muscles.
Objectives: To investigate the muscle tone and stiffness of masseter muscles in patients with chronic stroke.
Design: A case study.
Methods: This study included 20 stroke patients. Muscle tone and stiffness of the paretic and non-paretic masseter muscles in stroke patients were measured using MyotonPRO. Measurements were performed under relaxation and masseter muscle contraction conditions.
Results: There was no significant difference in the muscle tone and stiffness of the paretic and non-paretic side masseter muscles in the relaxation conditions (P>.05). In male, left hemiplegia, right hemiplegia and infatction, the nonparetic side masseter muscles showed significantly increased than musle tone and stiffness of the paretic side masseter muscles in the contraction (P<.05). In female and hemorrhage, the non-paretic side masseter muscles showed significantly increased than musle tone the paretic side masseter muscles in the contraction (P<.05).
Conclusion: The muscle tone and stiffness were lower on the paretic side than on the non-paretic side during masseter muscle contraction in stroke patients; thus, muscle strengthening training was required.
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KEYWORD
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Stroke patients, Muscle tone, Muscle stiffness, Masseter muscle
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