The Influence of Visual Input on Electromyographic Activity and Patterns of Masticatory and Cervical Spine Muscles in Emmetropic Caucasian Subjects by Gender

Grzegorz Zieliński (), Anna Matysik-Woźniak, Maria Rapa, Michał Baszczowski, Beata Pająk, Michał Ginszt, Jacek Szkutnik, Robert Rejdak and Piotr Gawda
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Grzegorz Zieliński: Department of Sports Medicine, Medical University of Lublin, 20-093 Lublin, Poland
Anna Matysik-Woźniak: Department of General and Pediatric Ophthalmology, Medical University of Lublin, 20-093 Lublin, Poland
Maria Rapa: Students’ Scientific Association at the Department and Clinic of General and Pediatric Ophthalmology, Medical University of Lublin, 20-093 Lublin, Poland
Michał Baszczowski: Interdisciplinary Scientific Group of Sports Medicine, Department of Sports Medicine, Medical University of Lublin, 20-093 Lublin, Poland
Beata Pająk: Interdisciplinary Scientific Group of Sports Medicine, Department of Sports Medicine, Medical University of Lublin, 20-093 Lublin, Poland
Michał Ginszt: Department of Rehabilitation and Physiotherapy, Medical University of Lublin, 20-093 Lublin, Poland
Jacek Szkutnik: Independent Unit of Functional Masticatory Disorders, Medical University of Lublin, 20-093 Lublin, Poland
Robert Rejdak: Department of General and Pediatric Ophthalmology, Medical University of Lublin, 20-093 Lublin, Poland
Piotr Gawda: Department of Sports Medicine, Medical University of Lublin, 20-093 Lublin, Poland

IJERPH, 2023, vol. 20, issue 5, 1-15

Abstract: (1) Background: The objective of the research was to analyze the change of visual input on electromyographic activity and patterns of masticatory and cervical spine muscles in emmetropic Caucasian subjects by gender. Supposedly, visual input should not influence activity and electromyographic patterns of masticatory and cervical spine muscles in emmetropic Caucasian subjects by gender. (2) Methods: After applying the inclusion criteria, 50 emmetropic Caucasian subjects were included in the study. Four muscle pairs were analyzed: the temporalis muscle (TA), the masseter muscle (MM), the digastric muscle (DA), and the sternocleidomastoid muscle (SCM), during resting and functional activity. (3) Results: It was observed that there were no significant statistical differences in activity and bioelectrical patterns between open and closed eyes in women and men, with the exception of clenching on dental cotton rollers in DA-left and DA mean between tests in women. The observed statistical results had a small effect size, successively equal to 0.32 and 0.29. (4) Conclusions: Changes in the influence of visual input do not affect electromyographic activity and patterns of masticatory and cervical spine muscles in emmetropic Caucasian women and men.

Keywords: emmetropic; activity index; asymmetry index; electromyography; masticatory muscles; temporomandibular joint; myopia; hyperopia; vision; optometry (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2023
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