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Cited by 103Muscle activation and electromyography studiesMotor Control and AdaptationTemporomandibular Joint Disorders

Distribution of the human jaw stretch reflex response elicited by percutaneous, localized stretch of jaw-closing muscles

Smith, Anne, Moore, Christopher A., Pratt, Carol A.·1985·Experimental Neurology
DOI 10.1016/0014-4886(85)90070-6
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Abstract

In the present study homonymous and heteronymous projections of muscle spindle afferent fibers in the human jaw-closing system were investigated. Stretch reflex responses were elicited with percutaneous displacement stimuli applied to the belly of the anterior superficial divisions of temporalis and masseter muscles. The distribution of reflex responses in jaw-closing muscles was assessed. Reflex responses to this stimulus were observed in all jaw-closing muscles ipsilateral to the stimulated muscle, suggesting that the projection of spindle afferent fibers to jaw-closing muscles in humans is diffuse. Comparisons of homonymous and heteronymous reflex response amplitudes indicated that homonymous response amplitudes tended to be larger. However, the relative strength of heteronymous inputs to masseter motoneurons appeared to be stronger than those to temporalis motoneurons.

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Crossref · 10.1016/0014-4886(85)90070-6

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Authors
Smith, A., Moore, C. A., & Pratt, C. A.
Affiliations
National Institutes of Health (US)
ORCID
Moore, Christopher A.
Venue
Experimental Neurology
Publisher
Elsevier BV
Published
1985-06
Volume
88
Issue
3
Pages
544-561
ISSN
0014-4886 (ISSN-L)
DOI
10.1016/0014-4886(85)90070-6
OpenAlex
W2007296712
Cited by
103
References
21
Citations by year
2020: 1 · 2015: 1 · 2012: 1
FWCI
0.54
Type
journal article
Language
en
Open access
closed
Licence
www.elsevier.com/tdm/userlicense/1.0/ (tdm)
Locations
  • Experimental Neurology (publishedVersion)
  • PubMed (publishedVersion)
Funders
National Institute of Neurological Disorders and Stroke (NS19173)
Topics
  • Physical Sciences › Engineering › Biomedical Engineering › Muscle activation and electromyography studies
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Motor Control and Adaptation
  • Health Sciences › Health Professions › Complementary and Manual Therapy › Temporomandibular Joint Disorders
Keywords
muscle spindle afferents, jaw-closing muscles, masseter muscle, temporalis muscle, motor neurons
MeSH terms
Adult, Electromyography, Female, Humans, Jaw, Male, Muscles, Physical Stimulation, Reaction Time, Reflex, Stretch

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