Influence of tooth clench on the soleus H-reflex
Abstract
The Hoffmann (H) reflex is elicited by electrical stimulation of a mixed nerve and is used to measure the excitability of the spindle-motoneuron synapse. Recent investigations have indicated a positive correlation between increases in bite force and H-reflex facilitation. However, these investigations did not examine the H-reflex in detail or the possible role of periodontal mechanoreceptors (PMRs) in this facilitation. The current investigation was performed to determine whether PMRs play a role in H-reflex facilitation during tooth clench (TC). The H-reflex was elicited in the soleus muscle of human subjects while bite level was maintained at rest (0 N), 40 N, 80 N and maximal TC. The front teeth that contributed to the (40 N and 80 N) bite force were then locally anaesthetised (LA), and the protocol was repeated. The current data suggest that the effect of TC on the H-reflex amplitude in the human limb muscles is variable from one subject to the next. Statistical analysis has shown that the H-reflex was significantly smaller during the rest condition than during the 80 N bite (p<0.05) in both non-LA and LA conditions. Since LA did not alter the response, our results do not support that the PMRs play a major role in the facilitation of distal muscle activity.
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The effect of TC on the stretch reflex response of the soleus was previously not known, although an excitatory effect was reported for H-reflex.
“The effect of TC on the stretch reflex response of the soleus was previously not known, although an excitatory effect was reported for H-reflex (Mitsuyama et al., 2017, Tuncer et al., 2007).”
From Standardization of the Jendrassik maneuver in Achilles tendon tap reflex (2018) · cites this paper as Tuncer et al., 2007
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Standardization of the Jendrassik maneuver in Achilles tendon tap reflex
Ertuglu, L. A., Karacan, I., Yilmaz, G., & Türker, K. S. (2018) · Clinical Neurophysiology Practice · doi:10.1016/j.cnp.2017.10.003 · Cited by 20 · see citing works
Self-citation
- Authors
- Tuncer, M., Tucker, K. J., & Türker, K. S.
- Affiliations
- The University of Adelaide (AU)
- Corresponding author
- Türker, Kemal S.
- Venue
- Archives of Oral Biology
- Publisher
- Elsevier BV
- Published
- 2007-04
- Volume
- 52
- Issue
- 4
- Pages
- 374-376
- ISSN
- 0003-9969 (ISSN-L)
- OpenAlex
- W2171955998
- Cited by
- 19
- References
- 14
- Citations by year
- 2025: 2 · 2024: 1 · 2023: 2 · 2022: 1 · 2021: 2 · 2020: 1 · 2017: 1 · 2016: 3 · 2015: 2 · 2014: 1 · 2013: 2
- FWCI
- 0.00
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Archives of Oral Biology (publishedVersion)
- PubMed (publishedVersion)
- Adelaide Research & Scholarship (AR&S) (University of Adelaide) (submittedVersion)
- Funders
- Medical Research Council
- Topics
- Physical Sciences › Engineering › Biomedical Engineering › Muscle activation and electromyography studies
- Health Sciences › Health Professions › Complementary and Manual Therapy › Temporomandibular Joint Disorders
- Health Sciences › Medicine › Physiology › Pain Mechanisms and Treatments
- Keywords
- H-reflex, teeth clenching, bite force, periodontal mechanoreceptors, soleus muscle, reflex facilitation, local anesthesia, jaw muscle activity
- MeSH terms
- Adult, Bite Force, H-Reflex, Humans, Isometric Contraction, Mechanoreceptors, Periodontium, Reaction Time, Reflex, Stretch, Muscle, Skeletal
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