Sensitivity of the jaw-jerk reflex in patients with myogenous temporomandibular disorder
Identifieur interne : 00A238 ( Main/Exploration ); précédent : 00A237; suivant : 00A239Sensitivity of the jaw-jerk reflex in patients with myogenous temporomandibular disorder
Auteurs : F. Lobbezoo [Pays-Bas] ; H. W. Van Der Glas [Pays-Bas] ; A. Van Der Bilt [Pays-Bas] ; R. Buchner [Pays-Bas] ; F. Bosman [Pays-Bas]Source :
- Archives of Oral Biology [ 0003-9969 ] ; 1996.
English descriptors
- KwdEn :
- -graphic, -graphy, Alpha motoneurone excitability, Alpha motoneurones, Amplitude, Anterior, Anterior temporalis, Anterior temporalis muscle, Anterior temporalis muscles, Arthrogenous factors, Background activity, Background level, Background muscle activity, Bipolar surface electrodes, Bosman, Bottom trace, Buchner, Clenching, Clenching efforts, Clenching level, Clenching levels, Computer program, Consecutive trials, Constant level, Contraction, Data points, Denture prosthetics, Different muscles, Disorder, Displacement relation, Displacement relations, Displacement signal, Displacement transducer, EMG, Elsevier science, Experimental apparatus, Experimental conditions, Experimental procedure, Feedback, Fibre, First peak, Further explanation, Fusimotor, Fusimotor drive, Fusimotor system, Glas, Group effect, Group side, Interaction effects, Intrafusal muscle fibres, Isometric contraction, Limb muscles, Linear interpolation, Linear regression analysis, Lobbezoo, Lund, Mandibular, Mandibular displacement, Masseter, Masseter muscles, Masticatory muscles, Maximal, Mild signs, Motoneurones, Muscle afferents, Muscle effect, Muscle fibres, Muscle length, Muscle pain, Muscle spindles, Muscle thickness, Myogenous, Myogenous disorders, Myogenous temporomandibular disorder, Myogenous temporomandibular disorders, Nociceptive mechanisms, Normalization, Null hypothesis, Oncoming stimuli, Oral pathophysiology, Oral rehab, Participant, Participant group, Patient group, Postural activity, Present study, Previous studies, Previous study, Reflex, Reflex amplitude, Reflex displacement relation, Reflex displacement relations, Reflex gain, Reflex sensitivity, Reflex threshold, Side effect, Signal processing, Significant differences, Slope value, Slope values, Soft tissues, Spontaneous activity, Square root, Standardized conditions, Surface electrodes, Surface recording electrodes, Temporalis, Temporomandibular, Temporomandibular disorders, Temporomandibular dysfunction, Threshold values, Transient mandibular load, Univariate analysis, University press, Utrecht university, Various muscles, Visual feedback, Voltage level, Voluntary contraction, Voluntary contractions, electromyography, jaw-jerk reflex, temporomandibular disorders.
- Teeft :
- Alpha motoneurone excitability, Alpha motoneurones, Amplitude, Anterior, Anterior temporalis, Anterior temporalis muscle, Anterior temporalis muscles, Arthrogenous factors, Background activity, Background level, Background muscle activity, Bipolar surface electrodes, Bosman, Bottom trace, Buchner, Clenching, Clenching efforts, Clenching level, Clenching levels, Computer program, Consecutive trials, Constant level, Contraction, Data points, Denture prosthetics, Different muscles, Disorder, Displacement relation, Displacement relations, Displacement signal, Displacement transducer, Elsevier science, Experimental apparatus, Experimental conditions, Experimental procedure, Feedback, Fibre, First peak, Further explanation, Fusimotor, Fusimotor drive, Fusimotor system, Glas, Group effect, Group side, Interaction effects, Intrafusal muscle fibres, Isometric contraction, Limb muscles, Linear interpolation, Linear regression analysis, Lobbezoo, Lund, Mandibular, Mandibular displacement, Masseter, Masseter muscles, Masticatory muscles, Maximal, Mild signs, Motoneurones, Muscle afferents, Muscle effect, Muscle fibres, Muscle length, Muscle pain, Muscle spindles, Muscle thickness, Myogenous, Myogenous disorders, Myogenous temporomandibular disorder, Myogenous temporomandibular disorders, Nociceptive mechanisms, Normalization, Null hypothesis, Oncoming stimuli, Oral pathophysiology, Oral rehab, Participant, Participant group, Patient group, Postural activity, Present study, Previous studies, Previous study, Reflex, Reflex amplitude, Reflex displacement relation, Reflex displacement relations, Reflex gain, Reflex sensitivity, Reflex threshold, Side effect, Signal processing, Significant differences, Slope value, Slope values, Soft tissues, Spontaneous activity, Square root, Standardized conditions, Surface electrodes, Surface recording electrodes, Temporalis, Temporomandibular, Temporomandibular disorders, Temporomandibular dysfunction, Threshold values, Transient mandibular load, Univariate analysis, University press, Utrecht university, Various muscles, Visual feedback, Voltage level, Voluntary contraction, Voluntary contractions.
Abstract
Abstract: Changes in the activity of human jaw-elevator muscles related to the mandibular stretch (jaw-jerk) reflex could be involved in the aetiology of temporomandibular disorders (TMD). In order to investigate whether there are differences in the sensitivity of the jaw-jerk reflex between myogenous TMD patients (n = 10) and gender- and age-matched controls (n = 10), jaw-jerk reflexes were elicited under standardized conditions. By measuring the reflex with bipolar surface electromyography (EMG), reflex sensitivity was determined from relations between reflex amplitude and jaw displacement from the masseter and the anterior temporalis muscles. Reflex amplitude and background EMG activity were normalized with respect to the maximal voluntary contraction (MVC) to correct for differences in the thickness of soft tissues overlying the muscle or in electrode placement. In addition to normalization with respect to MVC, for the patients, normalization was also applied with respect to a MVC that was scaled by multiplying values by the ratio of the mean MVC of controls to the mean MVC of patients. At a constant level of background EMG activity, the reflex sensitivity can be determined from the slope (reflex gain) and x-intercept (reflex threshold) of the reflex amplitude-jaw displacement relation. No significant differences between patients and controls were found for the gain or threshold values of either the masseter or the anterior temporalis muscles with a univariate analysis of variance. It is concluded that jaw-jerk reflex sensitivity is not significantly changed in myogenous TMD patients. Therefore, the fusimotor system probably does not play a part in the perpetuating myogenous TMD.
Url:
DOI: 10.1016/0003-9969(96)00018-0
Affiliations:
- Pays-Bas
- Hollande-Septentrionale, Utrecht (province)
- Amsterdam, Utrecht
- Université d'Amsterdam, Université d'Utrecht
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Bosman</name></author></titleStmt><publicationStmt><idno type="wicri:source">ISTEX</idno><idno type="RBID">ISTEX:7988D22C186E3DEED922DC6593420C3170FCECFC</idno><date when="1996" year="1996">1996</date><idno type="doi">10.1016/0003-9969(96)00018-0</idno><idno type="url">https://api.istex.fr/document/7988D22C186E3DEED922DC6593420C3170FCECFC/fulltext/pdf</idno><idno type="wicri:Area/Istex/Corpus">003B94</idno><idno type="wicri:explorRef" wicri:stream="Istex" wicri:step="Corpus" wicri:corpus="ISTEX">003B94</idno><idno type="wicri:Area/Istex/Curation">003B94</idno><idno type="wicri:Area/Istex/Checkpoint">004A61</idno><idno type="wicri:explorRef" wicri:stream="Istex" wicri:step="Checkpoint">004A61</idno><idno type="wicri:doubleKey">0003-9969:1996:Lobbezoo F:sensitivity:of:the</idno><idno type="wicri:Area/Main/Merge">00A802</idno><idno type="wicri:Area/Main/Curation">00A238</idno><idno type="wicri:Area/Main/Exploration">00A238</idno></publicationStmt><sourceDesc><biblStruct><analytic><title level="a" type="main" xml:lang="en">Sensitivity of the jaw-jerk reflex in patients with myogenous temporomandibular disorder</title><author><name sortKey="Lobbezoo, F" sort="Lobbezoo, F" uniqKey="Lobbezoo F" first="F." last="Lobbezoo">F. Lobbezoo</name><affiliation wicri:level="4"><country xml:lang="fr">Pays-Bas</country><wicri:regionArea>Department of Oral Function, Academic Centre for Dentistry, ACTA, University of Amsterdam, Louwejweg 1, 1066 EA Amsterdam</wicri:regionArea><orgName type="university">Université d'Amsterdam</orgName><placeName><settlement type="city">Amsterdam</settlement><region>Hollande-Septentrionale</region></placeName></affiliation><affiliation wicri:level="4"><country xml:lang="fr">Pays-Bas</country><wicri:regionArea>Laboratory of Oral Pathophysiology, Department of Oral-Maxillofacial Surgery, Prosthodontics and Special Dental Care, Utrecht University, P.O. Box 80.037, 3508 TA, Utrecht</wicri:regionArea><placeName><settlement type="city">Utrecht</settlement><region nuts="2" type="province">Utrecht (province)</region><settlement type="city">Utrecht</settlement></placeName><orgName type="university">Université d'Utrecht</orgName></affiliation></author><author><name sortKey="Van Der Glas, H W" sort="Van Der Glas, H W" uniqKey="Van Der Glas H" first="H. W." last="Van Der Glas">H. W. Van Der Glas</name><affiliation wicri:level="4"><country xml:lang="fr">Pays-Bas</country><wicri:regionArea>To whom correspondence should be addressed at Laboratory of Oral Pathophysiology, Department of Oral-Maxillofacial Surgery, Prosthodontics and Special Dental Care, Utrecht University, P.O. Box 80.037, 3508 TA Utrecht</wicri:regionArea><orgName type="university">Université d'Utrecht</orgName><placeName><settlement type="city">Utrecht</settlement><region nuts="2">Utrecht (province)</region></placeName></affiliation><affiliation wicri:level="4"><country xml:lang="fr">Pays-Bas</country><wicri:regionArea>Laboratory of Oral Pathophysiology, Department of Oral-Maxillofacial Surgery, Prosthodontics and Special Dental Care, Utrecht University, P.O. Box 80.037, 3508 TA, Utrecht</wicri:regionArea><placeName><settlement type="city">Utrecht</settlement><region nuts="2" type="province">Utrecht (province)</region><settlement type="city">Utrecht</settlement></placeName><orgName type="university">Université d'Utrecht</orgName></affiliation></author><author><name sortKey="Van Der Bilt, A" sort="Van Der Bilt, A" uniqKey="Van Der Bilt A" first="A." last="Van Der Bilt">A. Van Der Bilt</name><affiliation wicri:level="4"><country xml:lang="fr">Pays-Bas</country><wicri:regionArea>Laboratory of Oral Pathophysiology, Department of Oral-Maxillofacial Surgery, Prosthodontics and Special Dental Care, Utrecht University, P.O. Box 80.037, 3508 TA, Utrecht</wicri:regionArea><placeName><settlement type="city">Utrecht</settlement><region nuts="2" type="province">Utrecht (province)</region><settlement type="city">Utrecht</settlement></placeName><orgName type="university">Université d'Utrecht</orgName></affiliation></author><author><name sortKey="Buchner, R" sort="Buchner, R" uniqKey="Buchner R" first="R." last="Buchner">R. Buchner</name><affiliation wicri:level="4"><country xml:lang="fr">Pays-Bas</country><wicri:regionArea>Laboratory of Oral Pathophysiology, Department of Oral-Maxillofacial Surgery, Prosthodontics and Special Dental Care, Utrecht University, P.O. Box 80.037, 3508 TA, Utrecht</wicri:regionArea><placeName><settlement type="city">Utrecht</settlement><region nuts="2" type="province">Utrecht (province)</region><settlement type="city">Utrecht</settlement></placeName><orgName type="university">Université d'Utrecht</orgName></affiliation></author><author><name sortKey="Bosman, F" sort="Bosman, F" uniqKey="Bosman F" first="F." last="Bosman">F. Bosman</name><affiliation wicri:level="4"><country xml:lang="fr">Pays-Bas</country><wicri:regionArea>Laboratory of Oral Pathophysiology, Department of Oral-Maxillofacial Surgery, Prosthodontics and Special Dental Care, Utrecht University, P.O. Box 80.037, 3508 TA, Utrecht</wicri:regionArea><placeName><settlement type="city">Utrecht</settlement><region nuts="2" type="province">Utrecht (province)</region><settlement type="city">Utrecht</settlement></placeName><orgName type="university">Université d'Utrecht</orgName></affiliation></author></analytic><monogr></monogr><series><title level="j">Archives of Oral Biology</title><title level="j" type="abbrev">AOB</title><idno type="ISSN">0003-9969</idno><imprint><publisher>ELSEVIER</publisher><date type="published" when="1996">1996</date><biblScope unit="volume">41</biblScope><biblScope unit="issue">6</biblScope><biblScope unit="page" from="553">553</biblScope><biblScope unit="page" to="563">563</biblScope></imprint><idno type="ISSN">0003-9969</idno></series></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0003-9969</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>-graphic</term><term>-graphy</term><term>Alpha motoneurone excitability</term><term>Alpha motoneurones</term><term>Amplitude</term><term>Anterior</term><term>Anterior temporalis</term><term>Anterior temporalis muscle</term><term>Anterior temporalis muscles</term><term>Arthrogenous factors</term><term>Background activity</term><term>Background level</term><term>Background muscle activity</term><term>Bipolar surface electrodes</term><term>Bosman</term><term>Bottom trace</term><term>Buchner</term><term>Clenching</term><term>Clenching efforts</term><term>Clenching level</term><term>Clenching levels</term><term>Computer program</term><term>Consecutive trials</term><term>Constant level</term><term>Contraction</term><term>Data points</term><term>Denture prosthetics</term><term>Different muscles</term><term>Disorder</term><term>Displacement relation</term><term>Displacement relations</term><term>Displacement signal</term><term>Displacement transducer</term><term>EMG</term><term>Elsevier science</term><term>Experimental apparatus</term><term>Experimental conditions</term><term>Experimental procedure</term><term>Feedback</term><term>Fibre</term><term>First peak</term><term>Further explanation</term><term>Fusimotor</term><term>Fusimotor drive</term><term>Fusimotor system</term><term>Glas</term><term>Group effect</term><term>Group side</term><term>Interaction effects</term><term>Intrafusal muscle fibres</term><term>Isometric contraction</term><term>Limb muscles</term><term>Linear interpolation</term><term>Linear regression analysis</term><term>Lobbezoo</term><term>Lund</term><term>Mandibular</term><term>Mandibular displacement</term><term>Masseter</term><term>Masseter muscles</term><term>Masticatory muscles</term><term>Maximal</term><term>Mild signs</term><term>Motoneurones</term><term>Muscle afferents</term><term>Muscle effect</term><term>Muscle fibres</term><term>Muscle length</term><term>Muscle pain</term><term>Muscle spindles</term><term>Muscle thickness</term><term>Myogenous</term><term>Myogenous disorders</term><term>Myogenous temporomandibular disorder</term><term>Myogenous temporomandibular disorders</term><term>Nociceptive mechanisms</term><term>Normalization</term><term>Null hypothesis</term><term>Oncoming stimuli</term><term>Oral pathophysiology</term><term>Oral rehab</term><term>Participant</term><term>Participant group</term><term>Patient group</term><term>Postural activity</term><term>Present study</term><term>Previous studies</term><term>Previous study</term><term>Reflex</term><term>Reflex amplitude</term><term>Reflex displacement relation</term><term>Reflex displacement relations</term><term>Reflex gain</term><term>Reflex sensitivity</term><term>Reflex threshold</term><term>Side effect</term><term>Signal processing</term><term>Significant differences</term><term>Slope value</term><term>Slope values</term><term>Soft tissues</term><term>Spontaneous activity</term><term>Square root</term><term>Standardized conditions</term><term>Surface electrodes</term><term>Surface recording electrodes</term><term>Temporalis</term><term>Temporomandibular</term><term>Temporomandibular disorders</term><term>Temporomandibular dysfunction</term><term>Threshold values</term><term>Transient mandibular load</term><term>Univariate analysis</term><term>University press</term><term>Utrecht university</term><term>Various muscles</term><term>Visual feedback</term><term>Voltage level</term><term>Voluntary contraction</term><term>Voluntary contractions</term><term>electromyography</term><term>jaw-jerk reflex</term><term>temporomandibular disorders</term></keywords><keywords scheme="Teeft" xml:lang="en"><term>Alpha motoneurone excitability</term><term>Alpha motoneurones</term><term>Amplitude</term><term>Anterior</term><term>Anterior temporalis</term><term>Anterior temporalis muscle</term><term>Anterior temporalis muscles</term><term>Arthrogenous factors</term><term>Background activity</term><term>Background level</term><term>Background muscle activity</term><term>Bipolar surface electrodes</term><term>Bosman</term><term>Bottom trace</term><term>Buchner</term><term>Clenching</term><term>Clenching efforts</term><term>Clenching level</term><term>Clenching levels</term><term>Computer program</term><term>Consecutive trials</term><term>Constant level</term><term>Contraction</term><term>Data points</term><term>Denture prosthetics</term><term>Different muscles</term><term>Disorder</term><term>Displacement relation</term><term>Displacement relations</term><term>Displacement signal</term><term>Displacement transducer</term><term>Elsevier science</term><term>Experimental apparatus</term><term>Experimental conditions</term><term>Experimental procedure</term><term>Feedback</term><term>Fibre</term><term>First peak</term><term>Further explanation</term><term>Fusimotor</term><term>Fusimotor drive</term><term>Fusimotor system</term><term>Glas</term><term>Group effect</term><term>Group side</term><term>Interaction effects</term><term>Intrafusal muscle fibres</term><term>Isometric contraction</term><term>Limb muscles</term><term>Linear interpolation</term><term>Linear regression analysis</term><term>Lobbezoo</term><term>Lund</term><term>Mandibular</term><term>Mandibular displacement</term><term>Masseter</term><term>Masseter muscles</term><term>Masticatory muscles</term><term>Maximal</term><term>Mild signs</term><term>Motoneurones</term><term>Muscle afferents</term><term>Muscle effect</term><term>Muscle fibres</term><term>Muscle length</term><term>Muscle pain</term><term>Muscle spindles</term><term>Muscle thickness</term><term>Myogenous</term><term>Myogenous disorders</term><term>Myogenous temporomandibular disorder</term><term>Myogenous temporomandibular disorders</term><term>Nociceptive mechanisms</term><term>Normalization</term><term>Null hypothesis</term><term>Oncoming stimuli</term><term>Oral pathophysiology</term><term>Oral rehab</term><term>Participant</term><term>Participant group</term><term>Patient group</term><term>Postural activity</term><term>Present study</term><term>Previous studies</term><term>Previous study</term><term>Reflex</term><term>Reflex amplitude</term><term>Reflex displacement relation</term><term>Reflex displacement relations</term><term>Reflex gain</term><term>Reflex sensitivity</term><term>Reflex threshold</term><term>Side effect</term><term>Signal processing</term><term>Significant differences</term><term>Slope value</term><term>Slope values</term><term>Soft tissues</term><term>Spontaneous activity</term><term>Square root</term><term>Standardized conditions</term><term>Surface electrodes</term><term>Surface recording electrodes</term><term>Temporalis</term><term>Temporomandibular</term><term>Temporomandibular disorders</term><term>Temporomandibular dysfunction</term><term>Threshold values</term><term>Transient mandibular load</term><term>Univariate analysis</term><term>University press</term><term>Utrecht university</term><term>Various muscles</term><term>Visual feedback</term><term>Voltage level</term><term>Voluntary contraction</term><term>Voluntary contractions</term></keywords></textClass><langUsage><language ident="en">en</language></langUsage></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Abstract: Changes in the activity of human jaw-elevator muscles related to the mandibular stretch (jaw-jerk) reflex could be involved in the aetiology of temporomandibular disorders (TMD). In order to investigate whether there are differences in the sensitivity of the jaw-jerk reflex between myogenous TMD patients (n = 10) and gender- and age-matched controls (n = 10), jaw-jerk reflexes were elicited under standardized conditions. By measuring the reflex with bipolar surface electromyography (EMG), reflex sensitivity was determined from relations between reflex amplitude and jaw displacement from the masseter and the anterior temporalis muscles. Reflex amplitude and background EMG activity were normalized with respect to the maximal voluntary contraction (MVC) to correct for differences in the thickness of soft tissues overlying the muscle or in electrode placement. In addition to normalization with respect to MVC, for the patients, normalization was also applied with respect to a MVC that was scaled by multiplying values by the ratio of the mean MVC of controls to the mean MVC of patients. At a constant level of background EMG activity, the reflex sensitivity can be determined from the slope (reflex gain) and x-intercept (reflex threshold) of the reflex amplitude-jaw displacement relation. No significant differences between patients and controls were found for the gain or threshold values of either the masseter or the anterior temporalis muscles with a univariate analysis of variance. It is concluded that jaw-jerk reflex sensitivity is not significantly changed in myogenous TMD patients. Therefore, the fusimotor system probably does not play a part in the perpetuating myogenous TMD.</div></front></TEI><affiliations><list><country><li>Pays-Bas</li></country><region><li>Hollande-Septentrionale</li><li>Utrecht (province)</li></region><settlement><li>Amsterdam</li><li>Utrecht</li></settlement><orgName><li>Université d'Amsterdam</li><li>Université d'Utrecht</li></orgName></list><tree><country name="Pays-Bas"><region name="Hollande-Septentrionale"><name sortKey="Lobbezoo, F" sort="Lobbezoo, F" uniqKey="Lobbezoo F" first="F." last="Lobbezoo">F. Lobbezoo</name></region><name sortKey="Bosman, F" sort="Bosman, F" uniqKey="Bosman F" first="F." last="Bosman">F. Bosman</name><name sortKey="Buchner, R" sort="Buchner, R" uniqKey="Buchner R" first="R." last="Buchner">R. Buchner</name><name sortKey="Lobbezoo, F" sort="Lobbezoo, F" uniqKey="Lobbezoo F" first="F." last="Lobbezoo">F. Lobbezoo</name><name sortKey="Van Der Bilt, A" sort="Van Der Bilt, A" uniqKey="Van Der Bilt A" first="A." last="Van Der Bilt">A. Van Der Bilt</name><name sortKey="Van Der Glas, H W" sort="Van Der Glas, H W" uniqKey="Van Der Glas H" first="H. W." last="Van Der Glas">H. W. Van Der Glas</name><name sortKey="Van Der Glas, H W" sort="Van Der Glas, H W" uniqKey="Van Der Glas H" first="H. W." last="Van Der Glas">H. W. Van Der Glas</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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