Observations on the motor control of brief teeth clenching in man
Identifieur interne : 00BD22 ( Main/Merge ); précédent : 00BD21; suivant : 00BD23Observations on the motor control of brief teeth clenching in man
Auteurs : L. V. Christensen [États-Unis] ; A. B. Carr [États-Unis] ; S. J. Donegan [États-Unis] ; G. J. Ziebert [États-Unis]Source :
- Journal of Oral Rehabilitation [ 0305-182X ] ; 1991-01.
English descriptors
- KwdEn :
- Activity index, Additional force, Afferent signals, Anterior temporalis, Anterior temporalis muscle, Anticipation time, Arcsine transformations, Artificial feedback control, Average efforts, Average values, Average velocity, Brain research, Cerebral cortex, Chin taps, Christensen, Christensen donegan, Clenching, Clinical neurophysiology, Command signal, Contraction, Contraction amplitude, Contraction pause, Contraction time, Contraction velocity, Control scheme, Control system, Deceleration, Deceleration factor, Devlin, Devlin wastell, Differential equation, Donegan, Electromyographic, Electromyographic activity, Emg, Entire rise phase, Extrafusal, Extrafusal motor units, First pause, First phase, Force control, Fusimotor drive, Hellsing klineberg, Human masseter muscle, Human masticatory muscles, Initial phase, Intrafusal motor units, Isometric, Isometric contraction, Isometric contraction time, Isometric relaxation, Isometric relaxation time, Last voltage peak, Latter case, Linear correlation, Linear correlation coefficient, Linear manner, Long latency reflex responses, Lund sessle, Masseter, Masseter muscle, Masseter muscles, Masseteric motor units, Maximum intercuspation, Maximum isometric, Maximum voltage, Maximum voltage amplitude, Minimum voltage, Motor control, Motor control system, Motor cortex, Motor engram, Motor task, Motor units, Muscle reflexes, Muscle spindles, Myoelectrical, Myoelectrical activity, Neural basis, Oral biology, Oral rehabilitation, Orderly manner, Orderly recruitment, Other hand, Other words, Periodontal sensors, Physiology, Preformulated scheme, Preprogrammed, Reflex, Results section, Rise phase, Sessle, Sessle wiesendanger, Silent periods, Spindle responses, Static work efforts, Subject instruction, Surface electromyograms, Surface electromyography, Surface eleetromyograms, Teeth clenching, Temporalis, Time interval, Time point, Time variables, Total duration, Transcortical, Transcortical loop, Vallbo, Voltage, Voltage activity, Voltage amplitude, Voltage amplitudes, Voltage record, Voltage recordings, Voltage variables, Voluntary isometric contraction, Voluntary teeth clenching, Warning signal, Wastell, Wastell devlin, Work effort.
- Teeft :
- Activity index, Additional force, Afferent signals, Anterior temporalis, Anterior temporalis muscle, Anticipation time, Arcsine transformations, Artificial feedback control, Average efforts, Average values, Average velocity, Brain research, Cerebral cortex, Chin taps, Christensen, Christensen donegan, Clenching, Clinical neurophysiology, Command signal, Contraction, Contraction amplitude, Contraction pause, Contraction time, Contraction velocity, Control scheme, Control system, Deceleration, Deceleration factor, Devlin, Devlin wastell, Differential equation, Donegan, Electromyographic, Electromyographic activity, Emg, Entire rise phase, Extrafusal, Extrafusal motor units, First pause, First phase, Force control, Fusimotor drive, Hellsing klineberg, Human masseter muscle, Human masticatory muscles, Initial phase, Intrafusal motor units, Isometric, Isometric contraction, Isometric contraction time, Isometric relaxation, Isometric relaxation time, Last voltage peak, Latter case, Linear correlation, Linear correlation coefficient, Linear manner, Long latency reflex responses, Lund sessle, Masseter, Masseter muscle, Masseter muscles, Masseteric motor units, Maximum intercuspation, Maximum isometric, Maximum voltage, Maximum voltage amplitude, Minimum voltage, Motor control, Motor control system, Motor cortex, Motor engram, Motor task, Motor units, Muscle reflexes, Muscle spindles, Myoelectrical, Myoelectrical activity, Neural basis, Oral biology, Oral rehabilitation, Orderly manner, Orderly recruitment, Other hand, Other words, Periodontal sensors, Physiology, Preformulated scheme, Preprogrammed, Reflex, Results section, Rise phase, Sessle, Sessle wiesendanger, Silent periods, Spindle responses, Static work efforts, Subject instruction, Surface electromyograms, Surface electromyography, Surface eleetromyograms, Teeth clenching, Temporalis, Time interval, Time point, Time variables, Total duration, Transcortical, Transcortical loop, Vallbo, Voltage, Voltage activity, Voltage amplitude, Voltage amplitudes, Voltage record, Voltage recordings, Voltage variables, Voluntary isometric contraction, Voluntary teeth clenching, Warning signal, Wastell, Wastell devlin, Work effort.
Abstract
Without artificial feedback control, maximum voluntary isometric contractions were performed for about 1 s by six subjects. Randomly selected surface electromyograms of the anterior temporalis and masseter muscles suggested that, in some cases, the motor control of the entire isometric contraction might have been preprogrammed through the phenomenon of anticipation. In the majority of cases, the control of the initial contraction phase might have been preprogrammed, followed by a phase of servo‐controlled motor activity. As a functional basis for the servo‐control of isometric force generation, it was suggested that compartmentalized ‘extrafusal and intrafusal motor units’ were recruited and decruited in an orderly manner, and periods of alphamotor inhibition were interpreted as signs of switching from one control scheme to another, possibly via a transcortical loop.
Url:
DOI: 10.1111/j.1365-2842.1991.tb00026.x
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ISTEX:FE12C130F5CF71D7457672830E9FA750C868E5F2Le document en format XML
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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Activity index</term>
<term>Additional force</term>
<term>Afferent signals</term>
<term>Anterior temporalis</term>
<term>Anterior temporalis muscle</term>
<term>Anticipation time</term>
<term>Arcsine transformations</term>
<term>Artificial feedback control</term>
<term>Average efforts</term>
<term>Average values</term>
<term>Average velocity</term>
<term>Brain research</term>
<term>Cerebral cortex</term>
<term>Chin taps</term>
<term>Christensen</term>
<term>Christensen donegan</term>
<term>Clenching</term>
<term>Clinical neurophysiology</term>
<term>Command signal</term>
<term>Contraction</term>
<term>Contraction amplitude</term>
<term>Contraction pause</term>
<term>Contraction time</term>
<term>Contraction velocity</term>
<term>Control scheme</term>
<term>Control system</term>
<term>Deceleration</term>
<term>Deceleration factor</term>
<term>Devlin</term>
<term>Devlin wastell</term>
<term>Differential equation</term>
<term>Donegan</term>
<term>Electromyographic</term>
<term>Electromyographic activity</term>
<term>Emg</term>
<term>Entire rise phase</term>
<term>Extrafusal</term>
<term>Extrafusal motor units</term>
<term>First pause</term>
<term>First phase</term>
<term>Force control</term>
<term>Fusimotor drive</term>
<term>Hellsing klineberg</term>
<term>Human masseter muscle</term>
<term>Human masticatory muscles</term>
<term>Initial phase</term>
<term>Intrafusal motor units</term>
<term>Isometric</term>
<term>Isometric contraction</term>
<term>Isometric contraction time</term>
<term>Isometric relaxation</term>
<term>Isometric relaxation time</term>
<term>Last voltage peak</term>
<term>Latter case</term>
<term>Linear correlation</term>
<term>Linear correlation coefficient</term>
<term>Linear manner</term>
<term>Long latency reflex responses</term>
<term>Lund sessle</term>
<term>Masseter</term>
<term>Masseter muscle</term>
<term>Masseter muscles</term>
<term>Masseteric motor units</term>
<term>Maximum intercuspation</term>
<term>Maximum isometric</term>
<term>Maximum voltage</term>
<term>Maximum voltage amplitude</term>
<term>Minimum voltage</term>
<term>Motor control</term>
<term>Motor control system</term>
<term>Motor cortex</term>
<term>Motor engram</term>
<term>Motor task</term>
<term>Motor units</term>
<term>Muscle reflexes</term>
<term>Muscle spindles</term>
<term>Myoelectrical</term>
<term>Myoelectrical activity</term>
<term>Neural basis</term>
<term>Oral biology</term>
<term>Oral rehabilitation</term>
<term>Orderly manner</term>
<term>Orderly recruitment</term>
<term>Other hand</term>
<term>Other words</term>
<term>Periodontal sensors</term>
<term>Physiology</term>
<term>Preformulated scheme</term>
<term>Preprogrammed</term>
<term>Reflex</term>
<term>Results section</term>
<term>Rise phase</term>
<term>Sessle</term>
<term>Sessle wiesendanger</term>
<term>Silent periods</term>
<term>Spindle responses</term>
<term>Static work efforts</term>
<term>Subject instruction</term>
<term>Surface electromyograms</term>
<term>Surface electromyography</term>
<term>Surface eleetromyograms</term>
<term>Teeth clenching</term>
<term>Temporalis</term>
<term>Time interval</term>
<term>Time point</term>
<term>Time variables</term>
<term>Total duration</term>
<term>Transcortical</term>
<term>Transcortical loop</term>
<term>Vallbo</term>
<term>Voltage</term>
<term>Voltage activity</term>
<term>Voltage amplitude</term>
<term>Voltage amplitudes</term>
<term>Voltage record</term>
<term>Voltage recordings</term>
<term>Voltage variables</term>
<term>Voluntary isometric contraction</term>
<term>Voluntary teeth clenching</term>
<term>Warning signal</term>
<term>Wastell</term>
<term>Wastell devlin</term>
<term>Work effort</term>
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<keywords scheme="Teeft" xml:lang="en"><term>Activity index</term>
<term>Additional force</term>
<term>Afferent signals</term>
<term>Anterior temporalis</term>
<term>Anterior temporalis muscle</term>
<term>Anticipation time</term>
<term>Arcsine transformations</term>
<term>Artificial feedback control</term>
<term>Average efforts</term>
<term>Average values</term>
<term>Average velocity</term>
<term>Brain research</term>
<term>Cerebral cortex</term>
<term>Chin taps</term>
<term>Christensen</term>
<term>Christensen donegan</term>
<term>Clenching</term>
<term>Clinical neurophysiology</term>
<term>Command signal</term>
<term>Contraction</term>
<term>Contraction amplitude</term>
<term>Contraction pause</term>
<term>Contraction time</term>
<term>Contraction velocity</term>
<term>Control scheme</term>
<term>Control system</term>
<term>Deceleration</term>
<term>Deceleration factor</term>
<term>Devlin</term>
<term>Devlin wastell</term>
<term>Differential equation</term>
<term>Donegan</term>
<term>Electromyographic</term>
<term>Electromyographic activity</term>
<term>Emg</term>
<term>Entire rise phase</term>
<term>Extrafusal</term>
<term>Extrafusal motor units</term>
<term>First pause</term>
<term>First phase</term>
<term>Force control</term>
<term>Fusimotor drive</term>
<term>Hellsing klineberg</term>
<term>Human masseter muscle</term>
<term>Human masticatory muscles</term>
<term>Initial phase</term>
<term>Intrafusal motor units</term>
<term>Isometric</term>
<term>Isometric contraction</term>
<term>Isometric contraction time</term>
<term>Isometric relaxation</term>
<term>Isometric relaxation time</term>
<term>Last voltage peak</term>
<term>Latter case</term>
<term>Linear correlation</term>
<term>Linear correlation coefficient</term>
<term>Linear manner</term>
<term>Long latency reflex responses</term>
<term>Lund sessle</term>
<term>Masseter</term>
<term>Masseter muscle</term>
<term>Masseter muscles</term>
<term>Masseteric motor units</term>
<term>Maximum intercuspation</term>
<term>Maximum isometric</term>
<term>Maximum voltage</term>
<term>Maximum voltage amplitude</term>
<term>Minimum voltage</term>
<term>Motor control</term>
<term>Motor control system</term>
<term>Motor cortex</term>
<term>Motor engram</term>
<term>Motor task</term>
<term>Motor units</term>
<term>Muscle reflexes</term>
<term>Muscle spindles</term>
<term>Myoelectrical</term>
<term>Myoelectrical activity</term>
<term>Neural basis</term>
<term>Oral biology</term>
<term>Oral rehabilitation</term>
<term>Orderly manner</term>
<term>Orderly recruitment</term>
<term>Other hand</term>
<term>Other words</term>
<term>Periodontal sensors</term>
<term>Physiology</term>
<term>Preformulated scheme</term>
<term>Preprogrammed</term>
<term>Reflex</term>
<term>Results section</term>
<term>Rise phase</term>
<term>Sessle</term>
<term>Sessle wiesendanger</term>
<term>Silent periods</term>
<term>Spindle responses</term>
<term>Static work efforts</term>
<term>Subject instruction</term>
<term>Surface electromyograms</term>
<term>Surface electromyography</term>
<term>Surface eleetromyograms</term>
<term>Teeth clenching</term>
<term>Temporalis</term>
<term>Time interval</term>
<term>Time point</term>
<term>Time variables</term>
<term>Total duration</term>
<term>Transcortical</term>
<term>Transcortical loop</term>
<term>Vallbo</term>
<term>Voltage</term>
<term>Voltage activity</term>
<term>Voltage amplitude</term>
<term>Voltage amplitudes</term>
<term>Voltage record</term>
<term>Voltage recordings</term>
<term>Voltage variables</term>
<term>Voluntary isometric contraction</term>
<term>Voluntary teeth clenching</term>
<term>Warning signal</term>
<term>Wastell</term>
<term>Wastell devlin</term>
<term>Work effort</term>
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<front><div type="abstract" xml:lang="en">Without artificial feedback control, maximum voluntary isometric contractions were performed for about 1 s by six subjects. Randomly selected surface electromyograms of the anterior temporalis and masseter muscles suggested that, in some cases, the motor control of the entire isometric contraction might have been preprogrammed through the phenomenon of anticipation. In the majority of cases, the control of the initial contraction phase might have been preprogrammed, followed by a phase of servo‐controlled motor activity. As a functional basis for the servo‐control of isometric force generation, it was suggested that compartmentalized ‘extrafusal and intrafusal motor units’ were recruited and decruited in an orderly manner, and periods of alphamotor inhibition were interpreted as signs of switching from one control scheme to another, possibly via a transcortical loop.</div>
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