Biomaterial Database

Surface intraoral genioglossus EMG recording technique for kinesiologic studies. 1988

M K Milidonis, and C G Widmer, and R L Segal, and S L Kraus

Emory University, Atlanta, Ga.

Electromyographic (EMG) recordings from intraoral genioglossus surface electrodes were compared to fine-wire recordings of the left genioglossus muscle during selected activities that involved (1) rest, (2) tongue protrusion without resistance, (3) isometric tongue protrusion, (4) jaw opening without resistance, (5) isometric jaw opening, and (6) swallowing. Right and left lateral protrusions of the tongue were evaluated also. Recordings from both surface and fine-wire configurations showed similar onset times, relative amplitude changes, and cessation times of EMG activity during unresisted tongue protrusion and isometric tongue protrusion. Swallowing EMG activity occurred somewhat earlier and was longer in duration in the surface electrode recordings than the fine-wire recordings; however, maximum amplitudes occurred at similar times. Neither type of electrode recorded significant EMG activity during jaw opening or isometric jaw opening. These findings support the validity of recording EMG activity of the genioglossus muscle by surface recording electrodes supported by an acrylic appliance. The development of such an appliance may be an important biofeedback tool to control genioglossus activity during such activities as tongue thrusting.

UI	MeSH Term	Description	Entries
D008310	Malocclusion	Such malposition and contact of the maxillary and mandibular teeth as to interfere with the highest efficiency during the excursive movements of the jaw that are essential for mastication. (Jablonski, Illustrated Dictionary of Dentistry, 1982)	Angle's Classification,Crossbite,Tooth Crowding,Cross Bite,Angle Classification,Angles Classification,Bite, Cross,Bites, Cross,Classification, Angle's,Cross Bites,Crossbites,Crowding, Tooth,Crowdings, Tooth,Malocclusions
D008311	Malocclusion, Angle Class I	Malocclusion in which the mandible and maxilla are anteroposteriorly normal as reflected by the relationship of the first permanent molar (i.e., in neutroclusion), but in which individual teeth are abnormally related to each other.	Angle Class I,Class I, Angle
D009055	Mouth	The oval-shaped oral cavity located at the apex of the digestive tract and consisting of two parts: the vestibule and the oral cavity proper.	Oral Cavity,Cavitas Oris,Cavitas oris propria,Mouth Cavity Proper,Oral Cavity Proper,Vestibule Oris,Vestibule of the Mouth,Cavity, Oral
D009132	Muscles	Contractile tissue that produces movement in animals.	Muscle Tissue,Muscle,Muscle Tissues,Tissue, Muscle,Tissues, Muscle
D004576	Electromyography	Recording of the changes in electric potential of muscle by means of surface or needle electrodes.	Electromyogram,Surface Electromyography,Electromyograms,Electromyographies,Electromyographies, Surface,Electromyography, Surface,Surface Electromyographies
D006801	Humans	Members of the species Homo sapiens.	Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000328	Adult	A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available.	Adults

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