Biomechanical events of swallowing are determined more by bolus consistency than by age or gender

Abstract The biomechanics of swallowing saliva and substances of different consistencies were investigated in healthy children and adults. To this end, the duration and mean amplitude value (MAV) of surface electromyography (sEMG) of the submental muscle group (SMG) activity, the maximum anterior to...

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Bibliographic Details
Published in:Physiology & behavior 2012-05, Vol.106 (2), p.285-290
Main Authors: van den Engel-Hoek, Lenie, de Groot, Imelda J.M, Esser, Eva, Gorissen, Birthe, Hendriks, Jan C.M, de Swart, Bert J.M, Geurts, Alexander C.H
Format: Article
Language:English
Subjects:
Adolescent
Adult
Adults
Age Factors
Aged
Behavioral psychophysiology
Biological and medical sciences
Biomechanical events
Biomechanical Phenomena - physiology
Child
Child, Preschool
Children
Deglutition - physiology
Drinking - physiology
Eating - physiology
Female
Food
Fundamental and applied biological sciences. Psychology
Humans
Male
Middle Aged
Muscle, Skeletal - physiology
Psychiatry
Psychology. Psychoanalysis. Psychiatry
Psychology. Psychophysiology
Saliva - physiology
Sex Factors
Surface electromyography
Swallowing
Tongue - physiology
Tongue pressure
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Summary:Abstract The biomechanics of swallowing saliva and substances of different consistencies were investigated in healthy children and adults. To this end, the duration and mean amplitude value (MAV) of surface electromyography (sEMG) of the submental muscle group (SMG) activity, the maximum anterior tongue pressure (ATP), and the rise and release slopes of ATP were measured while participants (39 female and 39 male participants, age 5–65 years) swallowed saliva, 5 mL water (reference), 5 mL thick liquid, and 5 mL solid food. Mean outcome parameters varied with the consistency of the liquid or food swallowed, with the exception of the rise slope of ATP. Moreover, outcome variables were not substantially affected by age with children of 5 years and older showing similar biomechanical events to those of adults. It is important to gain insight into the biomechanics of swallowing saliva and substances of different consistencies in order to understand the underlying mechanisms of dysphagia children and adults.
ISSN:0031-9384
1873-507X
DOI:10.1016/j.physbeh.2012.02.018