DEGLUTITIVE TONGUE FORCE MODULATION BY VOLITION, VOLUME, AND VISCOSITY IN HUMANS
DEGLUTITIVE TONGUE FORCE MODULATION BY VOLITION, VOLUME, AND VISCOSITY IN HUMANS
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DOI：
10.1016/0016-5085(95)90690-8
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发表时间：
1995-05-01
期刊：
影响因子：
29.4
通讯作者：
KAHRILAS, PJ
中科院分区：
文献类型：
--
作者：
POUDEROUX, P;KAHRILAS, PJ
背景/目标：吞咽舌的生物力学是复杂的，涉及食团容纳，负载和推进，本研究旨在量化不同吞咽条件下吞咽推进和清舌力的调制。研究方法：在8名志愿者吞咽不同体积和粘度时，使用传感球和应变计测压法记录口咽压力和力。意志调制进行了探讨，有力的和衰减的吞咽。结果如下：时间分析证实，灯泡记录对应于舌头的推力，和应变计记录测量舌头的清除压力。意志力是最有效的修改器的舌推进力和清除压力的值显示了四倍的增加，从衰减到有力的吞咽，丸粘度也引起增加的舌推进力和清除压力的口腔舌，意志力的控制以及适应粘度是最大的口腔舌的前部和中部，有没有力的适应增加丸体积。结论：吞咽过程中的舌推进力和清除压力显示出对丸剂粘度的实质性调制，这种调制可以通过意志控制来再现。前三分之二的舌头表现出更大的力量和更大的调制比舌根。
Background/Aims: Deglutitive tongue biomechanics are complex, involving bolus containment, loading, and propulsion, This study aimed to quantify the modulation of deglutitive pulsive and clearing tongue forces in varied swallowing conditions. Methods: Oropharyngeal pressure and force were recorded using sensing bulbs and strain-gauge manometry in 8 volunteers during swallows of varied volume and viscosity. Volitional modulation was explored with forceful and attenuated swallows. Results: Temporal analysis confirmed that bulb recordings corresponded to tongue pulsive force, and the strain-gauge recordings measured tongue clearing pressure. Volition was the most potent modifier of both tongue pulsive force and clearing pressure with values showing a fourfold increase from attenuated to forceful swallows, Bolus viscosity also induced an increase of tongue pulsive force and clearing pressure by the oral tongue, Volitional control as well as adaptation to viscosity was greatest on the anterior and middle part of the oral tongue, There was no force adaptation with increased bolus volume. Conclusions: Tongue pulsive force and clearing pressure during swallow showed substantial modulation for bolus viscosity that can be reproduced by volitional control. The anterior two thirds of the tongue showed both greater forces and greater modulation than did the tongue base.