关于软腭下降机制的肌电图学研究  

Study of Electromyogram on the Descent Mechanism of the Soft Palate

作　　者：王丽萍[1] 杨扬[1] 陈晓秋[1] 高林瑞穗 新美成二 

机构地区：[1]中国医科大学附属第二医院耳鼻咽喉科,沈阳110004 [2]日本国际医疗福祉大学言语听觉中心

出　　处：《听力学及言语疾病杂志》2006年第2期84-87,共4页Journal of Audiology and Speech Pathology

基　　金：川医学奖学金资助项目

摘　　要：目的探讨软腭的下降机制。方法将腭舌肌、腭咽肌设定为软腭下降肌,用肌电图学的方法进行验证。结果在软腭下降时腭舌肌、腭咽肌都出现了肌活动电位,另外,腭舌肌、腭咽肌在讲话时也参与了构音运动。结论腭舌肌收缩使软腭下降、鼻咽腔开放,腭咽肌由于具有咽绞扼功能,不但可使软腭下降,还与咽腔闭锁密切相关。Objective To investigate the descent mechanism of the soft palate. Methods The palatopharyngus was supposed to be the descend velipalatini, and was proved by electromyogram. Results Myoactive potential of palatoglossus and palatopharyngeus was produced when soft palate was descending. Palatogossus and palatopharyngeus also took part in articulation in speech. Conclusion Palatoglossus contract can make the soft palate descent and the nasopharyngeal cavity open. Due to its function of pharyngeal entangling and griping, palatoglossus is closely associated with not only the soft palate descend but also the pharyngeal cavity closure.

关 键 词：软腭 腭舌肌 腭咽肌 腭帆提肌 肌电图 

分 类 号：R766.04[医药卫生—耳鼻咽喉科]