Lee André, Voget Jakob, Furuya Shinichi, Morise Masanori, Altenmüller Eckart
Institute for Music Physiology and Musicians Medicine, University of Music, Drama and Media Hannover, Emmichplatz 1, 30175, Hannover, Germany.
Department of Neurology, Klinikum rechts der Isar Technische Universität München, Munich, Germany.
J Neural Transm (Vienna). 2016 May;123(5):515-21. doi: 10.1007/s00702-016-1533-6. Epub 2016 Mar 29.
Task-specific tremor in musicians is an involuntary oscillating muscular activity mostly of the hand or the embouchure, which predominantly occurs while playing the instrument. In contrast to arm or hand tremors, which have been examined and objectified based on movement kinematics and muscular activity, embouchure tremor has not yet been investigated. To quantify and describe embouchure tremor we analysed sound production and investigated the fluctuation of the time-varying fundamental frequency of sustained notes. A comparison between patients with embouchure tremor and healthy controls showed a significantly higher fluctuation of the fundamental frequency for the patients in the high pitch with a tremor frequency range between 3 and 8 Hz. The present findings firstly provide further information about a scarcely described movement disorder and secondly further evaluate a new quantification method for embouchure tremor, which has recently been established for embouchure dystonia.
音乐家的特定任务性震颤是一种主要发生在手部或口型的非自主性肌肉振荡活动，主要在演奏乐器时出现。与基于运动运动学和肌肉活动进行过检查和客观化研究的手臂或手部震颤不同，口型震颤尚未得到研究。为了量化和描述口型震颤，我们分析了发声情况，并研究了持续音符的时变基频波动。对口型震颤患者与健康对照者的比较显示，在高音区，患者的基频波动明显更高，震颤频率范围在3至8赫兹之间。本研究结果首先提供了关于一种鲜有描述的运动障碍的更多信息，其次进一步评估了一种最近为口型肌张力障碍建立的口型震颤新量化方法。
