Thirteen cases were tested, in which twelve cases completed most part of the examination.Reasons for failure included anterior neck fibrosis or dyspnea during testing the thyroarytenoid muscle.

• 以此法检查13人，12人可完成大部分测试，失败乃因前颈软组织纤维化使电极难以放置，或测甲杓肌时感到呼吸不顺。