Abstract
We have studied the associated abnormal movement of the stapedial muscle as a part of the synkinesis which appeared during the course of recovery from the peripheral facial nerve palsy. The stapedial muscle movement was recorded by the impedance audiometer. Among the 15 patients, who were examined on 1 to 12 months after the onset of facial palsy, 30% of them showed abnormal associated movement of the stapedial muscle. However, none of them complained the tinnitus which was described for the first time by Watanabe et al. From this result, it was considered that not only the associated abnormal movement of the stapedial muscle but also some other factors might take part in the occurence of the stapedial tinnitus.
