The contractions of the stapedius muscle in man in response to sound stimuli were first observed by Luescher,1 in 1929, with the aid of the aural microscope. Since that time only a small number of cases in which this reflex has been observed have been reported in the literature.
It has appeared, therefore, necessary to extend these observations and to collect a larger series of reports of cases in which the reflex was visible in order to determine more definitely the relationship between the reflex and the hearing sensation.
Our observations in the clinic during the past several months have shown that a visible stapedius reflex is not a rare occurrence and that it may frequently be demonstrated during a routine examination.
In a number of patients with a perforation in the upper posterior quadrant of the drum, the stapes or stapedius tendon is visible. If the tendon is
LINDSAY JR, KOBRAK H, PERLMAN HB. RELATION OF THE STAPEDIUS REFLEX TO HEARING SENSATION IN MAN. Arch Otolaryngol. 1936;23(6):671–678. doi:10.1001/archotol.1936.00640040683007
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