The purpose of this study is to assess the effect of voice exercise and voice rest on subject's perception of vocal handicap and communicative participation following Botox injections for adductor spasmodic dysphonia.
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A quantifiable difference between the effects of voice exercise vs. voice rest post Adductor Spasmodic Dysphonia botox treatment through analysis of the Voice Handicap Index Questionnaire.
Timeframe: Assessing the change of the post VHI questionnaire between groups. Data will be reported at study completion, an average of 1 year.