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Fit Voices? The Rise of Vocal Injury in Fitness Instructors
The amount of fitness instructors who experience voice issues that continue to recur is 44-70%, according to Rumbach 2013. 78% report feeling a change in their voices after teaching just one class. And the very sad thing is that 80% of these folks regularly use microphones, but they constantly malfunction or the instructor has no idea how to use them efficiently.