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Laryngeal Motion During Exercise

Objective: To compare laryngoscopically observed changes in the larynx during exercise in persons with exercise‐induced laryngomalacia (EIL) with changes in asymptomatic control subjects. Study Design: Clinical study using a standardized exercise protocol. Methods: Subjects exercised on an incremental ergometer: videotaped recordings of the larynx were obtained through the entire exercise; pulmonary function tests were completed before and/or immediately after the exercise. Results: Laryngeal lumen size decreases during exercise in subjects with EIL. Conclusion: Subjects with EIL had a significant decrease in laryngeal lumen size during exercise compared with asymptomatic control subjects.