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Detraining outcomes with expiratory muscle strength training in Parkinson disease

Detraining outcomes with expiratory muscle strength training in Parkinson disease. Michelle S. Troche, PhD; John C. Rosenbek, PhD; Michael S. Okun, MD; Christine M. Sapienza, PhD. Aim

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Detraining outcomes with expiratory muscle strength training in Parkinson disease

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  1. Detraining outcomes with expiratory muscle strength training in Parkinson disease Michelle S. Troche, PhD; John C. Rosenbek, PhD; Michael S. Okun, MD; Christine M. Sapienza, PhD

  2. Aim • Examine changes in maximum expiratory pressure (MEP) and swallowing safety after 3 mo of expiratory muscle strength training (EMST) detraining in persons with Parkinson disease (PD). • Relevance • EMST improves MEP, cough function, and swallowing safety in PD. • However, no published reports describe detraining effects after EMST in persons with PD or after any behavioral swallowing intervention.

  3. Method • 10 participants with PD underwent 3 mo of detraining following EMST. • MEP and swallowing safety measured: • Pre-EMST (baseline). • Post-EMST (predetraining). • 3 mo postdetraining.

  4. Results • Participants demonstrated 19% improvement in MEP from pre- to post-EMST. • Following 3 mo detraining period: • MEP declined by 2% yet remained 17% above baseline. • 7 participants demonstrated no change in swallowing safety, 1 worsened, and 2 improved. • Swallowing safety did not significantly change from post-EMST to postdetraining.

  5. Conclusion • This preliminary study highlights need for maintenance programs designed to sustain function following intensive periods of training.

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