SpiroGym App-Aided Cough Rehabilitation

Participants will performe an intensive home-based expiratory muscle training programme using an Expiratory Muscle Trainer (EMST150; Aspire Products, LLC, United States), which provide a pressure- threshold range from 30 to 150 cmH20. EMST therapy sessions will be completed at home on 5 days of the patients choosing per week. Participants will be instructed to perform five sets of five forceful expirations coupled with SpiroGym app. per training session for 8 weeks (intensive training period). After this period, participants will perform an additional 16 weeks of maintenance EMST. EMST therapy sessions will be completed at home on two days (minimum) of the participant's choosing each week.

Participants will performe an intensive home-based expiratory muscle training programme using an Expiratory Muscle Trainer (EMST150; Aspire Products, LLC, United States), which provide a pressure- threshold range from 30 to 150 cmH20. EMST therapy sessions will be completed at home on 5 days of the patients choosing per week. Participants will be instructed to perform five sets of five forceful expirations per training session for 8 weeks (intensive training period).After this period, participants will perform an additional 16 weeks of maintenance EMST. EMST therapy sessions will be completed at home on two days (minimum) of the participant's choosing each week.