Smartphone App-guided Inspiratory Muscle Strength Training for Lowering Systolic Blood Pressure

Participants will perform inspiratory muscle strength training guided by a smartphone application. Participants will perform 30 breaths a day at 75% of maximal inspiratory pressure, 6 days a week, for 6 weeks. All training sessions will be guided by the smartphone application.

Participants will perform inspiratory muscle strength training guided by researchers. Participants will perform 30 breaths a day at 75% of maximal inspiratory pressure, 6 days a week, for 6 weeks. One training session each week will be performed in the research clinic.