• Training device helps strengthen inspiratory and expiratory muscles
• Effective tool helpsteach diaphragmatic breathing for breath support; strong breath support is also essential for coordination of speaking, swallowing(accessory breathing muscles surrounding the ribs) and the accessory muscles of the neck
• Exhalation resistancecan strengthen and tone the internal intercostals and abdominal muscles, help safeguard against trapping air in the lungs duringtraining and may also help clear mucus in the airways