Inspiratory muscle training 

Video:

https://www.youtube.com/watch?v=XlTr1VclADs 

Inspiratory muscle training (IMT)

• A way to strengthen the diaphragm and intercostal muscles with the assist of a device 
• Done at maximum inspiration 
• This device has two types
  • Flow resistive breathing
    • With inspiration mainly 
  • Threshold breathing 
    • Helps train a constant flow during tidal volume and inspiration 
• Indications 
  • When the patient is having difficulty with inspiration due to muscle weakness or limited ventilation 
• Precautions and contraindications
  • Inspiratory muscle fatigue 
  • Tachypnea
  • Increased PaCO2
  • Bradypnea with a decrease in minute ventilation