Deep coughing (Airway clearance coughing forcefully expelling air, in sitting; 01)

Deep coughing (Airway clearance coughing forcefully expelling air, in sitting; 01)

Take a deep breath and hold it for 2 to 3 seconds.
Use your stomach muscles to forcefully expel the air.
Avoid a hacking cough, or merely clearing the throat.
This exercise should be a deep cough, which is less tiring and more effective in clearing mucus out of the lungs.

Required equipment: Chair
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