What is the Role of a physiotherapist in Coughing? An effective cough is necessary to eliminate respiratory obstructions and keep the lungs clear. Coughing is one of the most common Lung Airway clearance technique which is performed by a person acting with minor instruction by therapist or instructors. Airway clearance is an important part of the management of patients with acute or chronic respiratory conditions. A cough may be reflexive or voluntary. When a person coughs, a series of actions occur, we call it as An effective cough is necessary to eliminate respiratory obstructions and keep the lungs clear. Coughing is one of the most common Lung Airway clearance technique which is performed by a person acting with minor instruction by therapist or instructors. Airway clearance is an important part of the management of patients with acute or chronic respiratory conditions., it includes: 1. The patient inhales air by the nose ( Deep inspiration occurs ) 2. Air tra