AbstractPhysiotherapy is part of a multidisciplinary team and plays an important role in the critical care unit to improve patients’ quality of life. It is reported that a patient mechanically ventilated for more than a week shows muscular weakness approximately 25% and approximately 90% of patients have ongoing muscular weakness and poor quality of life. Physiotherapy in critical care units and high dependency units play a vital role to promote lung functions and early discharge. There are more ventilator-free days for patient with early physiotherapy in intensive care unit (ICU) compared with standard care. A large number of physical limitations are faced by patient and professionals in ICU and respiratory intermediate intensive care units. Declined pulmonary function, persistent muscle weakness, prolonged mechanical ventilation, and contracture are associated with poor quality of life and long-time staying in hospitals. Physiotherapy is a main component of patient management in critical care units and involves mobilization activities, functional positioning, passive- and active-assisted movements of extremities, sitting, bedside standing, walking with support, early mobilization, postural drainage, clear airway secretions, manual hyperinflation, percussion and vibration, assisted and resisted exercise, and electric stimulation.