POWERbreathe IMT is in use the world over: by athletes for improving performance; by respiratory therapists for pre and post-operative training; in pulmonary rehab for ensuring patients make the most of their lung function; in ICU to help wean patients off ventilators; and most recently in COVID-19 recovery, with the World Health Organisation referencing POWERbreathe IMT as a tool to improve COVID-19 health outcomes.