title: Dyspnea, fatigue, and second wind.
mesh_terms: D003964:Diaphragm / Q000502:physiology*; D004417:Dyspnea / Q000209:etiology*; D004576:Electromyography; D006801:Humans; D009132:Muscles / Q000503:physiopathology; D005082:Physical Exertion; D014939:Work of Breathing