Participants
ischemia, dyspnea, obstructive pulmonary diseases, fatigue
VIRUS, NEUROLOGICAL DISEASE, ISCHEMIA, MUSCULAR DISEASES, SEVERE PULMONARY HYPERTENSION
The participants were recruited at the laboratories of the Catholic University of Avila located in Avila, Spain, following these inclusion criteria: (a) more than 5 months since medically diagnosed with COVID-19 using the polymerase chain reaction (PCR) test for the SARS-CoV-2 virus, (b) participants’ perception of symptoms such as dyspnea or fatigue, (c) aged between 18 and 65 years. The exclusion criteria were: (a) severe exercise intolerance, (b) ischemia during low-intensity exercise, (c) severe pulmonary hypertension, (d) severe symptoms related to COVID-19 or active COVID-19 in the moment of the evaluation, (e) recent cardiovascular events,(f) obstructive pulmonary diseases, (g) cancerous processes, (h) muscular diseases, (i) severe neurological disease.