patients were excluded if they had a condition that could prevent adequate performance of inspiratory muscle training (e.g., neuropathy or myopathy), pregnancy or active lactation, richmond agitation and sedation scale (rass) scores between -2 and + 1, glasgow coma scale (gcs) ≤ 8, consent refusal, and contraindications to brain stimulation (e.g., aneurysm clips).

patients were excluded if they had a condition that could prevent adequate performance of inspiratory muscle training (e.g., neuropathy or myopathy), pregnancy or active lactation, richmond agitation and sedation scale (rass) scores between -2 and + 1, glasgow coma scale (gcs) ≤ 8, consent refusal, and contraindications to brain stimulation (e.g., aneurysm clips).

exclusion criteria will be: coma (gcs≤ 8); intense agitation, clinical history of neuromuscular or cognitive instability, pregnancy and contraindications for non-invasive cerebral stimulation.

exclusion criteria will be: coma (gcs≤ 8); intense agitation, clinical history of neuromuscular or cognitive instability, pregnancy and contraindications for non-invasive cerebral stimulation.

- exclusion criteria will be: coma (gcs≤ 8); intense agitation, clinical history of neuromuscular or cognitive instability, pregnancy and contraindications for non-invasive cerebral stimulation. hospital's inclusion criteria - patients will be considered eligible if: they are hospitalized in a hospital bed for the treatment of covid-19, using spontaneous breathing or non-invasive ventilation; and are alert and able to participate in training with a score on the riker scale of 4 points. hospital's

- exclusion criteria will be: coma (gcs≤ 8); intense agitation, clinical history of neuromuscular or cognitive instability, pregnancy and contraindications for non-invasive cerebral stimulation. hospital's inclusion criteria - patients will be considered eligible if: they are hospitalized in a hospital bed for the treatment of covid-19, using spontaneous breathing or non-invasive ventilation; and are alert and able to participate in training with a score on the riker scale of 4 points. hospital's