ICU Combined Assessment of Cardio-Respiratory Exercise

Who May Qualify: - Patients who have received mechanical ventilation for at least 7 days in the intensive care unit (ICU) and have subsequently been discharged from hospital. Who Should NOT Join This Trial: - Unable to provide consent - Trajectory of health expected to be significantly limited in the upcoming 12 months - those who self-report that they cannot climb at least one flight of stairs due to limited exercise capacity - have significant orthopedic or musculoskeletal impairment affecting mobility - have a medical history of neuromuscular disease - ongoing respiratory limitations (i.e., supplemental oxygen) - significant heart disease (i.e. ejection fraction less than 30%, unstable ischemic heart disease, severe valvular heart disease) - a body mass index (BMI) of ≥ 40 kg/m2 (impacting NIRS signal due to adipose tissue thickness) - if participant's primary residence is a significant distance from Winnipeg Always talk to your doctor about whether this trial is right for you.