1. unstable medical comorbidities that would preclude participation in exercise 2. receipt of \>1 session of outpatient physical therapy 3. known pregnancy, as the impact on physical function, pulmonary function, and other outcomes will vary well beyond any expected effects of covid-19 4. anticipating concurrent additional physical therapy services during study intervention period (12 weeks)

1. unstable medical comorbidities that would preclude participation in exercise 2. receipt of \>1 session of outpatient physical therapy 3. known pregnancy, as the impact on physical function, pulmonary function, and other outcomes will vary well beyond any expected effects of covid-19 4. anticipating concurrent additional physical therapy services during study intervention period (12 weeks)

unstable medical comorbidities that would preclude participation in exercise receipt of >1 session of outpatient physical therapy known pregnancy, as the impact on physical function, pulmonary function, and other outcomes will vary well beyond any expected effects of covid-19 anticipating concurrent additional physical therapy services during study intervention period (12 weeks)

unstable medical comorbidities that would preclude participation in exercise receipt of >1 session of outpatient physical therapy known pregnancy, as the impact on physical function, pulmonary function, and other outcomes will vary well beyond any expected effects of covid-19 anticipating concurrent additional physical therapy services during study intervention period (12 weeks)

unstable medical comorbidities that would preclude participation in exercise receipt of >1 session of outpatient physical therapy known pregnancy, as the impact on physical function, pulmonary function, and other outcomes will vary well beyond any expected effects of covid-19 not anticipating concurrent additional physical therapy services during study intervention period (12 weeks)

unstable medical comorbidities that would preclude participation in exercise receipt of >1 session of outpatient physical therapy known pregnancy, as the impact on physical function, pulmonary function, and other outcomes will vary well beyond any expected effects of covid-19 not anticipating concurrent additional physical therapy services during study intervention period (12 weeks)

1. unstable medical comorbidities that would preclude participation in exercise 2. receipt of >1 session of outpatient physical therapy 3. known pregnancy, as the impact on physical function, pulmonary function, and other outcomes will vary well beyond any expected effects of covid-19 4. not anticipating concurrent additional physical therapy services during study intervention period (12 weeks)

1. unstable medical comorbidities that would preclude participation in exercise 2. receipt of >1 session of outpatient physical therapy 3. known pregnancy, as the impact on physical function, pulmonary function, and other outcomes will vary well beyond any expected effects of covid-19 4. not anticipating concurrent additional physical therapy services during study intervention period (12 weeks)