inclusion criteria: 1. patients with covid-19 pneumonia confirmed by rt-pcr test and diagnostic radiology. 2. non-intubated patients 3. patients with full consciousness 4. be able to walking and performing exercises. 5. o2 saturation \< 88% when free air breathing. 6. be able to write and read in farsi

inclusion criteria: 1. patients with covid-19 pneumonia confirmed by rt-pcr test and diagnostic radiology. 2. non-intubated patients 3. patients with full consciousness 4. be able to walking and performing exercises. 5. o2 saturation \< 88% when free air breathing. 6. be able to write and read in farsi

inclusion criteria: patients with covid-19 pneumonia confirmed by rt-pcr test and diagnostic radiology. non-intubated patients patients with full consciousness be able to walking and performing exercises. o2 saturation < 88% when free air breathing. be able to write and read in farsi

inclusion criteria: patients with covid-19 pneumonia confirmed by rt-pcr test and diagnostic radiology. non-intubated patients patients with full consciousness be able to walking and performing exercises. o2 saturation < 88% when free air breathing. be able to write and read in farsi

inclusion criteria: 1. patients with covid-19 pneumonia confirmed by rt-pcr test and diagnostic radiology. 2. non-intubated patients 3. patients with full consciousness 4. be able to walking and performing exercises. 5. o2 saturation < 88% when free air breathing. 6. be able to write and read in farsi

inclusion criteria: 1. patients with covid-19 pneumonia confirmed by rt-pcr test and diagnostic radiology. 2. non-intubated patients 3. patients with full consciousness 4. be able to walking and performing exercises. 5. o2 saturation < 88% when free air breathing. 6. be able to write and read in farsi