Inclusion Criteria:  Discharged patients with Covid-19 pneumonia, Having at least one rT-PCR Covid test, Duration of hospitalization > 10 days, Ability to walk, Totally oriented, Ability to use smartphone, Ability to read and write in Persian.  Exclusion Criteria:  Having any kind of musculoskeletal disorder causing inability to participate in physiotherapy sessions, Severe cardiovascular impairments.