Review Article

Appropriate Timing and Type of Physical Training in Patients with COVID-19 for Muscle Health and Quality of Life: A Systematic Review

Table 1

Grade approach of eligible studies.

Certainty assessmentNo. of patientsEffectCertaintyImportance
No. of studiesStudy designRisk of biasInconsistencyIndirectnessImprecisionOther considerationsInterventionComparisonRelative (95% CI)Absolute (95% CI)
Mild acute COVID-19 (assessed with self-reported severity of respiratory symptoms development)

1Observational studiesSeriousaSeriousbNot seriousNot seriousNoneA total of 60 patients with COVID-19 who completed the full course of MRE were enrolled in this observational study. In total, 60 confirmed mild COVID-19 cases were enrolled with a median age of 54 years old. The baseline prevalence for dry cough, productive cough, difficulty in expectoration, and dyspnea were 41.7%, 43.3%, 35.0%, and 50.0%, respectively⊕⊕◯◯ LowImportant

ICU condition (assessed with lung function, handgrip strength, and QOL)
3Observational studiesNot seriousaSeriouscNot seriousNot seriousStrong associationAll patient 93 admitted to ICU was in three studies was given intervention such as a regimented sequence of mobility, early rehabilitation and incentive breathing exercise. After following up the results showed improved of lung function and QOL, however no difference in hand grip strength⊕⊕◯◯ LowImportant

Post-COVID-19 (assessed with 6 min walking test (6MWT), lung function, hand grip strength, and QOL questionnaire)
2Randomized trialsNot seriousNot seriousSeriouscNot seriousStrong associationAll 196 participants post-COVID-19 were involved and received in two studies: 1) study one intervention group: a home-based 6-week exercise programme comprising breathing control and thoracic expansion, aerobic exercise, and LMS exercise; 2) study two received resistance training. The end of the trial show improved lung function, handgrip strength, 6 min walking test (6MWT), and QOL⊕⊕⊕⊕ HighImportant

aSmall sample study; bDifferent outcome measurement; cDifferent intervention.