Effects of respiratory muscle training on post-stroke rehabilitation: A systematic review and meta-analysis

Figure 1 Flowchart depicting process of article selection for meta-analysis, illustrating stages of screening, eligibility assessment, and final inclusion.

Figure 2 Graphical representation of quality assessment for included studies, based on the Cochrane Collaboration's risk of bias tool. The color-coding indicates the level of risk: Red for high risk, yellow for unclear risk, and green for low risk.

Figure 3 Graphs showing impact of respiratory muscle training on (A) maximal inspiratory pressure and (B) maximal expiratory pressure, indicating changes in inspiratory and expiratory muscle strength.

Figure 4 Series of charts illustrating effects of respiratory muscle training on various pulmonary function test outcomes. A: Forced expiratory volume in the first second (FEV1); B: Forced vital capacity (FVC); C: FEV1/FVC ratio; D: Maximal voluntary ventilation; E: Peak expiratory flow.

Figure 5 Graph demonstrating influence of respiratory muscle training on exercise tolerance, measured by improvements in the 6-min walk test.

Figure 6 Funnel plot analyzing publication bias across all studies included in the meta-analysis, visually assessing the symmetry of data distribution.