Associations between Borg’s rating of perceived exertion and changes in urinary organic acid metabolites after outdoor weight-bearing hiking

Figure 7 Correlation analysis between Borg’s rating of perceived exertion scale and myoglobin levels. A: Statistical analysis between the groups with scores of 6-12 and 13-20; B: Spearman’s correlation analysis between the Borg’s rating of perceived exertion scale and myoglobin levels. BRPE: Borg’s rating of perceived exertion.