This is a cross-sectional observational study. The guideline of the Strengthening Reporting of Observational Studies in Epidemiology was followed to ensure the appropriate reporting of the study 33.

The participants of our study were not involved in the design, conduct, reporting, or dissemination plans of our research. A total of 242 children and adolescents (102 females) were recruited from the ...

While walking, hiking or doing other cardiovascular exercise, you might focus on your breathing or heart rate to gauge how hard you’re working. That’s a perfectly good approach, but it won’t tell you ...