In the abstract should spell words out before abbreviating them. This study aims to characterize physical activity that is based on a convenience sample of adolescents.

Introduction There was no strong justification of the hypothesis of the study. It was not mentioned in details why exactly this specific age. Figures will be beneficial for the reader to easily understand the theoretical framework.

Methods How was the data collected? Where? When? How was information about those participants obtained? It would help to provide the spell out words of the test. it is confusing when it is written this way.

Results You may wish to explore if findings differed by time between subjects. The IPAQ recall is past week, and the the other data collection of the outcomes is took place in one time. Table 1, unites of the scales should be included.

Discussion Results should be explicitly supported in the discussion. Limitation and further direction is not clear in this part.