Strengths

1. The findings of this study are crucial to further enhance the understanding of different monitoring strategies to manage an optimal training load in strength training programming.

2. The limitations of the study are opportunities to inform future research, practitioners are advised to incorporate multiple markers to assess recovery needs to manage strength training programming. Authors mentioned that future studies should replicate these findings using larger sample sizes, possibly including subjects with different training backgrounds.

Weaknesses

Minor points

1. Some references are not recent such as 6, 15, 24, 25, 26,and 28.

2. In section 2.3. Procedures, 2.3.1. Heart Rate and Heart Rate Variability; please cite references regarding the reliability of Firstbeat Bodyguard 2 (Firstbeat Technologies, Jyväskylä, Finland).

3. In discussion section; it will be more actual meaning through particular examples of presented results.