ABSTRACT Introduction Exercise intensity can approach an individual’s maximum capacity rapidly. High-intensity exercise improve aerobic in obesity, overweight, heart disease, and diabetes. Knowledge of the physiological biochemical changes post-workout period could provide safety indexes for a scientific basis. Objective To evaluate immediate adolescents submitted to high-intensity sports train...

Background: The COVID-19 pandemic infects athletes in different ways, and some ceased their training due to the pandemic. Many others reduced workout closure of sports venues, could continue as usual for a while. Objectives: aims this study can be divided into two categories: (1) Test between-group effect levels over six weeks (2) test within-group changes regarding body composition fitness lev...