Lean adolescents achieve higher intensities but not higher energy expenditure while playing active video games compared with obese ones.

Background: While decreased physical activity and increased sedentary behaviours are incriminated for their role in the progression of obesity, active video games (AVG) may offer a new alternative to increase energy expenditure in youth. This study is the first to examine the effect of a 1-h AVG play on lean and obese adolescents' energy expenditure.

Methods: Body composition and aerobic fitness were assessed in 19 obese and 12 lean adolescent boys (12-15 years old).