Appetite Response to Exercise- Versus Mixed (Exercise + Dietary Restriction)-Induced Energy Deficit in Adolescents With Obesity

Control condition without exercise / rest condition. The adolescents will be asked to remain quiet and at rest during the morning and will receive an ad libitum meal at dinner time. Their food reward will be assessed before dinner. Their appetite feelings will be assessed at regular intervals.

Def-Mixed. Condition with an exercise-induced energy deficit The adolescents will received a calibrated lundh meal with a deduction of 250 kcal compared with the lunch meal of Con; and will be asked to realise an acute exercise set at 65% of their capacities (cycling) during the afternoon, inducing an energy expenditure of 250 kcal. Dinner will be served ad libitum. Their food reward will be assessed before dinner. Their appetite feelings will be assessed at regular intervals.

Condition with an energy-restriction energy deficit The adolescents will receive a calibrated breakfast reduced from 500 kcal compare to their CON and Def-mixed conditions. Dinner will be served ad libitum. Their food reward will be assessed before dinner. Their appetite feelings will be assessed at regular intervals.