Energy Turnover and Appetite

"Low Energy Turnover. The adolescents with ingest low energy intake at lunch and breakfast and will not perform physical exercise during the day. The will 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.~Moderate Energy Turnover. The adolescents with ingest moderate energy intake at lunch and breakfast and will perform one 45 minutes physical exercise during the day. The will 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.~High Energy Turnover. The adolescents with ingest high energy intake at lunch and breakfast and will perform two 45-minute physical exercises during the day. The will 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."