The aim of the present study is to compare the effect of the timing (30 vs. 90 minutes) between a fixed exercise and the following test meal on energy intake, appetite feelings and food reward in adolescents with obesity.
The present study will compare the nutritional response to the realisation of an acute exercise 90 minutes or 30 minutes before an ad libitum buffet meal in adolescents with obesity. 18 adolescents with obesity will be asked to randomly complete three experimental sessions: i) one control session (rest); ii) one session with an acute exercise realized 90 minutes before lunch; iii) one session with the same exercise performed 30 minutes before lunch. Their ad libitum energy intake will be assessed during lunch as well as at dinner time. Appetite feelings will be assessed at regular intervals and their food reward in response to the lunch will also be assessed.
Study Type
INTERVENTIONAL
Allocation
NA
Purpose
TREATMENT
Masking
NONE
Enrollment
18
. 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 lunch and dinner times. Their food reward will be assessed before and after lunch. Their appetite feelings will be assessed at regular intervals.
Condition with an acute exercise set 30 minutes before lunch The adolescents will be asked to complete a 30 minutes exercise set at 65% of their capacities (cycling), 30 minutes before lunch. Lunch will be served ad libitum as well as diner. Their food reward will be assessed before and after lunch. Their appetite feelings will be assessed at regular intervals.
condition with an acute exercise set 90 minutes before lunch. The adolescents will be asked to complete a 30 minutes exercise set at 65% of their capacities (cycling), 30 minutes before lunch. Lunch will be served ad libitum as well as diner. Their food reward will be assessed before and after lunch. Their appetite feelings will be assessed at regular intervals.
CHU de Clermont-Ferrand
Clermont-Ferrand, France
Change of energy intake measured during an ad libitum buffet meal (in kcal).
Change of food intake will be measured ad libitum during a lunch buffet. The adolescents will be offered an ad libitum buffet-type meal composed based on their food intake preferences. Their intake will be weighted using an electronic food scale by a member of the investigation team and then analysed using Bilnuts software.
Time frame: day 1 , day 8, day 15
Hunger feelings
: hunger area under the curve will be assessed using visual analogue scale through a the day
Time frame: day 1 , day 8, day 15
Food reward
The participants will be asked to complete a validated computer-based procedure to measure food reward (Leeds Food Preference Questionnaire; LFPQ)
Time frame: day 1 , day 8, day 15
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