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The Journal of Sports Medicine and Physical Fitness 2020 Jul 23

DOI: 10.23736/S0022-4707.20.11181-2


lingua: Inglese

Obesity does not modulate men’s eating behavior after a high intensity interval exercise session: an exercise trial

Caio M. TERRA 1, Joao P. BOTERO 2, Jaddy ANTUNES 2, Bryan HADDOCK 2, Neal MALIK 2 , David THIVEL 3, Wagner L. PRADO 2

1 Department of Human Performance, Federal University of São Paolo, Santos, SP, Brazil; 2 Department of Kinesiology, California State University, San Bernardino, CA, USA; 3 Department of Human Kinetics, Université Clermont Auvergne, Clermont-Ferrand, France


BACKGROUND: We investigated the impact of obesity on responses to high intensity interval exercise (HIIE) on hunger and energy intake (EI) in young men.
METHODS: Ten men with obesity (OB) (body mass index [BMI]: 34.6±4.4 kg/m²) and 10 with normal weight (CG) (BMI: 23.1±3.9 kg/m²) participated in a HIIE session. The session consisted of 6 rounds performed at 100% of maximum aerobic velocity (MAV) for 30 seconds, followed by 30 seconds of active recovery at 50% MAV and concluded with 4 minutes of passive recovery. This was repeated three times. EI was estimated at baseline and 24h-post HIIE. Hunger was measured at baseline, 2h- and 24h-post HIIE.
RESULTS: Carbohydrate (CHO) intake increased in both groups (p<0.01). Hunger feelings [19.5 (0-50) mm at baseline to 50 (9-73) mm Post-2h and 60 (8-92) mm in Post-24h (Group:p=0.71, Time: p<0.01, Group x Time: p=0.06)] and a desire to eat [34 (1-89)±36.0 mm at baseline to 63 (11-86) mm Post-2h and 51 (7-84) mm Post-24h (Group: p=0.65, Time: p<0.01, Group x Time: p=0.29)] increased in both groups.
CONCLUSIONS: Weight status does not modulate hunger and EI post-HIIE. However, the compensatory increase in CHO intake and hunger feelings is particularly noteworthy for health professionals.

KEY WORDS: Physical activity; Energy Intake; Obesity

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