Acute Exercise‐Induced Energy Expenditure and Substrate Oxidation Rates Might Not Be Associated With Subsequent Appetitive Responses in Adolescents Living With Obesity
Authors' conclusion
Exercise-induced energy expenditure and substrate might not be associated with the short-term control of appetite and energy intake in adolescents with obesity, which remains to be confirmed by further studies evaluating the effect of various exercises inducing specific predominant fuel sources.
Study context
- Population
- Adolescents with obesity, 12–16 years, 8 males8 males
- Participants
- 25 adolescents
- Comparison
- Acute walking exercise vs control without exercise
- EXn = 25
- CONn = 25reference
- Primary endpoint
- Association of energy expenditure and substrate oxidation rates during acute walking exercise with subsequent appetitive responses (ad libitum energy intake, appetite sensations, food reward)
Methodological detailsrandomized order
- Randomized order
Primary result
As reported in the abstract
Association of exercise energy expenditure and substrate oxidation with subsequent appetitive measures
- Energy expenditure, fat and carbohydrate oxidation rates during exercise were not associated with subsequent appetitive measurements
Further findings
| Outcome | P value |
|---|---|
| Post-exercise ad libitum energy intakeReduced on EX | P = 0.041 |
| Absolute protein intakeReduced on EX | P = 0.011 |
| Pre-lunch explicit liking for fatDecreased on EX | P = 0.045 |
Appetite sensations
- None of the appetite sensations differed between conditions
Food reward change pre to post lunch after exercise
- Implicit wanting for fat decreased
- P = 0.047
- Explicit wanting for fat decreased
- P = 0.025
- Explicit wanting for taste decreased
- P = 0.012
Original publication
Acute Exercise‐Induced Energy Expenditure and Substrate Oxidation Rates Might Not Be Associated With Subsequent Appetitive Responses in Adolescents Living With Obesity. Pediatr Obes. Published 11 December 2025. doi:10.
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