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Related Experiment Video

Updated: Oct 11, 2025

Author Spotlight: Exploring the Impact of Reduced Resistance Exercise Volume on Metabolic Health
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Starving Your Performance? Reduced Preexercise Hunger Increases Resistance Exercise Performance.

Mohamed Nashrudin Naharudin, Ashril Yusof, David J Clayton

    International Journal of Sports Physiology and Performance
    |December 6, 2021
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    Summary

    Eating a high-viscosity meal before exercise improved back squat performance by reducing hunger. This suggests hunger levels can impact resistance exercise outcomes.

    Keywords:
    appetiteliquid mealsatietysolid mealweight training

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    Area of Science:

    • Exercise Physiology
    • Sports Nutrition
    • Human Performance

    Background:

    • Preexercise carbohydrate intake enhances performance.
    • Food intake suppresses hunger, but its effect on exercise performance is understudied.
    • Meal viscosity may influence satiety and subsequent exercise capacity.

    Purpose of the Study:

    • To investigate the influence of preexercise hunger on exercise performance.
    • To manipulate hunger by altering preexercise meal viscosity.
    • To examine the relationship between hunger, meal viscosity, and resistance exercise capacity.

    Main Methods:

    • Sixteen resistance-trained males participated in two trials.
    • Ingested high-viscosity semisolid (SEM) or low-viscosity liquid (LIQ) carbohydrate meals 2 hours pre-exercise.
    • Performed back squat and bench press to failure; measured hunger, fullness, and relevant hormones.

    Main Results:

    • Lower hunger and greater fullness were reported with SEM meals.
    • Back squat performance (total repetitions) was approximately 10% higher in the SEM trial (P = .001).
    • No significant difference in bench press performance was observed between trials (P = .621).

    Conclusions:

    • Reduced hunger, associated with a high-viscosity meal, enhanced back squat performance.
    • This study provides novel evidence that hunger can influence resistance exercise performance.
    • Meal characteristics, such as viscosity, may be a factor in optimizing preexercise nutrition for performance.