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Related Experiment Video

Updated: Jan 30, 2026

Breakfast Habits among Schoolchildren in the City of Uruguaiana, Brazil

Breakfast Habits among Schoolchildren in the City of Uruguaiana, Brazil

Published on: July 29, 2020

Breakfast Omission Reduces Subsequent Resistance Exercise Performance.

Mohamed Nashrudin Bin Naharudin^1,2, Ashril Yusof², Harry Shaw¹

¹National Center of Sport and Exercise Medicine, School of Sport Exercise and Health Science, Loughborough University, Leicester, United Kingdom.

Journal of Strength and Conditioning Research

|February 2, 2019

Summary

Skipping breakfast before resistance exercise can decrease performance in trained individuals who habitually eat breakfast. Consuming a carbohydrate-rich meal beforehand may optimize strength training results.

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Area of Science:

Exercise Physiology
Sports Nutrition

Background:

Limited research exists on the impact of breakfast on resistance exercise performance.
Most studies focus on the effects of carbohydrate intake on endurance activities.

Purpose of the Study:

To investigate the effect of breakfast omission versus consumption on subsequent resistance exercise performance.
To assess subjective feelings of hunger and satiety in relation to exercise.

Main Methods:

Sixteen resistance-trained men who regularly consumed breakfast participated.
Subjects completed two randomized trials: breakfast consumption (BC) and breakfast omission (BO).
Performance was measured by total repetitions completed in back squat and bench press at 90% of 10RM.

Main Results:

Fewer repetitions were completed during the breakfast omission (BO) trial for both back squat and bench press compared to the breakfast consumption (BC) trial.
Subjective ratings indicated greater fullness and lower hunger, desire to eat, and prospective food consumption after BC versus BO.

Conclusions:

Omission of a pre-exercise breakfast can impair resistance exercise performance in habitual breakfast consumers.
Consuming a high-carbohydrate breakfast before resistance exercise may be a beneficial strategy to maximize performance.