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The Relationship between Perceived Exertion and Heart Rate in Children and Adults
Mary C Gillach1, James F Sallis2, Michael J Buono1
1Departments of Biology and Physical Education at San Diego State University, San Diego, CA 92182, USA.
Pediatric Exercise Science
|March 23, 2023
Summary
Children and adults perceive exertion similarly during exercise. However, their perceived exertion levels do not accurately predict physiological strain, measured by heart rate, in submaximal cycle ergometry.
Area of Science:
- Exercise Physiology
- Pediatric Exercise Science
- Sports Medicine
Background:
- Understanding the relationship between physiological strain and perceived exertion is crucial for exercise prescription and monitoring.
- Previous research has explored this relationship, but comparisons between children and adults, and the impact of different correlation methods, require further investigation.
Purpose of the Study:
- To compare the relationship between heart rate (HR) and ratings of perceived exertion (RPE) in children and adults during submaximal cycle ergometry.
- To evaluate two distinct methods of correlating HR and RPE data.
- To determine if children's RPE is comparable to adults' and if RPE predicts physiological strain in both groups.
Main Methods:
- 193 children (mean age 11 yrs) and 188 adults (mean age 36 yrs) underwent submaximal cycle ergometry.
- Heart rate (HR) and ratings of perceived exertion (RPE) were recorded.
- Two correlation methods were employed: individual data correlation (mean r) and group data correlation (simultaneous r).
Main Results:
- Individual correlation methods yielded high coefficients (r = 0.92–0.95) for both children and adults.
- Group correlation methods produced significantly lower coefficients (r = 0.63–0.65).
- No significant differences were found between children and adults, and no practice effect was observed.
Conclusions:
- Children aged 11 are as capable as adults in expressing ratings of perceived exertion.
- Absolute levels of perceived exertion are not reliable predictors of physiological strain (heart rate) in this age group and during this type of exercise.
- The method of data analysis significantly impacts the observed correlation between HR and RPE.
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