Related Experiment Video
Updated: May 24, 2026
Conducting Maximal and Submaximal Endurance Exercise Testing to Measure Physiological and Biological Responses to Acute Exercise in Humans
Published on: October 17, 2018
Age-predicted maximal heart rate in healthy subjects: The HUNT fitness study
B M Nes1, I Janszky, U Wisløff
1K.G. Jebsen Center of Exercise in Medicine, Department of Circulation and Medical Imaging, Faculty of Medicine, Norwegian University of Science and Technology, Trondheim, Norway.
Insights
Maximal heart rate (HRmax) declines with age, but gender, body composition, and physical activity do not significantly alter this decline. Age alone is a practical predictor of HRmax, though individual variations exist.
Area of Science:
- Cardiology
- Exercise Physiology
- Gerontology
Background:
- Maximal heart rate (HRmax) decreases with age, but its relationship with demographic and physiological factors requires further clarification.
- Existing HRmax prediction formulas may not accurately reflect contemporary populations.
Purpose of the Study:
- To examine the relationship between age and HRmax in a large cohort of healthy adults.
- To investigate the modifying effects of gender, body mass index (BMI), physical activity, and maximal oxygen uptake (VO2max) on this relationship.
Main Methods:
- Utilized data from 3320 healthy men and women from the HUNT Fitness Study (2007-2008).
- Employed general linear modeling to analyze the effect of age on HRmax.
- Compared measured HRmax with predictions from established formulas across different age groups.
Main Results:
- HRmax was primarily predicted by age using the formula: 211 - 0.64·age (SEE, 10.8).
- No significant interaction effects were found for gender, physical activity, VO2max, or BMI on the age-HRmax relationship.
- Previous prediction equations underestimated measured HRmax in individuals over 30 years old.
Conclusions:
- Age is a key determinant of HRmax, with a simple linear relationship applicable across diverse groups.
- The established prediction formula (211 - 0.64·age) provides a practical estimate of HRmax, acknowledging a standard error of 10.8 beats/min.
- Measured HRmax in healthy older adults and women were higher than previously reported, suggesting potential improvements in fitness levels.
Abstract:
Maximal heart rate (HRmax ) declines substantially with age, but the magnitude and possible modifying effect of gender, body composition, and physical activity are not fully established. The present study examined the relationship between HRmax and age in 3320 healthy men and women within a wide age range using data from the HUNT Fitness Study (2007-2008). Subjects were included if a maximal effort could be verified during a maximal exercise test. General linear modeling was used to determine the effect of age on HRmax . Subsequently, the effects of gender, body mass index (BMI), physical activity status, and maximal oxygen uptake were examined. Mean predicted HRmax by three former prediction formulas were compared with measured HRmax within 10-year age groups. HRmax was univariately explained by the formula 211 - 0.64·age (SEE, 10.8), and we found no evidence of interaction with gender, physical activity, VO2max level, or BMI groups. There were only minor age-adjusted differences in HRmax between these groups. Previously suggested prediction equations underestimated measured HRmax in subjects older than 30 years. HRmax predicted by age alone may be practically convenient for various groups, although a standard error of 10.8 beats/min must be taken into account. HRmax in healthy, older subjects and women were higher than previously reported.
More Related Videos
08:27A Real-World High-Intensity Interval Training Protocol for Cardiorespiratory Fitness Improvement
Published on: February 22, 2022
07:40Impact of High-intensity Interval Exercise and Moderate-Intensity Continuous Exercise on the Cardiac Troponin T Level at an Early Stage of Training
Published on: October 10, 2019
Related Concept Videos
01:30Factors Influencing Heart Rate
Let us explore the significant factors affecting heart rate, including age, body temperature, posture, acute pain, chemical influences,...
01:17Exercise and Cardiac Output
Sustained exercise increases the muscles' oxygen demand, which can be met...
01:31Regulation of Heart Rates
The SNS increases heart rate through the release of norepinephrine and epinephrine, which act on beta-1 adrenergic receptors in the heart. This action increases the rate of depolarization in the sinoatrial (SA) node, the heart's...
01:19Cardiac Output I:Effect of Heart Rate on Cardiac Output
Cardiac output (CO) refers to the total amount of blood ejected by one of the ventricles in liters per minute (L/min). In a resting adult, CO ranges from 5 to 6 L/min, adjusting according to the body's metabolic requirements.
Effect of Heart Rate on Cardiac Output
Cardiac output adapts to metabolic demands during stress, physical activity, or illness. The autonomic nervous system regulates heart rate via the sinoatrial node. The parasympathetic nervous system decreases heart rate...
01:20Exercise and Cardiovascular Response
Light to moderate physical activity initiates a series of interconnected responses in the body. The heart rate modestly increases in anticipation of the workout, followed by widespread vasodilation as oxygen consumption by skeletal muscles increases. This results in decreased peripheral resistance, increased capillary blood flow, and accelerated...
01:26Exercise Stress Test
Exercise stress testing, commonly known as a treadmill test, is a noninvasive procedure used to evaluate cardiovascular function and diagnose heart conditions.
Definition
An exercise stress test measures the heart's response to exertion using a treadmill or stationary bicycle. Chest electrodes record the heart's electrical activity through an ECG, and blood pressure is monitored regularly.
Purposes