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Related Concept Videos

Exercise and Cardiac Output01:17

Exercise and Cardiac Output

Regular physical activity is essential for maintaining cardiovascular health, with aerobic exercises being particularly effective. According to the American Heart Association, 150 minutes of moderate to intense aerobic exercise per week is recommended for a healthy heart. Aerobic activities may include brisk walking, running, bicycling, cross-country skiing, and swimming, ideally performed three to five times per week.
Sustained exercise increases the muscles' oxygen demand, which can be met...
Exercise and Cardiovascular Response01:20

Exercise and Cardiovascular Response

Exercise significantly impacts cardiovascular response, which is crucial for understanding patient health and designing effective treatment plans.
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...
Exercise and Muscle Performance01:27

Exercise and Muscle Performance

Exercise induces a range of adaptations in muscle tissue, depending on the type and duration of activity. Such physical training can be broadly categorized into two types: endurance exercises and resistance exercises.
Endurance exercises
Endurance exercises involve running, swimming, or cycling, which require repetitive movements with low force output. When a person engages in endurance exercise, a few noticeable changes occur in their skeletal muscles. For instance, the number of capillaries...
Exercise Stress Test01:26

Exercise Stress Test

Introduction
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

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Related Experiment Video

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Improving Strength, Power, Muscle Aerobic Capacity, and Glucose Tolerance through Short-term Progressive Strength Training Among Elderly People
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Improving Strength, Power, Muscle Aerobic Capacity, and Glucose Tolerance through Short-term Progressive Strength Training Among Elderly People

Published on: July 5, 2017

Effects of an 8-month exercise training program on off-exercise physical activity.

Vikram V Rangan1, Leslie H Willis, Cris A Slentz

  • 1Division of Cardiology, Department of Medicine, Duke University Medical Center, Durham, NC 27710, USA.

Medicine and Science in Sports and Exercise
|March 3, 2011
PubMed
Summary

Regular exercise training does not lead to compensatory reductions in other physical activities. Eight months of aerobic, resistance, or combined training increased overall physical activity energy expenditure (PAEE) without decreasing non-exercise activity.

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Last Updated: Jun 4, 2026

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Area of Science:

  • Exercise physiology
  • Cardiovascular health
  • Metabolic studies

Background:

  • An active lifestyle benefits cardiovascular health.
  • Uncertainty exists regarding exercise's impact on overall physical activity energy expenditure (PAEE).
  • Potential for compensatory reductions in non-exercise physical activity following structured exercise programs.

Purpose of the Study:

  • To evaluate changes in PAEE in response to aerobic training (AT).
  • To assess PAEE changes following resistance training (RT).
  • To determine PAEE alterations with combined aerobic and resistance training (AT/RT).

Main Methods:

  • 82 overweight adults participated in a randomized trial.
  • Intervention groups received 8 months of AT, RT, or AT/RT.
  • Physical activity energy expenditure (PAEE) measured via accelerometers before and after intervention.

Main Results:

  • No significant decrease in off-exercise PAEE observed in any group.
  • Total PAEE significantly increased with AT and AT/RT, but not RT.
  • Exercise training did not induce compensatory reductions in daily physical activity.

Conclusions:

  • Eight months of exercise training did not result in compensatory reductions in off-exercise physical activity.
  • Combined aerobic and resistance training (AT/RT) showed no compensatory reduction despite higher exercise volume.
  • Extended exercise duration may facilitate adaptation to a new steady-state of daily physical activity.