Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Exercise and Cardiac Output01:17

Exercise and Cardiac Output

1.2K
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...
1.2K
Factors Influencing Heart Rate01:30

Factors Influencing Heart Rate

3.0K
The heart rate, or pulse rate, is a vital indicator of cardiovascular health. It reflects the number of times the heart beats per minute. Various physiological and environmental factors influence heart rate, increasing or decreasing cardiac output. Understanding these factors is crucial for assessing heart function and identifying potential health issues.
Let us explore the significant factors affecting heart rate, including age, body temperature, posture, acute pain, chemical influences,...
3.0K
Cardiac Output I:Effect of Heart Rate on Cardiac Output01:19

Cardiac Output I:Effect of Heart Rate on Cardiac Output

1.0K
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...
1.0K
Exercise and Cardiovascular Response01:20

Exercise and Cardiovascular Response

995
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...
995
Regulation of Heart Rates01:31

Regulation of Heart Rates

2.0K
The regulation of heart rate is a complex process controlled by the autonomic nervous system (ANS), hormonal influences, and intrinsic cardiac mechanisms. The ANS has two main components: the sympathetic nervous system (SNS) and the parasympathetic nervous system (PNS).
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...
2.0K
Hypertension II: Pathophysiology01:29

Hypertension II: Pathophysiology

31
Hypertension is a chronic condition in which the blood's force against artery walls is excessively high, posing risks such as heart disease. The condition's underlying mechanisms involve complex interactions among the cardiovascular, kidney, and autonomic nervous systems.Renin-Angiotensin-Aldosterone System (RAAS): This system significantly influences blood pressure regulation. When blood pressure decreases, the kidneys secrete renin. This enzyme transforms angiotensinogen, a plasma protein,...
31

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Effect of Methylphenidate on Heart Rate Variability in Children and Adolescents With ADHD: A Systematic Review and Meta-Analysis.

Journal of the American Psychiatric Nurses Association·2026
Same author

Quantifying Epidemiological Risk Transitions of COVID-19 in the Brazilian State of Ceará (2020-2023): A Generalized Linear Modeling Approach.

Epidemiologia (Basel, Switzerland)·2026
Same author

Melatonin Modulates Macrophage Polarization and Immunometabolic Responses in the Colostrum of Obese Mothers.

Metabolites·2026
Same author

Probe-based confocal laser endomicroscopy for prediction of uterine rejection in a patient submitted to live-donor uterus transplantation.

Arquivos brasileiros de cirurgia digestiva : ABCD = Brazilian archives of digestive surgery·2026
Same author

Beyond survival: reconstructing body image and femininity after breast cancer.

Revista da Associacao Medica Brasileira (1992)·2026
Same author

Online interventions for the treatment of sexual dysfunctions: systematic review and meta-analysis.

The journal of sexual medicine·2026

Related Experiment Video

Updated: Aug 13, 2025

Calculating Heart Rate Variability from ECG Data from Youth with Cerebral Palsy During Active Video Game Sessions
08:12

Calculating Heart Rate Variability from ECG Data from Youth with Cerebral Palsy During Active Video Game Sessions

Published on: June 5, 2019

20.0K

Cardiac Behavior and Heart Rate Variability in Elderly Hypertensive Individuals during Aerobic Exercise: A

Paulo Evaristo de Andrade1, Juliana Zangirolami-Raimundo1,2, Tassiane Cristina Morais3

  • 1Laboratório de Delineamento de Estudos e Escrita Científica, Centro Universitário FMABC, São Paulo 09060-590, Brazil.

International Journal of Environmental Research and Public Health
|January 21, 2023
PubMed
Summary

Aerobic exercise impacts heart rate variability similarly in elderly individuals with and without high blood pressure. Both groups showed comparable autonomic modulation post-exercise, though controls experienced transient parasympathetic changes.

Keywords:
autonomic nervous systemelderlyexercisehypertension

More Related Videos

Author Spotlight: Investigating HR-Dependent Cardiac Function in Mouse Models Through a Novel Atrial-Pacing Approach
07:49

Author Spotlight: Investigating HR-Dependent Cardiac Function in Mouse Models Through a Novel Atrial-Pacing Approach

Published on: July 21, 2023

1.5K
Improving Strength, Power, Muscle Aerobic Capacity, and Glucose Tolerance through Short-term Progressive Strength Training Among Elderly People
12:59

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

Published on: July 5, 2017

12.7K

Related Experiment Videos

Last Updated: Aug 13, 2025

Calculating Heart Rate Variability from ECG Data from Youth with Cerebral Palsy During Active Video Game Sessions
08:12

Calculating Heart Rate Variability from ECG Data from Youth with Cerebral Palsy During Active Video Game Sessions

Published on: June 5, 2019

20.0K
Author Spotlight: Investigating HR-Dependent Cardiac Function in Mouse Models Through a Novel Atrial-Pacing Approach
07:49

Author Spotlight: Investigating HR-Dependent Cardiac Function in Mouse Models Through a Novel Atrial-Pacing Approach

Published on: July 21, 2023

1.5K
Improving Strength, Power, Muscle Aerobic Capacity, and Glucose Tolerance through Short-term Progressive Strength Training Among Elderly People
12:59

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

Published on: July 5, 2017

12.7K

Area of Science:

  • Cardiology
  • Gerontology
  • Exercise Physiology

Background:

  • High blood pressure (HBP) is a significant public health issue, particularly in the elderly, due to its prevalence and contribution to morbidity.
  • Aging compromises cardiac function and baroreceptor sensitivity, leading to decreased heart rate variability (HRV) and increased cardiovascular disease risk.

Purpose of the Study:

  • To investigate the autonomic modulation of heart rate in elderly individuals with HBP during and after aerobic exercise.
  • To compare HRV responses between hypertensive and healthy elderly individuals following exercise.

Main Methods:

  • A non-randomized controlled study comparing elderly individuals with HBP (HBP group) and healthy elderly individuals (control group).
  • Collected blood pressure and heart rate variability (HRV) data before, during, and after 30 minutes of aerobic exercise on a treadmill.

Main Results:

  • No significant differences in autonomic modulation or global HRV were observed between the HBP and control groups post-aerobic exercise.
  • The control group exhibited a reduction in high-frequency power (HF) and SD1 within 5 minutes of recovery.
  • The control group showed greater RMSSD and SD1 at 30 minutes post-exercise compared to initial recovery, indicating restored parasympathetic activity.

Conclusions:

  • Aerobic exercise elicits similar autonomic modulation and global HRV responses in elderly individuals with and without HBP.
  • Healthy elderly individuals experienced transient decreases in parasympathetic modulation and HRV post-exercise, which recovered within 30 minutes.