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 Stress Test01:26

Exercise Stress Test

329
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
329
Exercise and Cardiovascular Response01:20

Exercise and Cardiovascular Response

894
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...
894
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
Eccentric Loading01:16

Eccentric Loading

452
Eccentric loading is a crucial concept in the study of structural engineering and mechanics, particularly when analyzing the stability and stress distribution in columns. Unlike centric loading, where the force is applied along the centroidal axis, causing uniform compression, eccentric loading occurs when a force is applied off-center. This off-center application introduces not only direct compressive stress but also bending stress, significantly influencing the column's behavior under...
452
Exercise and Muscle Performance01:27

Exercise and Muscle Performance

1.5K
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...
1.5K
Correlation between ECG and Cardiac Cycle01:25

Correlation between ECG and Cardiac Cycle

7.6K
The electrical signals recorded on an electrocardiogram (ECG) occur before the mechanical processes of contraction and relaxation during the cardiac cycle.
A cardiac action potential originates in the SA node and spreads throughout the atria and the AV node in approximately 0.03 seconds. This results in the P wave in an ECG and triggers atrial contraction. The action potential is then briefly slowed at the AV node, allowing the atria to contract and fill the ventricles with blood before...
7.6K

You might also read

Related Articles

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

Sort by
Same author

Energy Structure of Repeated On-Ice Efforts and Its Dependence on the Aerobic Capacity of a Hockey Player.

Sports (Basel, Switzerland)·2026
Same author

Analysis of Pro- and Anti-Inflammatory Gene Response Patterns in Patients Receiving Phage Therapy.

International journal of molecular sciences·2026
Same author

Body Temperature, Metabolic, and Circulatory Changes After 8 Days of Water-Only Fasting in Healthy Middle-Aged Men.

Journal of clinical medicine·2025
Same author

Relationships Between Body Image and Body Parameters in Men Under Long-Term Fasting Conditions.

Nutrients·2025
Same author

Effects of Fasting on the Physiological and Psychological Responses in Middle-Aged Men.

Nutrients·2023
Same author

Eight-Day Fast and a Single Bout of Exercise: The Effect on Serum Methylarginines and Amino Acids in Men.

Nutrients·2023

Related Experiment Video

Updated: Aug 7, 2025

Conducting Maximal and Submaximal Endurance Exercise Testing to Measure Physiological and Biological Responses to Acute Exercise in Humans
07:26

Conducting Maximal and Submaximal Endurance Exercise Testing to Measure Physiological and Biological Responses to Acute Exercise in Humans

Published on: October 17, 2018

20.5K

Body Loading during an Intensive Yoga Exercise Routine and a Cycle Ergometer Test.

Krzysztof Stec1, Karol Pilis1, Wiesław Pilis1,2

  • 1Department of Health Sciences, Jan Długosz University in Częstochowa, 42-200 Częstochowa, Poland.

International Journal of Environmental Research and Public Health
|March 11, 2023
PubMed
Summary

Dynamic Suryanamaskar (DSN) yoga provides similar cardiovascular, respiratory, and metabolic benefits as a cycle ergometer test (CET). This yoga practice is a viable exercise test and training medium with less perceived exertion.

Keywords:
cardiovascular reactivitymetabolismphysical fitnesspulmonary reactivityyoga

More Related Videos

Effects of Surgical Masks on Cardiopulmonary Function in Healthy Subjects
06:57

Effects of Surgical Masks on Cardiopulmonary Function in Healthy Subjects

Published on: February 12, 2021

3.3K
Determining The Electromyographic Fatigue Threshold Following a Single Visit Exercise Test
06:00

Determining The Electromyographic Fatigue Threshold Following a Single Visit Exercise Test

Published on: July 27, 2015

12.7K

Related Experiment Videos

Last Updated: Aug 7, 2025

Conducting Maximal and Submaximal Endurance Exercise Testing to Measure Physiological and Biological Responses to Acute Exercise in Humans
07:26

Conducting Maximal and Submaximal Endurance Exercise Testing to Measure Physiological and Biological Responses to Acute Exercise in Humans

Published on: October 17, 2018

20.5K
Effects of Surgical Masks on Cardiopulmonary Function in Healthy Subjects
06:57

Effects of Surgical Masks on Cardiopulmonary Function in Healthy Subjects

Published on: February 12, 2021

3.3K
Determining The Electromyographic Fatigue Threshold Following a Single Visit Exercise Test
06:00

Determining The Electromyographic Fatigue Threshold Following a Single Visit Exercise Test

Published on: July 27, 2015

12.7K

Area of Science:

  • Exercise Physiology
  • Sports Science
  • Yoga Research

Background:

  • The physiological effects of yoga, particularly intensive practices like Dynamic Suryanamaskar (DSN), are increasingly studied.
  • Comparing DSN to traditional exercise tests like the cycle ergometer test (CET) can elucidate its efficacy.
  • Understanding DSN's impact on cardiovascular, respiratory, and metabolic functions is crucial for its application.

Purpose of the Study:

  • To compare the physiological responses to Dynamic Suryanamaskar (DSN) and cycle ergometer test (CET) of similar intensity.
  • To evaluate cardiovascular, respiratory, and metabolic functions during both exercise modalities.
  • To assess the subjective intensity and fatigue levels associated with DSN and CET.

Main Methods:

  • 18 middle-aged volunteers with prior DSN experience participated.
  • Participants underwent both CET and DSN protocols to exhaustion in separate sessions.
  • Cardiovascular, respiratory, and metabolic variables were measured at rest, ventilatory anaerobic threshold (VAT), and maximum workload (ML).
  • Subjective exertion was assessed using the Borg scale.

Main Results:

  • No significant differences in cardiovascular, respiratory, or metabolic functions were observed between DSN and CET at comparable intensities.
  • Participants reported significantly lower subjective workload during DSN compared to CET (p < 0.001).
  • Both DSN and CET effectively stressed the cardiovascular, respiratory, and metabolic systems up to the maximum workload.

Conclusions:

  • Dynamic Suryanamaskar (DSN) is physiologically equivalent to cycle ergometer testing (CET) in terms of cardiovascular, respiratory, and metabolic demands.
  • DSN elicits similar physiological adaptations with reduced perceived exertion, making it a suitable laboratory exercise test.
  • This intensive yoga practice serves as an effective training medium for improving physiological functions.