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 Cardiovascular Response01:20

Exercise and Cardiovascular Response

3.8K
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...
3.8K
Exercise Stress Test01:26

Exercise Stress Test

949
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
949
Exercise and Cardiac Output01:17

Exercise and Cardiac Output

1.7K
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...
1.7K
Exercise and Muscle Performance01:27

Exercise and Muscle Performance

2.2K
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...
2.2K

You might also read

Related Articles

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

Sort by
Same author

Effects of Resistance Exercise and Whey Protein Supplementation on Irisin Levels in Patients with MASLD Under a Calorie-Restricted Diet.

Nutrients·2026
Same author

Mapping the acute trajectory of sport-related concussion outcomes across symptoms, cognition, and blood biomarkers.

Sports medicine and health science·2026
Same author

The political landscape of physical activity and climate action in Canada's social climate.

The journal of climate change and health·2026
Same author

Temporal trends in physical activity and diet quality among Korean adults (2018-2021).

Nutrition and health·2026
Same author

Independent and Combined Effects of Resistance Training and Whey Protein on Skeletal Muscle Mass and Function in Individuals with MASLD Under Caloric Restriction.

Nutrients·2026
Same author

Utilizing Carbonated Reclaimed Water as Concrete Mixing Water: Improved CO<sub>2</sub> Uptake and Compressive Strength.

Materials (Basel, Switzerland)·2026

Related Experiment Video

Updated: Dec 30, 2025

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

13.0K

Relationship between Shift Type and Voluntary Exercise Training in South Korean Firefighters.

Seiyeong Park1, Junhye Kwon1, Kyoungmin Noh1

  • 1Department of Physical Education, College of Education, Seoul National University, Seoul 08826, Korea.

International Journal of Environmental Research and Public Health
|January 26, 2020
PubMed
Summary

South Korean firefighters on the 24-hour shift system engage in less exercise training (ET), especially in larger cities. Improving the work environment is crucial for the feasibility of this shift type.

Keywords:
exercise trainingfirefightershift work

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

3.5K
Impact of High-intensity Interval Exercise and Moderate-Intensity Continuous Exercise on the Cardiac Troponin T Level at an Early Stage of Training
07:40

Impact 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

7.7K

Related Experiment Videos

Last Updated: Dec 30, 2025

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

13.0K
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

3.5K
Impact of High-intensity Interval Exercise and Moderate-Intensity Continuous Exercise on the Cardiac Troponin T Level at an Early Stage of Training
07:40

Impact 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

7.7K

Area of Science:

  • Occupational Health
  • Firefighter Physiology
  • Public Health

Background:

  • The 24-hour shift system is preferred by 69% of South Korean firefighters.
  • Extended work shifts may negatively impact firefighter performance and fitness.
  • Shift type's influence on exercise training (ET) and fitness requires investigation.

Purpose of the Study:

  • To examine the impact of shift type on firefighter ET.
  • To identify the interaction between shift type and city size on firefighter ET.

Main Methods:

  • Logistic regression models analyzed data from 5196 South Korean firefighters in 2017.
  • The study focused on incumbent outside workers within the fire service.

Main Results:

  • Firefighters on the three-circuit (24-hour) system had lower ET participation than those on the 21-circuit system.
  • This difference in ET was more pronounced in large cities compared to small towns.

Conclusions:

  • The current three-circuit system is not sustainable in South Korea.
  • Establishing a supportive environment is necessary for the successful implementation of the three-circuit system.