Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Exercise Stress Test

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

Exercise and Muscle Performance

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 and Cardiac Output

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...

Exercise and Cardiovascular Response

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...

Chronic Obstructive Pulmonary Disease

Chronic Obstructive Pulmonary Disease

COPD is defined as a heterogeneous lung condition marked by persistent respiratory symptoms such as dyspnea, cough, and sputum production, caused by abnormalities in the airways that cause airflow obstruction.
Smoking is a primary risk factor for COPD, with over 80% of patients having a history of it. Patients typically experience progressive dyspnea or labored breathing, frequent coughing, and recurrent pulmonary infections. Many eventually succumb to respiratory failure, characterized by...

Design Example: Measuring Distance Between Two Points with Obstructions

Design Example: Measuring Distance Between Two Points with Obstructions

When measuring distances in areas with physical obstructions, such as a lake in a field, surveyors must employ techniques to calculate accurate lengths without direct line measurements. One effective method is the offset technique, which allows for precise distance estimation over inaccessible stretches.In this scenario, a surveyor must measure a side of an area that crosses a lake. Since the measuring tape cannot span the lake, the surveyor begins by establishing a baseline that aligns with...

You might also read

Related Articles

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

Sort by

Same author

A longitudinal study of exercise-induced bronchoconstriction and laryngeal obstruction in high school athletes.

Scandinavian journal of medicine & science in sports·2023

Same author

Self-reported exercise-induced dyspnea and airways obstruction assessed by oscillometry and spirometry in adolescents.

Pediatric allergy and immunology : official publication of the European Society of Pediatric Allergy and Immunology·2021

Same author

Lung ultrasound findings in hospitalized COVID-19 patients in relation to venous thromboembolic events: the ECHOVID-19 study.

Journal of ultrasound·2021

Same author

High Prevalence of Exercise-induced Laryngeal Obstruction in a Cohort of Elite Cross-country Skiers.

Medicine and science in sports and exercise·2020

Same author

The course of specific self-reported exercise-induced airway symptoms in adolescents with and without asthma.

ERJ open research·2020

Same author

Echocardiographic abnormalities and predictors of mortality in hospitalized COVID-19 patients: the ECHOVID-19 study.

ESC heart failure·2020

Search research articles

Related Experiment Video

Updated: Feb 12, 2026

A Swimming-Induced Zebrafish Exercise Apparatus for Versatile Training Approaches

A Swimming-Induced Zebrafish Exercise Apparatus for Versatile Training Approaches

Published on: October 18, 2024

Exercise-Induced Laryngeal Obstruction-An Overview.

Leif Nordang¹, Katarina Norlander¹, Emil Schwarz Walsted²

¹Department of Surgical Sciences, Otorhinolaryngology and Head and Neck Surgery, Uppsala University, Sjukhusvägen 85, 751 85 Uppsala, Sweden.

Immunology and Allergy Clinics of North America

|April 11, 2018

Summary

Exercise-induced laryngeal obstruction causes breathlessness during physical activity. This condition is more common than previously thought and affects both healthy individuals and those with diseases.

Keywords:

Airway obstruction Continuous laryngoscopy during exercise Exercise Exercise-induced laryngeal obstruction Larynx

More Related Videos

Learning Modern Laryngeal Surgery in a Dissection Laboratory

Learning Modern Laryngeal Surgery in a Dissection Laboratory

Published on: March 18, 2020

Home-Based Prescribed Pulmonary Exercise in Patients with Stable Chronic Obstructive Pulmonary Disease

Home-Based Prescribed Pulmonary Exercise in Patients with Stable Chronic Obstructive Pulmonary Disease

Published on: August 24, 2019

Related Experiment Videos

Last Updated: Feb 12, 2026

A Swimming-Induced Zebrafish Exercise Apparatus for Versatile Training Approaches

A Swimming-Induced Zebrafish Exercise Apparatus for Versatile Training Approaches

Published on: October 18, 2024

Learning Modern Laryngeal Surgery in a Dissection Laboratory

Learning Modern Laryngeal Surgery in a Dissection Laboratory

Published on: March 18, 2020

Home-Based Prescribed Pulmonary Exercise in Patients with Stable Chronic Obstructive Pulmonary Disease

Home-Based Prescribed Pulmonary Exercise in Patients with Stable Chronic Obstructive Pulmonary Disease

Published on: August 24, 2019

Area of Science:

Respiratory Medicine
Exercise Physiology
Laryngology

Background:

Exertional dyspnea is a frequent symptom across various health conditions.
The larynx's role in breathlessness has been recognized historically.
Exercise-induced laryngeal obstruction (EILO) is increasingly acknowledged as a significant cause of dyspnea.

Purpose of the Study:

To provide a concise overview of exercise-induced laryngeal obstruction.
To summarize the historical context, prevalence, and underlying mechanisms of EILO.

Main Methods:

Literature review focusing on historical accounts, epidemiological studies, and pathophysiological research related to EILO.
Synthesis of existing knowledge on the causes and prevalence of laryngeal obstruction during exercise.

Main Results:

Exercise-induced laryngeal obstruction is a more common cause of exertional dyspnea than previously recognized.
Understanding the history, epidemiology, and pathophysiology is crucial for diagnosis and management.

Conclusions:

EILO is an underdiagnosed condition contributing significantly to exertional dyspnea.
Further research into the epidemiology and pathophysiology of EILO is warranted.