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Exercise and Cardiovascular Response01:20

Exercise and Cardiovascular Response

1.1K
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...
1.1K
Exercise Stress Test01:26

Exercise Stress Test

473
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
473
Exercise and Cardiac Output01:17

Exercise and Cardiac Output

1.3K
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...
1.3K
Stress Prevention and Stress Management Techniques III01:25

Stress Prevention and Stress Management Techniques III

104
Regular exercise and meditation serve as essential tools in managing stress and promoting physical and mental well-being.
The Role of Exercise in Stress Management
Regular physical activity is essential for reducing stress and promoting cardiovascular health. Exercise strengthens the heart, enhances blood flow, keeps blood vessels flexible, and helps lower blood pressure, all of which reduce the body's stress response. Research shows that adults who exercise regularly have nearly half the...
104
Lifestyle Factors and Health01:20

Lifestyle Factors and Health

122
Lifestyle factors play a critical role in maintaining overall health and preventing chronic diseases. Key elements, such as regular physical activity, a nutritious diet, and abstinence from smoking, can significantly enhance physical, mental, and emotional well-being while reducing the risk of several life-threatening conditions.
Benefits of Physical Activity
Physical activity, whether through structured exercise or casual activities like walking, biking, or dancing, is a cornerstone of a...
122
Coronary Artery Disease IV: Preventive Measures01:26

Coronary Artery Disease IV: Preventive Measures

31
Effective preventive measures for coronary artery disease (CAD) focus on controlling modifiable risk factors, including cholesterol abnormalities and lifestyle changes.Cholesterol ManagementFirst, the Mediterranean diet and the American Heart Association advocate for maintaining low-density lipoprotein (LDL) cholesterol levels below 100 mg/dL, with a more stringent recommendation of below 70 mg/dL for individuals at high risk. LDL cholesterol, often termed "bad cholesterol," can lead to the...
31

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Related Experiment Video

Updated: Sep 5, 2025

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

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Irisin, Exercise, and COVID-19.

Hugo Rodrigues Alves1, Guilherme Schittine Bezerra Lomba1, Cassiano Felippe Gonçalves-de-Albuquerque2,3

  • 1Department of Cell and Molecular Biology, Fluminense Federal University, Niterói, Brazil.

Frontiers in Endocrinology
|July 5, 2022
PubMed
Summary

Exercise-induced irisin, an adipomyokine, combats inflammation and improves metabolism. Higher irisin levels may offer a better prognosis for patients with COVID-19 by mitigating cytokine release storm.

Keywords:
COVID-19adipomyokineexerciseinflammationirisin

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A Novel Digital Platform for a Monitored Home-based Cardiac Rehabilitation Program
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A Novel Digital Platform for a Monitored Home-based Cardiac Rehabilitation Program
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Area of Science:

  • Exercise physiology
  • Immunology
  • Metabolic disease

Background:

  • Irisin, a thermogenic adipomyokine produced during exercise, enhances glucose and lipid metabolism.
  • Irisin demonstrates anti-inflammatory properties, potentially improving outcomes in inflammatory conditions like COVID-19.
  • COVID-19 infection can trigger systemic inflammation via pathways like MAPK and TLR4/MyD88, increasing mortality risk.

Purpose of the Study:

  • To explore the molecular mechanisms of irisin's anti-inflammatory effects.
  • To investigate irisin's role in mitigating cytokine release storm (CRS) in SARS-CoV2 infection.
  • To assess how irisin may prevent severe outcomes in COVID-19 patients.

Main Methods:

  • Review of existing literature on irisin, inflammation, and SARS-CoV2.
  • Analysis of molecular pathways affected by exercise, irisin, and viral infection.
  • Exploration of the interplay between AMPK, MAPK, and TLR4/MyD88 signaling in COVID-19.

Main Results:

  • Exercise-induced irisin may counteract SARS-CoV2-induced inflammatory signaling.
  • Irisin has the potential to decrease the production of inflammatory cytokines.
  • Elevated irisin levels in healthy individuals may correlate with a better prognosis in SARS-CoV2 infection.

Conclusions:

  • Irisin exhibits significant anti-inflammatory properties relevant to managing CRS in COVID-19.
  • Understanding irisin's mechanisms could lead to novel therapeutic strategies for severe SARS-CoV2.
  • Promoting irisin activity through exercise may be beneficial for patients with COVID-19.