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

Mechanism of Breathing III: The Accessory Muscles01:21

Mechanism of Breathing III: The Accessory Muscles

2.4K
The Role of Accessory Muscles in the Respiratory System
The respiratory system is a complex network that relies on primary respiratory muscles like the diaphragm, but also involves accessory muscles to enhance lung expansion and airflow during both inhalation and exhalation.
Enhancing Inhalation with Accessory Muscles:
Accessory muscles such as the sternocleidomastoid, scalene, intercostal, and abdominal muscles are crucial when additional respiratory effort is required, such as during deep...
2.4K
Respiratory Capacities01:24

Respiratory Capacities

818
Respiratory capacities are crucial indicators of lung function, representing the maximum amount of air an individual's respiratory system can handle during various breathing phases.
One key metric is the Inspiratory Capacity (IC), which represents the maximum amount of air that can be inhaled with full effort. IC is calculated by summing the tidal volume and inspiratory reserve volume, typically ranging from 2.4 to 3.6 liters.
The Functional Residual Capacity (FRC) represents the air in the...
818
Mechanism of Breathing II: Expiration01:23

Mechanism of Breathing II: Expiration

1.1K
The Physiology of Expiration: A Seamless Respiratory Process
Expiration, or exhaling, is a complex physiological process that begins as the inspiratory muscles begin to relax. This relaxation triggers a series of events that epitomize the efficiency of the respiratory system.
Mechanism of Expiration:
1.1K
Physiological Control of Respiration01:23

Physiological Control of Respiration

2.1K
Introduction
Breathing, a seemingly passive process, is regulated by the respiratory center in the brainstem. This center coordinates the involuntary control of respirations, which means it occurs without conscious effort, ensuring a smooth and uninterrupted pattern.
Regulation of Ventilation
The body maintains ventilation by monitoring levels of carbon dioxide (CO2), oxygen (O2), and hydrogen ion concentration (pH) in the arterial blood. Among these factors, the level of CO2 plays a crucial...
2.1K
Mechanism of Breathing I: Inspiration01:30

Mechanism of Breathing I: Inspiration

1.5K
Introduction to Inspiration: The Respiratory System in Action
The respiratory system, an essential network for breathing, comprises the conducting and respiratory zones, each playing a crucial role in the overall process of respiration. Let us explore the detailed mechanism of inspiration, or inhalation, which is the first phase of the respiratory cycle.
Pathway of Air during Inspiration
During inspiration, air enters our body through the nose or mouth and moves through the conducting zone,...
1.5K
Neural Control of Respiration01:18

Neural Control of Respiration

2.5K
The neural regulation of respiration is a meticulously coordinated process primarily controlled by the respiratory centers located within the brainstem. These centers, composed of specialized neurons, transmit nerve impulses that control the contraction and relaxation of our respiratory muscles.
Respiratory Centers in the Brainstem
Two primary areas comprise the respiratory center: the medullary respiratory center in the medulla oblongata and the pontine respiratory group in the pons. The...
2.5K

You might also read

Related Articles

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

Sort by
Same author

Transcriptome and miRNome Analysis Provide New Insight Into Host Lipid Accumulation, Innate Immunity, and Viral Persistence in Hepatitis C Virus Infection <i>in vitro</i>.

Frontiers in microbiology·2020
Same author

Synergistic pathogenicity in sequential coinfection with fowl adenovirus type 4 and avian orthoreovirus.

Veterinary microbiology·2020
Same author

The Change Trend of Cause of Death in Patients With Stage I Non-Small Cell Lung Cancer After Surgery in US: A Long-Term Follow-Up Study Based on SEER Database.

Cancer control : journal of the Moffitt Cancer Center·2020
Same author

Changes in microstructure and rheological properties of konjac glucomannan/zein blend film-forming solution during drying.

Carbohydrate polymers·2020
Same author

Dux-Mediated Corrections of Aberrant H3K9ac during 2-Cell Genome Activation Optimize Efficiency of Somatic Cell Nuclear Transfer.

Cell stem cell·2020
Same author

Co-Digestion Biomethane Production and the Effect of Nanoparticle: Kinetics Modeling and Microcalorimetry Studies.

Applied biochemistry and biotechnology·2020

Related Experiment Video

Updated: Jul 12, 2025

Author Spotlight: Exploring Breathing Techniques and Digital Solutions for Enhancing Running Performance
06:26

Author Spotlight: Exploring Breathing Techniques and Digital Solutions for Enhancing Running Performance

Published on: September 27, 2024

515

Motor-Respiratory Coupling Improves Endurance Performance during Rhythmic Isometric Handgrip Exercise.

Zhibin Li1, Wei Li1, Ping-Ju Lin1

  • 1Lab of Intelligent and Bio-mimetic Machinery, Department of Mechanical Engineering, Tsinghua University, Beijing, CHINA.

Medicine and Science in Sports and Exercise
|October 26, 2023
PubMed
Summary

Synchronizing breathing with handgrip movements, specifically inspiration-motor coupling, significantly enhances endurance. This breathing-movement coordination appears to reduce energy demands, improving exercise performance without increasing muscle fatigue.

More Related Videos

Employing the Forced Oscillation Technique for the Assessment of Respiratory Mechanics in Adults
06:11

Employing the Forced Oscillation Technique for the Assessment of Respiratory Mechanics in Adults

Published on: February 9, 2022

5.6K
Acquisition and Semi-Automated Analysis of Respiratory Muscle Surface Electromyography
09:42

Acquisition and Semi-Automated Analysis of Respiratory Muscle Surface Electromyography

Published on: January 24, 2025

582

Related Experiment Videos

Last Updated: Jul 12, 2025

Author Spotlight: Exploring Breathing Techniques and Digital Solutions for Enhancing Running Performance
06:26

Author Spotlight: Exploring Breathing Techniques and Digital Solutions for Enhancing Running Performance

Published on: September 27, 2024

515
Employing the Forced Oscillation Technique for the Assessment of Respiratory Mechanics in Adults
06:11

Employing the Forced Oscillation Technique for the Assessment of Respiratory Mechanics in Adults

Published on: February 9, 2022

5.6K
Acquisition and Semi-Automated Analysis of Respiratory Muscle Surface Electromyography
09:42

Acquisition and Semi-Automated Analysis of Respiratory Muscle Surface Electromyography

Published on: January 24, 2025

582

Area of Science:

  • Exercise Physiology
  • Motor Control
  • Respiratory Physiology

Background:

  • Motor-respiratory coupling, the synchronization of breathing with limb movements, is a known phenomenon.
  • Its specific impact on endurance performance in rhythmic isometric exercises requires further investigation.

Purpose of the Study:

  • To determine if motor-respiratory coupling influences endurance in rhythmic isometric handgrip exercises.
  • To explore the underlying mechanisms if enhanced coupling improves performance.

Main Methods:

  • Eleven subjects performed rhythmic isometric handgrip exercises to exhaustion under three conditions: no respiratory constraint, inspiration-motor coupling (IMC), and expiration-motor coupling.
  • Neuromuscular fatigue was assessed via changes in maximal voluntary contraction (MVC) and EMG.
  • A separate group of 10 subjects underwent electrical stimulation during various breathing conditions to assess force output.

Main Results:

  • Exercise time to exhaustion was significantly longer with IMC (1.27 ± 0.23) compared to expiration-motor coupling (0.82 ± 0.18) and control (0.91 ± 0.18).
  • No significant differences were found in MVC, grip frequency, force, or EMG indices across conditions, indicating similar peripheral fatigue.
  • Finger extensor force during electrical stimulation was higher during fast inspiration compared to normal respiration and fast expiration.

Conclusions:

  • Inspiration-motor coupling effectively improves endurance in rhythmic isometric handgrip exercises.
  • This improvement may stem from reduced energy expenditure in motor control, supported by consistent peripheral fatigue levels.
  • Respiration appears to modulate corticospinal excitability, contributing to enhanced performance.