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

Larynx01:21

Larynx

4.2K
The human larynx, often referred to as the voice box, is an intricate organ located in the neck. It serves as a pathway for air to enter the lungs during respiration and is an essential component of voice production.
Anatomy of the Larynx
The larynx consists of various components, including cartilage, muscles, and vocal cords. Its structure includes three large unpaired cartilages—the thyroid, cricoid, and epiglottis—and three smaller paired cartilages—the arytenoids,...
4.2K
Cardiopulmonary Resuscitation V: Advanced Airway Management Techniques01:30

Cardiopulmonary Resuscitation V: Advanced Airway Management Techniques

480
Airway management is essential in emergency and surgical medicine, ensuring ventilation and oxygenation in patients who cannot maintain their own airway. Clinicians use a range of techniques and devices to secure the airway, depending on the patient’s condition and the clinical context. Key methods include endotracheal intubation, rapid sequence intubation (RSI), supraglottic airway devices, and advanced visualization aids. In cases where these approaches fail, surgical airway...
480
Trachea01:22

Trachea

4.7K
The trachea, commonly known as the windpipe, is a vital part of the human respiratory system. It serves as a passageway for air to travel between the larynx and the bronchi, allowing oxygen to reach the lungs. Let's explore its anatomical features, dimensions, layers of the tracheal wall, associated muscles, and the functions of its parts.
Anatomical Features:
Location: About half of the trachea is situated in the neck, anterior to the esophagus, and extends from the larynx (at the level of...
4.7K
Anatomy of Respiratory System I: Upper Respiratory Tract01:29

Anatomy of Respiratory System I: Upper Respiratory Tract

4.8K
The upper respiratory tract plays a vital role in the respiratory system, comprising several structures that facilitate air intake and prepare air for the lungs. It also serves as the first line of defense against pathogens and particles. This tract includes the nose and nasal cavity, the oral cavity, the paranasal sinuses, and the pharynx, each with specific functions and features.
Nose and nasal cavity
The nose and nasal cavity represent the main external openings of the respiratory tract....
4.8K
Pressure Relationships in Thoracic Cavity01:24

Pressure Relationships in Thoracic Cavity

6.0K
Breathing, otherwise known as pulmonary ventilation, is the process of air movement into and out of the lungs. The main mechanisms propelling pulmonary ventilation are atmospheric pressure (Patm), intra-pulmonary (Ppul ) or intra-alveolar pressure (Palv) within the alveoli, and intrapleural pressure (Pip) within the pleural cavity.
Breathing Mechanisms
Both intra-alveolar and intrapleural pressures rely on specific lung properties. The ability to breathe—allowing air to enter the lungs...
6.0K
Cardiopulmonary Resuscitation II: ACLS Airway Management01:22

Cardiopulmonary Resuscitation II: ACLS Airway Management

555
Airway management is a key skill in emergency and critical care settings, as maintaining a clear airway is essential for adequate oxygenation and ventilation.Head Tilt-Chin Lift TechniqueThe head tilt-chin lift maneuver is an essential technique primarily used in patients without suspected cervical spine injuries. To perform this maneuver, one hand is placed on the patient’s forehead, and gentle pressure is applied backward to tilt the head. The fingertips of the other hand are positioned...
555

You might also read

Related Articles

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

Sort by
Same author

Airway management in patients living with obesity: best practice recommendations from the Society for Obesity and Bariatric Anaesthesia: Endorsed by the All Wales Airway Group, Scottish Airway Group and Difficult Airway Society.

Anaesthesia·2025
Same author

Sedation for awake tracheal intubation: A systematic review and network meta-analysis.

Anaesthesia·2024
Same author

Have anaesthetists' concerns about anaesthesia associates finally been justified?

Anaesthesia·2024
Same author

An elusive truth: does the mechanism of action of the ESP block really matter for rib fractures?

Regional anesthesia and pain medicine·2024
Same author

A novel association of <i>Legionella pneumophila</i>-induced haemophagocytic lymphohistiocytosis and the 'atoll' sign.

Anaesthesia reports·2024
Same author

Time for confidential enquiries into airway complications?

Anaesthesia·2023

Related Experiment Video

Updated: Jan 18, 2026

Manufacture of a Multi-Purpose Low-Cost Animal Bench-Model for Teaching Tracheostomy
10:06

Manufacture of a Multi-Purpose Low-Cost Animal Bench-Model for Teaching Tracheostomy

Published on: May 18, 2019

6.0K

Cricoid Force: Anatomic, Physiologic, and Clinical Concepts.

Andreas Sotiriou1, Imran Ahmad2, Kariem El-Boghdadly2

  • 1Department of Anaesthesia and Perioperative Medicine, Guy's and St Thomas' National Health Service Foundation Trust, London, United Kingdom.

Anesthesiology
|September 9, 2025
PubMed
Summary
This summary is machine-generated.

Cricoid force application in intubation is controversial. While it may have an anatomic basis, its efficacy is uncertain, especially with modern videolaryngoscopy, suggesting limited clinical relevance.

More Related Videos

Image Acquisition using Portable Sonography for Emergency Airway Management
07:31

Image Acquisition using Portable Sonography for Emergency Airway Management

Published on: September 28, 2022

3.0K
Preparation of the Rat Vocal Fold for Neuromuscular Analyses
07:17

Preparation of the Rat Vocal Fold for Neuromuscular Analyses

Published on: May 15, 2020

3.9K

Related Experiment Videos

Last Updated: Jan 18, 2026

Manufacture of a Multi-Purpose Low-Cost Animal Bench-Model for Teaching Tracheostomy
10:06

Manufacture of a Multi-Purpose Low-Cost Animal Bench-Model for Teaching Tracheostomy

Published on: May 18, 2019

6.0K
Image Acquisition using Portable Sonography for Emergency Airway Management
07:31

Image Acquisition using Portable Sonography for Emergency Airway Management

Published on: September 28, 2022

3.0K
Preparation of the Rat Vocal Fold for Neuromuscular Analyses
07:17

Preparation of the Rat Vocal Fold for Neuromuscular Analyses

Published on: May 15, 2020

3.9K

Area of Science:

  • Anesthesiology
  • Airway Management
  • Medical Device Technology

Background:

  • Cricoid force application, a technique used during endotracheal intubation, has a controversial role in modern medical practice.
  • The historical rationale involves occluding the postcricoid hypopharynx to prevent esophageal regurgitation and aspiration.

Purpose of the Study:

  • To critically review the anatomic, physiologic, and contemporary clinical evidence supporting or refuting the use of cricoid force during intubation.
  • To evaluate the efficacy and implications of cricoid force application in the context of current airway management techniques.

Main Methods:

  • Systematic review of existing literature on cricoid force application.
  • Analysis of anatomic and physiologic studies.
  • Assessment of clinical trial data and observational studies regarding intubation success and complications.

Main Results:

  • Anatomic basis for hypopharyngeal occlusion exists, but the physiologic rationale is uncertain.
  • Clinical evidence for efficacy is limited due to inconsistent application and localization.
  • Modern techniques like videolaryngoscopy suggest minimal impact of cricoid force on successful intubation.

Conclusions:

  • The contemporary role of cricoid force application remains uncertain.
  • Improvements may include ultrasound-guided localization, proper force application by trained personnel, and use of videolaryngoscopy, though evidence is limited.
  • Paralaryngeal force application shows potential but requires further research before widespread adoption.