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Related Concept Videos

Breathing01:05

Breathing

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The process of breathing, inhaling and exhaling, involves the coordinated movement of the chest wall, the lungs, and the muscles that move them. Two muscle groups with important roles in breathing are the diaphragm, located directly below the lungs, and the intercostal muscles, which lie between the ribs. When the diaphragm contracts, it moves downward, increasing the volume of the thoracic cavity and creating more room for the lungs to expand. When the intercostal muscles contract, the ribs...
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Deglutition01:25

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Swallowing, otherwise known as deglutition, facilitates the transport of food from the mouth to the stomach. It is a multifaceted process that involves both the tongue and the muscles of the throat and esophagus. Saliva and mucus aid in this process, which takes approximately 4 to 8 seconds for semi-solid or solid food and around 1 second for liquids or very soft food.
Swallowing can be divided into three stages: the voluntary phase, the pharyngeal phase, and the esophageal phase. Although the...
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Mechanism of Breathing III: The Accessory Muscles01:21

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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:
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Mechanism of Breathing I: Inspiration01:30

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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.
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During inspiration, air enters our body through the nose or mouth and moves through the conducting zone,...
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Physiology of the Gastrointestinal System I: Ingestion and Propulsion01:22

Physiology of the Gastrointestinal System I: Ingestion and Propulsion

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The physiology of the gastrointestinal system begins with ingestion as food enters the mouth.
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Other Factors Affecting Respiration Centers01:17

Other Factors Affecting Respiration Centers

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Breathing is primarily an involuntary activity regulated by the brainstem respiratory centers. However, it can also be consciously controlled, allowing us to hold our breath or take deeper breaths when needed. This voluntary control is facilitated by the cerebral motor cortex, which bypasses the medullary centers to stimulate the respiratory muscles directly.
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Clinical Decision Making in the ICU: Dysphagia Screening, Assessment, and Treatment.

Seminars in speech and language·2019
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Subclinical dysphagia in persons with Prader-Willi syndrome.

American journal of medical genetics. Part A·2016
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Related Experiment Video

Updated: Mar 5, 2026

Minimally Invasive Murine Laryngoscopy for Close-Up Imaging of Laryngeal Motion During Breathing and Swallowing
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Breathing and Swallowing: The Next Frontier.

Roxann Diez Gross1, Marybeth Trapani-Hanasewych1

  • 1Department of Speech Therapy, The Children's Institute of Pittsburgh, Pittsburgh, Pennsylvania.

Seminars in Speech and Language
|March 22, 2017
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Summary

Healthy neonates develop coordinated breathing and swallowing, typically exhaling after swallowing. This post-swallow exhalation aids airway clearance, crucial for infant feeding and development.

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Area of Science:

  • Neuroscience
  • Pediatrics
  • Physiology

Background:

  • The shared anatomical pathways for breathing and nutrition require intricate coordination.
  • Brainstem neuroanatomy supports rapid integration of sucking, breathing, and swallowing functions.
  • Early feeding experiences in neonates are vital for developing respiratory control during suckling.

Purpose of the Study:

  • To investigate the coordination patterns between breathing and swallowing in infants.
  • To understand the significance of post-swallow exhalation for airway clearance.
  • To explore the potential of monitoring respiratory signals for identifying aspiration risk in newborns.

Main Methods:

  • Observational studies analyzing breathing and swallowing coordination in infants.
  • Analysis of respiratory signals during nonnutritive sucking and early feeding.
  • Comparison of infant swallowing-breathing patterns with adult patterns.

Main Results:

  • A consistent finding of post-swallow exhalation across various infant studies.
  • Infants transition from swallowing during all respiratory phases to an inhale-swallow-exhale pattern.
  • This pattern approximates the adult exhale-swallow-exhale sequence.

Conclusions:

  • Post-swallow exhalation is a key mechanism for airway clearance in infants.
  • Monitoring respiratory patterns during feeding can identify infants at risk for aspiration.
  • Clinical decisions regarding feeding support can be informed by these respiratory assessments.