Related Experiment Video
Updated: May 28, 2026
10:13
Hemi-laryngeal Setup for Studying Vocal Fold Vibration in Three Dimensions
Published on: November 25, 2017
The Voice Eruption Volcano Model: A Conceptual Framework for Understanding and Preventing Voice Problems among School
Sushmitha Murali1, Prakash Boominathan1
1Sri Ramachandra Faculty of Audiology and Speech Language Pathology, Sri Ramachandra Institute of Higher Education & Research (DU), Chennai, Tamil Nadu, India.
Summary
Teachers face high voice risks from work demands. The new "Voice Eruption Volcano Model" explains how factors build up, promoting proactive vocal health care and prevention for educators.
Area of Science:
- Occupational Health
- Speech-Language Pathology
- Health Psychology
Background:
- Teachers are a high-risk group for voice disorders due to occupational voice strain.
- Current interventions often focus on symptoms rather than underlying causes.
- A dynamic, cumulative model is needed to understand teachers' voice problems.
Purpose of the Study:
- To introduce the "Voice Eruption Volcano Model" as a conceptual framework for understanding teachers' voice problems.
- To integrate this model with the Transtheoretical Model of Health Behavioral Change.
- To promote proactive vocal health management and preventive care for teachers.
Main Methods:
- Conceptual framework development using a volcanic eruption metaphor.
- Integration with the Transtheoretical Model of Health Behavioral Change.
- Discussion of implications for clinical practice, education, and policy.
Main Results:
- The "Voice Eruption Volcano Model" illustrates the cumulative interaction of environmental, lifestyle, and occupational factors.
- The model highlights the escalation and pressure build-up leading to voice problems.
- Integration with the Transtheoretical Model supports early identification and behavioral change.
Conclusions:
- The "Voice Eruption Volcano Model" provides a dynamic perspective on teachers' voice disorders.
- It shifts focus from reactive treatment to proactive vocal health.
- The model is relevant for clinicians, educators, and policymakers in implementing preventive strategies.
Related Concept Videos
01:21Larynx
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, corniculates, and...
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, corniculates, and...
01:29Assessment of Ventilation II: Respiratory Depth and Rhythm
Respiratory Depth
Respiratory depth measures the volume of air inhaled or exhaled during a breath. It can vary from shallow to deep and typically remains consistent when a person is at rest or asleep. Occasionally, individuals will automatically inhale deeply, known as sighing, which inflates the lungs with more air than normal breathing.
To assess respiratory depth, observe the degree of chest excursion or movement:
Respiratory depth measures the volume of air inhaled or exhaled during a breath. It can vary from shallow to deep and typically remains consistent when a person is at rest or asleep. Occasionally, individuals will automatically inhale deeply, known as sighing, which inflates the lungs with more air than normal breathing.
To assess respiratory depth, observe the degree of chest excursion or movement:
01:28Physical Assessment of the Respiratory Tract IV: Auscultation
Auscultation is a crucial component of the physical assessment of the respiratory tract. It offers valuable insights into airflow through the bronchial tree and potential lung obstructions. This process involves careful listening to breath, voice, and adventitious sounds, which can reveal a wealth of information about a patient's respiratory health.
Breath Sounds
Breath sounds are categorized into vesicular, bronchovesicular, and bronchial.
Breath Sounds
Breath sounds are categorized into vesicular, bronchovesicular, and bronchial.
01:24Facial Feedback Hypothesis
Charles Darwin proposed that facial expressions are an evolutionary adaptation for communication. He argued that these expressions are not influenced by culture but are universal across species. For example, a snarling expression with exposed teeth signals a threat in many animals, including humans. Darwin also suggested that displaying an emotion can intensify the feeling. Smiling, for example, could enhance one's sense of happiness. This idea laid the foundation for understanding the role of...
01:29Physical Assessment of the Respiratory Tract III: Percussion
The respiratory system, fundamental to life, consists of complex structures responsible for gas exchange. The percussion assessment is critical to understanding this system's health and functionality. This non-invasive assessment technique allows healthcare providers to evaluate the density or aeration of the lungs, thereby identifying potential abnormalities.
Percussion in Respiratory Assessment
Percussion evaluates underlying tissue composition with audible and tactile vibrations,...
Percussion in Respiratory Assessment
Percussion evaluates underlying tissue composition with audible and tactile vibrations,...
01:25Suctioning the Oropharyngeal Airway
In preparing for oropharyngeal airway suctioning, a nurse must gather all necessary equipment, including a suction unit with tubing, a prepackaged suction kit, sterile gloves, water or saline for irrigation, a water-soluble lubricant, and additional personal protective equipment (such as a gown, mask, and goggles) to control infections.
After assembling the equipment, the nurse should practice hand hygiene and don appropriate PPE according to infection control guidelines to avoid the...
After assembling the equipment, the nurse should practice hand hygiene and don appropriate PPE according to infection control guidelines to avoid the...