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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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Hyperpnea and Hyperventilation01:25

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Hyperventilation refers to a higher-than-normal rate and depth of breathing, often associated with anxiety attacks. This excessive breathing surpasses the body's need to expel CO2, leading to a condition known as hypocapnia - an unusually low level of carbon dioxide in the blood. Hypocapnia can constrict cerebral blood vessels, reducing blood flow to the brain, which may result in dizziness or fainting. Early signs include tingling and muscle spasms in the hands and face, caused by falling...
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Other Factors Affecting Respiration Centers01:17

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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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Assessment of Respiration01:23

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The respiratory system's basic structures and primary functions lay the foundation for nurses' comprehensive respiratory assessments. This assessment includes subjective and objective data to gauge the patient's respiratory health.
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Alterations in Respiration II01:30

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There are numerous types of normal and abnormal respiration. Based on ventilatory movements, breathing patterns are classified as regular, deep, or shallow. Examples include Biot's breathing, Cheyne-Stokes respiration, Kussmaul's breathing, hyperventilation, and hypoventilation. Each pattern is clinically significant and aids in evaluating patients.
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Physiological Control of Respiration01:23

Physiological Control of Respiration

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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.
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Related Experiment Video

Updated: Dec 5, 2025

Investigation into Deep Breathing through Measurement of Ventilatory Parameters and Observation of Breathing Patterns
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Investigation into Deep Breathing through Measurement of Ventilatory Parameters and Observation of Breathing Patterns

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Breathing exercises and pranayamas to decrease perceived exertion during breath-holding while locked-down due to

Mayank Shukla1, Diksha Chauhan2, Ritu Raj2

  • 1AP-III, AIPT, 9711113097, India.

Complementary Therapies in Clinical Practice
|October 19, 2020
PubMed
Summary

Anulom Vilom Pranayama (AVP) maximally reduces perceived exertion during breath-holding. Diaphragmatic Breathing Exercises (DBE) significantly increase breath-holding time more than other techniques studied.

Keywords:
Anulom vilomDiaphragmatic breathingKapal bhatiPranayamaPursed-lip breathing

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Area of Science:

  • Respiratory physiology
  • Breathing exercises
  • Pranayama

Background:

  • Breathing exercises are widely used for respiratory management.
  • Different techniques like Pranayama and pursed-lip breathing have varying physiological effects.
  • The comparative efficacy of these techniques on breath-holding capacity and perceived exertion is not well-established.

Purpose of the Study:

  • To compare the effectiveness of Anulom Vilom Pranayama (AVP), Kapal Bhati Pranayama (KBP), Diaphragmatic Breathing Exercises (DBE), and Pursed-Lip Breathing (PLB).
  • To evaluate the impact of these techniques on breath-holding time (BHT) and rating of perceived exertion (RPE).

Main Methods:

  • A randomized controlled trial involving 60 participants (15 per group) was conducted.
  • Participants were trained in one of the four breathing techniques (AVP, KBP, DBE, PLB) for one week.
  • Breath-holding time (BHT) and rating of perceived exertion (RPE) were assessed before and after the intervention period.

Main Results:

  • Anulom Vilom Pranayama (AVP) and Diaphragmatic Breathing Exercises (DBE) significantly decreased RPE (p < 0.000).
  • DBE showed a greater increase in BHT compared to KBP and PLB (p < 0.05), but not significantly more than AVP.
  • One-way ANOVA indicated significant variation in RPE change across the interventions, particularly for AVP.

Conclusions:

  • Anulom Vilom Pranayama (AVP) is most effective in reducing perceived exertion during breath-holding.
  • Diaphragmatic Breathing Exercises (DBE) are more effective in increasing breath-holding time compared to KBP and PLB.