Related Experiment Video
Updated: Jun 3, 2026

07:10
Home-Based Prescribed Pulmonary Exercise in Patients with Stable Chronic Obstructive Pulmonary Disease
Published on: August 24, 2019
Six-minute walk test in chronic respiratory disease: easy to perform, not always easy to interpret
Abstract
No abstract available in PubMed .
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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.
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