Author(s): Aloke Sen Barman

Abstract:
The volume of air that enters or exits the lungs during each respiratory cycle is known as the tidal volume. It is an essential clinical measure that enables appropriate breathing. Oxygen from the ambient air enters the lungs when a person breathes. After that, it diffuses to arterial blood via the alveolar-capillary contact. At the same time, as long as metabolism occurs, carbon dioxide will continue to form. The purpose of expiration is to release carbon dioxide and keep it from building up within the body. Tidal volume is the term used in physiology to describe the amount of inspired and expired air that contributes to stable blood levels of carbon dioxide and oxygen. The main objective of this study was to do a systematic review to examined the effects of pranayama intervention on tidal volume of lungs. Data was collected from PubMed and Web of Science. Randomized controlled trials published in English from the inception of the database until 20th October, 2025, were included. It may be concluded that strengthening respiratory muscles, enhancing lung and chest wall expansion, and conditioning the body for deeper, more efficient breathing are the main causes of the increase in tidal volume brought on by pranayama.

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