Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Lung Capacity01:47

Lung Capacity

49.6K
The air in the lungs is measured in volumes and capacities. Lung volume measures reflect the amount of air taken in, released, or left over after a lung function, like a single inhalation. Lung capacity measures are sums of two or more lung volume measures.
49.6K
Pulmonary Function Tests01:25

Pulmonary Function Tests

311
Pulmonary Function Tests (PFTs)
Pulmonary Function Tests are crucial diagnostic tools for assessing respiratory function, particularly in patients with chronic respiratory disorders. They comprehensively evaluate lung volumes, ventilatory function, breathing mechanics, diffusion, and gas exchange. These tests help diagnose pulmonary diseases and play a significant role in monitoring disease progression, evaluating disability, and assessing response to therapy.
PFTs involve using a spirometer, a...
311
Respiratory Capacities01:24

Respiratory Capacities

768
Respiratory capacities are crucial indicators of lung function, representing the maximum amount of air an individual's respiratory system can handle during various breathing phases.
One key metric is the Inspiratory Capacity (IC), which represents the maximum amount of air that can be inhaled with full effort. IC is calculated by summing the tidal volume and inspiratory reserve volume, typically ranging from 2.4 to 3.6 liters.
The Functional Residual Capacity (FRC) represents the air in the...
768
Factors Affecting Pulmonary Ventilation01:19

Factors Affecting Pulmonary Ventilation

1.2K
Besides the pressure difference between the external environment and the lungs, the airflow rate and ease of pulmonary ventilation are also influenced by three other factors: surface tension of the fluid in the alveoli, compliance of the lungs, and airway resistance.
Alveolar Surface Tension
The alveolar fluid lines the luminal surface of the alveoli and exerts a force called surface tension. This force is caused by the polar water molecules in the liquid being more strongly attracted to each...
1.2K
Respiratory Volumes01:15

Respiratory Volumes

1.3K
Respiratory volumes are crucial metrics, meticulously measured to quantify the air exchanged in and out of the lungs during various phases of the breathing cycle. These precise measurements are vital for assessing lung function, diagnosing respiratory conditions, and monitoring overall respiratory health. Each parameter provides specific insights into the mechanics of breathing and the functional capacity of the lungs.
Tidal Volume (TV) Tidal volume (TV) is the air inhaled or exhaled in a...
1.3K
Chronic Obstructive Pulmonary Disease-IV: Assessement and Diagnostic Studies01:27

Chronic Obstructive Pulmonary Disease-IV: Assessement and Diagnostic Studies

2.5K
Assessing and diagnosing Chronic Obstructive Pulmonary Disease (COPD) involves a detailed approach that includes a comprehensive review of medical history, physical examination, and a variety of diagnostic tests. This thorough evaluation is essential to ensure an accurate diagnosis and guide effective management strategies.
Medical History
2.5K

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same journal

Development and psychometric validation of the Hair Health and Care Questionnaire (HHCQ): a KAP-based instrument for young adults.

BMC research notes·2026
Same journal

Antibacterial and wound healing activities of AgNPs, ZnONPs, and Fe<sub>3</sub>O<sub>4</sub>NPs against Acinetobacter baumannii and Escherichia coli.

BMC research notes·2026
Same journal

Concomitant caffeine exposure and chronic sleep deprivation impair male sexual performance and fecundity via monoaminergic and hypothalamic-pituitary-adrenal/gonadal axis dysregulation in rats.

BMC research notes·2026
Same journal

Association of functional and social factors with domain-specific quality of life profiles in children with cerebral palsy: findings from a low- and middle-income country.

BMC research notes·2026
Same journal

Implementation of daily objectives for the reduction of multidrug-resistant infections in an intensive care unit.

BMC research notes·2026
Same journal

Association of the FTO rs9939609 variant with glycemic control based on fasting glucose.

BMC research notes·2026

Related Experiment Video

Updated: Jun 9, 2025

Intraperitoneal Glucose Tolerance Test, Measurement of Lung Function, and Fixation of the Lung to Study the Impact of Obesity and Impaired Metabolism on Pulmonary Outcomes
08:30

Intraperitoneal Glucose Tolerance Test, Measurement of Lung Function, and Fixation of the Lung to Study the Impact of Obesity and Impaired Metabolism on Pulmonary Outcomes

Published on: March 15, 2018

14.1K

Exploring the correlation between body mass index and lung function test parameters: a cross-sectional analytical

Waheed Hussein Elsaidy1,2, Sultan Abdullah Alzahrani3, Sami Mohammed Boodai4

  • 1Department of Public Health and Community Medicine, Damietta Faculty of Medicine, Al- Azhar University, Cairo, Egypt. dr.wahid81@gmail.com.

BMC Research Notes
|October 25, 2024
PubMed
Summary
This summary is machine-generated.

Underweight individuals may have lower forced vital capacity (FVC), a key lung function measure. Body Mass Index (BMI) impacts lung function, with age and height also playing significant roles.

Keywords:
Body Mass IndexObesityPulmonary functionSpirometryUnderweight

More Related Videos

A Standardized Method for Measuring Internal Lung Surface Area via Mouse Pneumonectomy and Prosthesis Implantation
08:46

A Standardized Method for Measuring Internal Lung Surface Area via Mouse Pneumonectomy and Prosthesis Implantation

Published on: July 26, 2017

13.2K
Author Spotlight: Integrating Alveolar-Capillary Reserve Measurements in Exercise Adaptation and Therapeutic Strategies
08:44

Author Spotlight: Integrating Alveolar-Capillary Reserve Measurements in Exercise Adaptation and Therapeutic Strategies

Published on: February 2, 2024

649

Related Experiment Videos

Last Updated: Jun 9, 2025

Intraperitoneal Glucose Tolerance Test, Measurement of Lung Function, and Fixation of the Lung to Study the Impact of Obesity and Impaired Metabolism on Pulmonary Outcomes
08:30

Intraperitoneal Glucose Tolerance Test, Measurement of Lung Function, and Fixation of the Lung to Study the Impact of Obesity and Impaired Metabolism on Pulmonary Outcomes

Published on: March 15, 2018

14.1K
A Standardized Method for Measuring Internal Lung Surface Area via Mouse Pneumonectomy and Prosthesis Implantation
08:46

A Standardized Method for Measuring Internal Lung Surface Area via Mouse Pneumonectomy and Prosthesis Implantation

Published on: July 26, 2017

13.2K
Author Spotlight: Integrating Alveolar-Capillary Reserve Measurements in Exercise Adaptation and Therapeutic Strategies
08:44

Author Spotlight: Integrating Alveolar-Capillary Reserve Measurements in Exercise Adaptation and Therapeutic Strategies

Published on: February 2, 2024

649

Area of Science:

  • Pulmonary Medicine
  • Public Health
  • Anthropometry

Background:

  • The relationship between body weight and overall health is a critical public health issue.
  • While obesity's negative effects on lung function are established, the impact of being underweight is less understood.
  • Limited research exists on the pulmonary consequences of underweight status.

Purpose of the Study:

  • To examine the association between Body Mass Index (BMI) categories and various lung function parameters.
  • To investigate how different weight categories influence respiratory health.

Main Methods:

  • Analysis of data from 3077 participants.
  • Comparison of lung function parameters across different BMI categories.
  • Utilized multiple regression analysis to identify influencing factors.

Main Results:

  • Significant differences in demographics (gender, age, height, weight) were noted across BMI categories.
  • While forced vital capacity (FVC) showed non-significant overall variation, underweight individuals exhibited lower FVC than normal or overweight individuals.
  • Body Mass Index (BMI) significantly affected mean forced expiratory flow (FEF) during the middle half of FVC.
  • Age demonstrated a negative correlation with FVC, FEV1, FEV1/FVC ratio, and FEF25-75.
  • Weight and height showed positive correlations with lung function parameters.

Conclusions:

  • Age, sex, smoking status, height, and weight collectively accounted for 41.0% of the variance in FVC, FEV1, and FEF25-75.
  • Underweight status may be associated with reduced lung function, warranting further investigation.
  • Lung function is influenced by a combination of demographic and anthropometric factors.