Authors
Mulyati Sri Rahayu, Nora Maulina, Cut Sidrah Nadira, Siti Syifa, Oktaduta Muhammad
Published in
Physical activity and nutrition. Volume 30. Issue 2. Pages 72-77. Epub Jun 30, 2026.
Abstract
The increasing prevalence of sedentary lifestyles in modern society has become a significant public health concern, correlating with a rise in obesity rates and various chronic diseases, including cardiovascular and respiratory diseases. A critical metric often assessed in health evaluations is maximum oxygen consumption (VO2 max), which is instrumental in gauging an individual's aerobic fitness level. University staff members who engage in limited physical activity are at risk of reduced vital lung capacity (VLC) due to elevated Body Mass Index (BMI). Therefore, this study aimed to determine the relationship between BMI and VLC as predictors of maximum oxygen consumption (VO2 max) in a sedentary population.
An observational cross-sectional study was conducted among 75 male staff members, selected through purposive sampling. Data were collected by measuring BMI and waist circumference, performing spirometry to assess VLC, and performing the Harvard Step Test to assess VO2 max. Multivariate analysis was performed using linear regression.
The mean of BMI, VLC, and VO2 max were 26.02 ± 3.70, 60.13 ± 15.45, and 40.40 ± 3.71. BMI (p = 0.002) and VLC (p = 0.05) were statistically significant independent predictors of VO2 max in the sedentary population.
This study concluded that VO2 max was negatively associated with BMI and positively associated with VLC.
PMID:
42438847
Bibliographic data and abstract were imported from PubMed on 13 Jul 2026.
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