Cardiorespiratory fitness and the relationship between body fat and resting testosterone in men

Objective: To examine the effect of cardiovascular fitness, i.e. VO 2 max, on the relationship between weight status and resting testosterone level (RTL) in males. Materials and methods: A subset of male participants from the 2003-2004 National Health and Nutrition Examination Survey were analyzed b...

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Bibliographic Details
Published in:Archives of physiology and biochemistry 2020-01, Vol.126 (1), p.61-66
Main Authors: Hosick, Peter A., Matthews, Evan L., Leigh, Steven
Format: Article
Language:English
Subjects:
Adipose Tissue - physiology
Adolescent
Adult
aerobic fitness
body composition
Body Composition - physiology
Body Mass Index
Body Weight
Cardiorespiratory Fitness - physiology
Case-Control Studies
Endocrine
Humans
Male
Maximal Voluntary Ventilation - physiology
Nutrition Surveys
obesity
Obesity - blood
Obesity - physiopathology
overweight
Testosterone - blood
United States
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Summary:Objective: To examine the effect of cardiovascular fitness, i.e. VO 2 max, on the relationship between weight status and resting testosterone level (RTL) in males. Materials and methods: A subset of male participants from the 2003-2004 National Health and Nutrition Examination Survey were analyzed by weight status, i.e. normal, overweight, obese, and all participants. Bivariate correlation coefficients were computed for RTL, percent body fat (BF%), and VO 2 max. Partial correlation coefficients were computed between RTL and BF% controlling for VO 2 max and between RTL and VO 2 max controlling for BF%. Results: Bivariate correlations between RTL and BF%, and RTL and VO 2 max were significant in all groups. The partial correlation coefficients between RTL and BF% controlling for VO 2 max were significant in the normal and all participants group. When RTL and VO 2 max were analyzed controlling for BF% only the all participants group remained significant. Conclusion: Cardiovascular fitness or weight status may independently influence RTL in males.
ISSN:1381-3455
1744-4160
DOI:10.1080/13813455.2018.1491996