Document Detail


Changes in aerobic power of men, ages 25-70 yr.
MedLine Citation:
PMID:  7898326     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
This study quantified and compared the cross-sectional and longitudinal influence of age, self-report physical activity (SR-PA), and body composition (%fat) on the decline of maximal aerobic power (VO2peak). The cross-sectional sample consisted of 1,499 healthy men ages 25-70 yr. The 156 men of the longitudinal sample were from the same population and examined twice, the mean time between tests was 4.1 (+/- 1.2) yr. Peak oxygen uptake was determined by indirect calorimetry during a maximal treadmill exercise test. The zero-order correlations between VO2peak and %fat (r = -0.62) and SR-PA (r = 0.58) were significantly (P < 0.05) higher that the age correlation (r = -0.45). Linear regression defined the cross-sectional age-related decline in VO2peak at 0.46 ml.kg-1.min-1.yr-1. Multiple regression analysis (R = 0.79) showed that nearly 50% of this cross-sectional decline was due to %fat and SR-PA, adding these lifestyle variables to the multiple regression model reduced the age regression weight to -0.26 ml.kg-1.min-1.yr-1. Statistically controlling for time differences between tests, general linear models analysis showed that longitudinal changes in aerobic power were due to independent changes in %fat and SR-PA, confirming the cross-sectional results.
Authors:
A S Jackson; E F Beard; L T Wier; R M Ross; J E Stuteville; S N Blair
Related Documents :
6751586 - Steps toward the development of generalized equations for predicting body composition o...
9699196 - The effect of menopause on regional and total body lean mass.
11735796 - Relationship of dietary fat to age-related maculopathy in the third national health and...
17554396 - Body composition, metabolic syndrome and testosterone in ageing men.
8873066 - Maternal age effect on early human embryonic development and blastocyst formation.
8908686 - Hippocampal age-related changes in schizophrenia: a proton magnetic resonance spectrosc...
Publication Detail:
Type:  Comparative Study; Journal Article    
Journal Detail:
Title:  Medicine and science in sports and exercise     Volume:  27     ISSN:  0195-9131     ISO Abbreviation:  Med Sci Sports Exerc     Publication Date:  1995 Jan 
Date Detail:
Created Date:  1995-04-27     Completed Date:  1995-04-27     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  8005433     Medline TA:  Med Sci Sports Exerc     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  113-20     Citation Subset:  IM; S    
Affiliation:
Cardiopulmonary Laboratory, Kelsey-Seybold Clinic, NASA/Johnson Space Center, Houston, TX 77058.
Export Citation:
APA/MLA Format     Download EndNote     Download BibTex
MeSH Terms
Descriptor/Qualifier:
Adipose Tissue / anatomy & histology
Adult
Aged
Aging / physiology*
Body Composition / physiology
Body Weight / physiology
Calorimetry, Indirect
Cohort Studies
Cross-Sectional Studies
Exercise Test
Humans
Life Style
Linear Models
Longitudinal Studies
Male
Middle Aged
Motor Activity / physiology
Oxygen Consumption / physiology*
Perception / physiology
Skinfold Thickness

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


Previous Document:  Markers for monitoring overtraining and recovery.
Next Document:  Energy costs of walking on a dual-action treadmill in men and women.