Document Detail


The distribution of body fat in relation to habitual activity.
MedLine Citation:
PMID:  596819     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
42 young female subjects aged 19-24 years were selected to form 3 groups based on the estimated hours of physical activity taken each week. They represented 1. very active, 2. active, and 3. sedentary people. Their body fat and fat-free mass (FFM) were estimated from densitometry (corrected for the lung residual volume present during total immersion) and the distribution of subcutaneous fat mass (SFM) was examined by measuring skinfold thickness at 11 sites. The regression of body density on log sigma 4 skinfold was significantly different between the 3 groups for a given skinfold value of up to 40 mm, which corresponded to a higher density value for the very active subjects. The possibility that this observation might be explained by differences in the distribution of fat between subcutaneous and internal fat stores was examined, using empirical calculations of SFM. The proportion of fat situated subcutaneously was higher than previously reported (0.65), with a range of individual values (0.41-0.87), but no significant differences in fat distribution between the 3 groups. Group differences in the relationship between body density and log sigma 4 skinfolds might be explained by variation in the composition of the FFM which may result from differing levels of habitual physical activity. The implication of this possibility in estimating total body fat from density measurements are discussed.
Authors:
W J Brown; P R Jones
Related Documents :
15677799 - An evaluation of candidate definitions of the metabolic syndrome in adult asian indians.
18198309 - Cardiorespiratory fitness influences the blood pressure response to experimental weight...
20670429 - Glycyrrhizic acid improved lipoprotein lipase expression, insulin sensitivity, serum li...
19384859 - Thermoregulatory sympathetic nervous system activity and diet-induced waist-circumferen...
3364399 - Evidence against functional differences between "central" and "peripheral" fat.
18074229 - Effect of high beta-glucan barley on serum cholesterol concentrations and visceral fat ...
3117869 - Assessment of dietary intake of lysine and arginine in patients with herpes simplex.
8404399 - Proximal colonic response and gastrointestinal transit after high and low fat meals.
9990579 - A vitamin e-deficient diet affects nerve regeneration in rats.
Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Annals of human biology     Volume:  4     ISSN:  0301-4460     ISO Abbreviation:  Ann. Hum. Biol.     Publication Date:  1977 Nov 
Date Detail:
Created Date:  1978-02-23     Completed Date:  1978-02-23     Revised Date:  2008-11-21    
Medline Journal Info:
Nlm Unique ID:  0404024     Medline TA:  Ann Hum Biol     Country:  ENGLAND    
Other Details:
Languages:  eng     Pagination:  537-50     Citation Subset:  IM    
Export Citation:
APA/MLA Format     Download EndNote     Download BibTex
MeSH Terms
Descriptor/Qualifier:
Adipose Tissue*
Adult
Body Height
Body Weight
Densitometry
Female
Humans
Physical Exertion*
Probability
Skinfold Thickness

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


Previous Document:  A model for the prediction of energy balance and body weight.
Next Document:  Age of menarche in Oaxaca, Mexico, schoolgirls, with comparative data for other areas of Mexico.