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Wolverhampton Intellectual Repository and E-Theses > Research Institutes > Research Institute in Healthcare Science > Sport, Exercise and Health Research Group > Cardiovascular disease risk factors in habitual exercisers, lean sedentary men and abdominally obese sedentary men.

Please use this identifier to cite or link to this item: http://hdl.handle.net/2436/82896
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Title: Cardiovascular disease risk factors in habitual exercisers, lean sedentary men and abdominally obese sedentary men.
Authors: O'Donovan, G.
Owen, A.
Kearney, E. M.
Jones, D. W.
Nevill, Alan M.
Woolf-May, K.
Bird, Steve
Citation: International Journal of Obesity, 29 (9):1063-1069
Publisher: nature.com
Journal: International Journal of Obesity
Issue Date: 2005
URI: http://hdl.handle.net/2436/82896
DOI: 10.1038/sj.ijo.0803004
PubMed ID: 15925958
Additional Links: http://www.nature.com/ijo/journal/v29/n9/abs/0803004a.html
http://direct.bl.uk/bld/PlaceOrder.do?UIN=172400757&ETOC=RN&from=searchengine
Abstract: OBJECTIVE: To investigate whether the favourable cardiovascular disease (CVD) risk factor profile of habitual exercisers is attributable to exercise or leanness. DESIGN: Cross-sectional study of 113 nonsmoking men aged 30-45 y. CVD risk factors were compared in exercisers (n=39) and sedentary men (n=74), and in subgroups of lean exercisers (n=37), lean sedentary men (n=46) and obese sedentary men (n=28). Waist girth was used to identify lean (<100 cm) and abdominally obese (> or =100 cm) subgroups. MEASUREMENTS: Blood pressure, physical activity (7-day recall), physical fitness (maximum oxygen consumption) and fasted lipoproteins, apolipoprotein (apo) B, triglycerides, glucose and fibrinogen. RESULTS: Exercisers were fitter and leaner than sedentary men and had a better CVD risk factor profile. Total cholesterol, LDL-cholesterol and apo B concentrations were lower in lean exercisers than in lean sedentary men, suggesting that exercise influences these risk factors. Indeed, time spent in vigorous activity was the only significant predictor of total cholesterol and LDL-cholesterol in multiple linear regression models. Exercise status had little influence on triglycerides and HDL-cholesterol (HDL-C), and unfavourable levels were only evident among obese sedentary men. Waist girth was the sole predictor of triglycerides and HDL-C, explaining 44 and 31% of the variance, respectively. CONCLUSIONS: These findings suggest that the CVD risk factor profile of habitual exercisers is attributable to leanness and exercise. Leanness is associated with favourable levels of HDL-C and triglycerides, while exercise is associated with lower levels of total cholesterol, LDL-cholesterol and apo B.
Type: Article
Language: en
Keywords: Sedentary adults
Sedentary adult men
Sports Science
MeSH: Adult
Apolipoproteins B
Blood Pressure
Body Fat Distribution
Body Mass Index
Cardiovascular Diseases
Cholesterol
Cholesterol, HDL
Cholesterol, LDL
Cross-Sectional Studies
Energy Metabolism
Exercise
Humans
Male
Middle Aged
Obesity
Oxygen Consumption
Risk Factors
Thinness
Triglycerides
ISSN: 0307-0565
Appears in Collections: Sport, Exercise and Health Research Group
Learning and Teaching in Sport, Exercise and Performance

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