Beneficial changes in energy expenditure and lipid profile after eccentric exercise in overweight and lean women

The aim was to compare lean and overweight females in regard to the effects of eccentric exercise on muscle damage indices, resting energy expenditure (REE) and respiratory quotient (RQ) as well as blood lipid and lipoprotein profile. Lean and overweight females (deviated by their body mass index) p...

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Bibliographic Details
Published in:Scandinavian journal of medicine & science in sports 2010-02, Vol.20 (1), p.e103-e111
Main Authors: Paschalis, V., Nikolaidis, M. G., Giakas, G., Theodorou, A. A., Sakellariou, G. K., Fatouros, I. G., Koutedakis, Y., Jamurtas, A. Z.
Format: Article
Language:English
Subjects:
Adult
cholesterol
Energy cost
Energy Metabolism
Exercise
Exercise - physiology
Female
HDL
Humans
LDL
Life Style
Lifestyle
Lipids
Lipids - blood
metabolism
muscle damage
Muscle Strength Dynamometer
Muscle, Skeletal - pathology
Muscles
Muscles (exercise effects)
Obesity
Overweight - pathology
Overweight - physiopathology
Physical fitness
resistance
Sport science
triacylglycerols
Women
Womens health
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Summary:The aim was to compare lean and overweight females in regard to the effects of eccentric exercise on muscle damage indices, resting energy expenditure (REE) and respiratory quotient (RQ) as well as blood lipid and lipoprotein profile. Lean and overweight females (deviated by their body mass index) performed an eccentric exercise session. Muscle damage, energy cost and lipid profile were assessed pre‐exercise and up to 72 h post‐exercise. After eccentric exercise (i) muscle damage indices were affected more in the overweight subjects compared with the lean subjects; (ii) the elevation of absolute and relative REE was larger and more prolonged in the overweight group compared with the lean group; (iii) after 24 h, RQ had significantly declined, with the overweight subjects exhibiting a larger reduction compared with the lean group; and (iv) the blood lipid profile was favorably modified, with the overweight group exhibiting more favorable responses compared with the lean group. The differences between the lean and the overweight subjects may be partly due to the fact that overweight individuals experienced greater muscle damage than lean individuals. Eccentric exercise may be a promising lifestyle factor to combat obesity and dyslipidemias.
ISSN:0905-7188
1600-0838
DOI:10.1111/j.1600-0838.2009.00920.x