Global Advanced Research Journal of Medicine and Medical Sciences (GARJMMS) ISSN: 2315-5159
February 2014 Vol. 3(2), pp. 044-046
Copyright © 2014 Global Advanced Research Journals

 

Full Length Research Paper

Plasma volume decreases in obese adolescents: An important performance limiting factor during supramaximal exercise

Jabbour G* and Iancu HD

School of Kinesiology and Leisure, Faculty of Health Sciences and Community Services, Université de Moncton, New Brunswick, E1A 3E9, Canada.

*Corresponding Author E-mail: georgesjabbour1980@hotmail.com;  Phone number: (506) 858-4165; Fax number: (506) 858-4308

Accepted 24 February, 2014

Abstract

This work examines the relationship between plasma volume variation and performance measured during supramaximal exercise among adolescents with different body weight statuses. Sixteen adolescents (normal-weight, over weight and obese) performed an exercise sprint on an ergometer cycle. Following exercise, plasma volume decreased significantly in the obese group and was associated with decreases in performance (r =-0.85, p<0.05) compared to the overweight and normal-weight groups (p<0.01). Our results suggest that the decrease in plasma volume that occurs after an exercise sprint test may limit performance during repeated sprint exercise in obese and overweight adolescent boys.

Keywords: Obese, performance, supramaximal exercise, plasma decreases, adolescents, boys.

 

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