Document Detail


Concentrations of salivary testosterone, cortisol, and immunoglobulin A after supra-maximal exercise in female adolescents.
MedLine Citation:
PMID:  20853205     Owner:  NLM     Status:  In-Process    
Abstract/OtherAbstract:
The aim of this study was to examine the effect of supra-maximal exercise on circulating concentrations of salivary testosterone, salivary cortisol, and salivary immunoglobulin A in female adolescents. Nineteen apparently healthy females aged 15-16 years participated in this study. All participants completed 668 s sprints, interspersed with 30 s recovery intervals on a cycle ergometer. Salivary testosterone, cortisol, and immunoglobulin A samples were taken before and 5 min after exercise. Experimental procedures continued over two mornings, at least 3 h after a light breakfast. Participants refrained from performing any strenuous physical activity for at least 24 h prior to the exercise test. None of the participants were engaged in a structured training programme. The group mean (± s) for peak power output was 562 ± 113.0 W. Female adolescents recruited for this study showed no changes in salivary testosterone, cortisol or immunoglobulin A following repeated bouts of supra-maximal cycling (P > 0.05). To date, there has been a paucity of information concerning adolescents' hormonal and mucosal immune function responses to supra-maximal exercise. Our data provide further guidance with regard to physical activities and sports prescription for female adolescents. Further research, on a larger sample of females, is required to elucidate the physiological significance of these findings.
Authors:
N E Thomas; A Leyshon; M G Hughes; M A Jasper; B Davies; M R Graham; J M Bulloch; J S Baker
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Journal of sports sciences     Volume:  28     ISSN:  1466-447X     ISO Abbreviation:  J Sports Sci     Publication Date:  2010 Oct 
Date Detail:
Created Date:  2011-04-15     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8405364     Medline TA:  J Sports Sci     Country:  England    
Other Details:
Languages:  eng     Pagination:  1361-8     Citation Subset:  IM    
Affiliation:
Centre for Children and Young People's Health and Well-Being, School of Human and Health Sciences, Swansea University, Swansea, UK. n.e.thomas@swansea.ac.uk
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