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dc.contributor.authorBotcazou, Maïtelen_US
dc.contributor.authorJacob, Christopheen_US
dc.contributor.authorDelamarche, Arlette Gratasen_US
dc.contributor.authorVincent, Sophieen_US
dc.contributor.authorFerrer, Danièle Bentuéen_US
dc.contributor.authorDelamarche, Paulen_US
dc.contributor.authorZouhal, Hassaneen_US
dc.description.abstractThe purpose of this study was to clarify the effect of sex on plasma catecholamine responses to sprint exercise in adolescents and adults. Thirty-six untrained participants took part in this study—9 girls and 10 boys (Tanner Stage 4) and 9 women and 8 men. Each participant performed a 6-s sprint test on a cycle ergometer. Plasma adrenaline (A) and noradrenaline (NA) concentrations were determined successively at rest (A0 and NA0), immediately after the 6-s sprint test (AEX and NAEX), and after 5 min of recovery (A5 and NA5). Peak power, expressed in absolute values or relative to body weight and fat-free mass, was significantly higher in boys than in girls and higher in men than in women (p < .001). No sex effect was observed in AEX in the adolescents, but the NA increase was significantly higher in boys in response to the 6-s sprint (p < .05). In adults, no sex difference was found in NAEX, but AEX was significantly higher in men than in women (p < .05). NAEX was significantly higher in women than in girls (p < .05), and AEX was significantly higher in men than in boys (p < .01). The results of this study suggest that male and female adolescents and young adults might exhibit different catecholamine responses to sprint exercise.en_US
dc.format.extent12 p.en_US
dc.titleSex effect on catecholamine responses to sprint exercise in adolescents and adultsen_US
dc.typeJournal Articleen_US
dc.contributor.affiliationDepartment of Physical Educationen_US
dc.relation.ispartoftextJournal of pediatric exercice scienceen_US
Appears in Collections:Department of Physical Education
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