Aerobic fitness impacts sympathoadrenal axis responses to concurrent challenges

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dc.contributor.authorWebb, Heather
dc.contributor.authorRosalky, Deena
dc.contributor.authorMcAllister, Matthew J.
dc.contributor.authorAcevedo, Edmund
dc.contributor.authorKamimori, Gary
dc.creator.orcidhttps://orcid.org/0000-0002-3925-9613en_US
dc.creator.orcidhttp://orcid.org/0000-0003-0601-9434en_US
dc.creator.orcidhttp://orcid.org/0000-0002-6616-9234en_US
dc.creator.orcidhttp://orcid.org/0000-0001-7899-9553en_US
dc.date.accessioned2022-03-22T19:43:46Z
dc.date.available2022-03-22T19:43:46Z
dc.date.issued2017-01-04
dc.description.abstractThe combination of mental and physical challenges can elicit exacerbated cardiorespiratory (CR) and catecholamine responses above that of a single challenge alone. Purpose This study examined the effects of a combination of acute mental challenges and physical stress on cardiorespiratory and catecholamine responses. Method Eight below-average fitness (LF VO2max = 36.58 ± 3.36 ml−1 kg−1 min−1) and eight above-average fitness (HF VO2max = 51.18 ± 2.09 ml−1 kg−1 min−1) participants completed an exercise-alone condition (EAC) session consisting of moderate-intensity cycling at 60% VO2max for 37 min, and a dual-challenge condition (DCC) that included concurrent participation in mental challenges while cycling. Result The DCC resulted in increases in perceived workload, CR, epinephrine, and norepinephrine responses overall. HF participants had greater absolute CR and catecholamine responses compared to LF participants and quicker HR recovery after the dual challenge. Conclusion These findings demonstrate that cardiorespiratory fitness does impact the effect of concurrent stressors on CR and catecholamine responses.en_US
dc.identifier.citationWebb, H.E., Rosalky, D.A., McAllister, M.J., Acevedo, E.O. and Kamimori, G.H., 2017. Aerobic fitness impacts sympathoadrenal axis responses to concurrent challenges. European journal of applied physiology, 117(2), pp.301-313.en_US
dc.identifier.doihttps://doi.org/10.1007/s00421-016-3519-3
dc.identifier.urihttps://hdl.handle.net/1969.6/90300
dc.language.isoen_USen_US
dc.publisherSpringeren_US
dc.subjectDual stressen_US
dc.subjectcardiorespiratory fitnessen_US
dc.subjectSA axisen_US
dc.subjectEpinephrineen_US
dc.subjectNorepinephrineen_US
dc.subjectCardiovascular reactivityen_US
dc.titleAerobic fitness impacts sympathoadrenal axis responses to concurrent challengesen_US
dc.typeArticleen_US

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