Plasma and salivary steroid hormone responses of men to high-intensity cycling and resistance exercise

2.50
Hdl Handle:
http://hdl.handle.net/10547/279356
Title:
Plasma and salivary steroid hormone responses of men to high-intensity cycling and resistance exercise
Authors:
Hough, John P.; Papacosta, Elena; Wraith, Elizabeth; Gleeson, Michael
Abstract:
Hormonal responses to exercise could be used as a marker of overreaching. A short exercise protocol that induces robust hormonal elevations in a normal trained state should be able to highlight hormonal changes during overreaching. This study compared plasma and salivary cortisol and testosterone responses to 4 exercise trials; these were (a) continuous cycle to fatigue at 75% peak power output (Wmax) (FAT); (b) 30-minute cycle alternating 1-minute 60% and 1 minute 90% Wmax (60/90); (c) 30-minute cycle alternating 1-minute 55% and 4-minute 80% Wmax (55/80); and (d) Squatting 8 sets of 10 repetitions at 10 repetition maximum (RESIST). Blood and saliva samples were collected pre-exercise and at 0, 10, 20, 30, 40, 50, and 60 minute postexercise. Pre- to postexercise plasma cortisol increased in all exercise trials, except 60/90. Increases in 55/80 remained above pre-exercise levels for the entire postexercise period. Salivary cortisol increased from pre- to postexercise in FAT and 55/80 trials only. Once elevated after 55/80, it remained so for the postexercise period. Plasma testosterone increased from pre- to postexercise in all trials except 55/80. Saliva testosterone increased from pre- to postexercise in all trials with the longest elevation occurring after 55/80. Area under the curve analysis indicated that the exercise response of salivary hormones was greater in all cycle trials (cortisol) and in the 60/90 and 55/80 trials (testosterone) compared with the other trials. This study indicates that the 55/80 cycle protocol induces a prolonged salivary and plasma cortisol and salivary testosterone response compared with the other trials and so may be a useful diagnostic tool of overreaching.
Citation:
Hough, J. P., Papacosta, E., Wraith, E. and Gleeson, M. (2011) 'Plasma and Salivary Steroid Hormone Responses of Men to High-Intensity Cycling and Resistance Exercise', Journal of Strength and Conditioning Research, 25(1), pp.23-31
Publisher:
Lippincott, Williams & Wilkins
Journal:
Journal of Strength and Conditioning Research
Issue Date:
2011
URI:
http://hdl.handle.net/10547/279356
DOI:
10.1519/JSC.0b013e3181fef8e7
Additional Links:
http://content.wkhealth.com/linkback/openurl?sid=WKPTLP:landingpage&an=00124278-201101000-00004
Type:
Article
Language:
en
ISSN:
1064-8011
Appears in Collections:
Applied Sport and Exercise Physiology

Full metadata record

DC FieldValue Language
dc.contributor.authorHough, John P.en_GB
dc.contributor.authorPapacosta, Elenaen_GB
dc.contributor.authorWraith, Elizabethen_GB
dc.contributor.authorGleeson, Michaelen_GB
dc.date.accessioned2013-04-08T13:36:27Zen
dc.date.available2013-04-08T13:36:27Zen
dc.date.issued2011en
dc.identifier.citationHough, J. P., Papacosta, E., Wraith, E. and Gleeson, M. (2011) 'Plasma and Salivary Steroid Hormone Responses of Men to High-Intensity Cycling and Resistance Exercise', Journal of Strength and Conditioning Research, 25(1), pp.23-31en_GB
dc.identifier.issn1064-8011en
dc.identifier.doi10.1519/JSC.0b013e3181fef8e7en
dc.identifier.urihttp://hdl.handle.net/10547/279356en
dc.description.abstractHormonal responses to exercise could be used as a marker of overreaching. A short exercise protocol that induces robust hormonal elevations in a normal trained state should be able to highlight hormonal changes during overreaching. This study compared plasma and salivary cortisol and testosterone responses to 4 exercise trials; these were (a) continuous cycle to fatigue at 75% peak power output (Wmax) (FAT); (b) 30-minute cycle alternating 1-minute 60% and 1 minute 90% Wmax (60/90); (c) 30-minute cycle alternating 1-minute 55% and 4-minute 80% Wmax (55/80); and (d) Squatting 8 sets of 10 repetitions at 10 repetition maximum (RESIST). Blood and saliva samples were collected pre-exercise and at 0, 10, 20, 30, 40, 50, and 60 minute postexercise. Pre- to postexercise plasma cortisol increased in all exercise trials, except 60/90. Increases in 55/80 remained above pre-exercise levels for the entire postexercise period. Salivary cortisol increased from pre- to postexercise in FAT and 55/80 trials only. Once elevated after 55/80, it remained so for the postexercise period. Plasma testosterone increased from pre- to postexercise in all trials except 55/80. Saliva testosterone increased from pre- to postexercise in all trials with the longest elevation occurring after 55/80. Area under the curve analysis indicated that the exercise response of salivary hormones was greater in all cycle trials (cortisol) and in the 60/90 and 55/80 trials (testosterone) compared with the other trials. This study indicates that the 55/80 cycle protocol induces a prolonged salivary and plasma cortisol and salivary testosterone response compared with the other trials and so may be a useful diagnostic tool of overreaching.en_GB
dc.language.isoenen
dc.publisherLippincott, Williams & Wilkinsen_GB
dc.relation.urlhttp://content.wkhealth.com/linkback/openurl?sid=WKPTLP:landingpage&an=00124278-201101000-00004en_GB
dc.rightsArchived with thanks to Journal of Strength and Conditioning Researchen_GB
dc.titlePlasma and salivary steroid hormone responses of men to high-intensity cycling and resistance exerciseen
dc.typeArticleen
dc.identifier.journalJournal of Strength and Conditioning Researchen_GB
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