Trained and untrained males show reliable salivary testosterone responses to a physical stimulus, but not a psychological stimulus
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The testosterone (T) responses to a physical stimulus are thought to be more stable and reproducible compared to a psychological stimulus.
This study compared the salivary T (Sal-T) responses to both stimuli in four groups of men: professional rugby players (n = 17), recreational rugby players (n = 10), a mixed athlete group (n = 14) and untrained controls (n = 12).
Each group completed three treatments: (1) watching a video with aggressive rugby footage, (2) performing a short bout of sprint exercise and (3) a control session. Saliva samples were taken before and 15 min after each treatment.
The sprint exercise changes in Sal-T levels were similar in the elite rugby (17.1 ± 11.1 %), recreational rugby (11.9 ± 15.9 %), mixed athlete (27.6 ± 32.0 %) and control groups (25.3 ± 23.6 %). In response to the video, Sal-T increased in the elite rugby (6.9 ± 6.4 %) and untrained groups (11.9 ± 13.5 %), but decreased in the recreational rugby players (−7.5 ± 11.0 %). The individual Sal-T responses to the sprints were also correlated (r = 0.69 to 0.82) with other treatment responses.
Sprint exercise had a more consistent effect on Sal-T than a video with aggressive content and thus, could provide a reliable stimulus for increasing T availability in men with different training backgrounds. Individual Sal-T reactivity also appears to be somewhat stable across different treatments. These data provide further understanding around the induction, moderation and interpretation of T physiology.
KeywordsBehaviour Athletes Neuroendocrine Hormones Saliva Video
We thank the participants, researchers and trainers who contributed to this study. This project was supported by the Elite Sport Performance Research in Training with Pervasive Sensing Programme [EP/H009744/1], funded by the Engineering and Physical Sciences Research Council, and the UK Sports Council.
Conflict of interest
The authors declared no conflict of interests.
- 14.Sgrò P, Romanelli F, Felici F, Sansone M, Bianchini S, Buzzachera CF et al (2014) Testosterone responses to standardized short-term sub-maximal and maximal endurance exercises: issues on the dynamic adaptive role of the hypothalamic–pituitary–testicular axis. J Endocrinol Invest 37:13–24PubMedCrossRefGoogle Scholar
- 28.DeSoto CM, Hitlan RT, Deol RS, McAdams D (2009) Testosterone fluctuations in young men: the difference between interacting with like and not-like others. Evol Psychol 8:173–188Google Scholar
- 29.Crewther BT, Lowe T, Ingram J, Weatherby RP (2010) Validating the salivary testosterone and cortisol concentration measures in response to short high-intensity exercise. J Sports Med Phys Fit 50:85–92Google Scholar
- 35.Bouarfa L, Bembnowicz P, Crewther B, Jarchi D, Yang G-Z (2013) Profiling visual and verbal stress responses using electrodermal, heart rate and hormonal measures. IEEE Body Sensor Network Conference. MIT, Cambridge, Massachusetts p 1–7Google Scholar