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Sprinting boosts Testosterone

at least it does in adolescent boys:

Androgen Responses to Sprint Exercise in Young Men

The purpose of this study was to investigate the effects of a 6-month sprint training program on plasma androgens and catecholamine (CA) concentrations in response to a 6 s sprint in adolescent boys [training group (TG), n=6; control group (CG), n=6]. A 6 s-sprint test was performed on a cycle ergometer before and after training (Pre-T and Post-T, respectively). Plasma total testosterone (TT), bioavailable testosterone (BT), and CA concentrations were measured at rest, after a warm-up, immediately after a 6 s-sprint, and during the recovery (i. e. 5 and 20 min). After training period, plasma TT concentrations increased significantly at the end of the sprint and during the recovery in the TG. No effects for sampling times and period were observed in BT levels. Plasma TT concentrations after 5 min of recovery were positively correlated with the corresponding values of plasma lactate (La) concentrations and with post-6 s-sprint plasma adrenaline (A) concentrations (r=0.52; p<0.01 and r=0.61; p<0.01, respectively). These results suggest that sprint training increases plasma TT concentrations in response to sprint exercise in adolescent boys. Plasma A and plasma La concentrations increases in response to sprint exercise could be involved in this elevation of plasma TT concentrations.
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Comments

Dave C. said…
Do you know of any studies on testosterone boosts from other exercise modalities? I wonder what the difference might be between heavy resistance training, sprinting, and low intensity cardio.
February 21, 2010 at 9:12 AM
Chris said…
Dave

do a search on pubmed for "testosterone exercise"

you will find a few thing e.g.

http://www.ncbi.nlm.nih.gov/pubmed/20093968?itool=EntrezSystem2.PEntrez.Pubmed.Pubmed_ResultsPanel.Pubmed_RVDocSum&ordinalpos=12

which sees short sprints on bikes increase testosterone too.
February 21, 2010 at 1:19 PM
Beck said…
This why young theives also become "baby daddies"? Kidding. Couldn't resist.
February 21, 2010 at 7:37 PM
Billy Oblivion said…
So what about in old men?
February 22, 2010 at 7:15 AM
Jeff Pickett said…
You forgot to mention the picture of Pamela Lee in the locker room which contributed the rise in testosterone as well. :)

Interesting study.
February 22, 2010 at 8:02 AM
viagra online said…
It's a good investigation. I've been following each entry done and this'll be something special for us, because the plasma TT concentrations has been rising my curiosity.
May 12, 2011 at 12:39 PM
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