Running/Ahletics/Track Pacing System - Any info on RacePacer or similiar system?

2006-02-03 Thread Roberto
I looking into purchasing a pacing, speed, split time recorder for xc and track. I haven't had much luck finding one. I know Finish Lynx makes a version that I saw at Nike Junior National XC meet but I don't think it is a commerical unit. I need it for a pacing study of distance runners. The

caffeine and myocardial blood flow

2006-02-03 Thread Stephen . Seiler
This is a nice example of the fact that ergogenic aids are not necessarily universally ergogenic physiologically. How do you reconcile a caffeine induced reduction in peak myocardial blood flow with fidnings that caffeine does not negatively impact cardiac function measured as heart rate , stroke