Performance and physiological responses during a sprint interval training session
http://www.youtube.com/watch?v=PymqCo1kCCQ Eur J Appl Physiol. 2012 Feb;112(2):767-79. doi: 10.1007/s00421-011-2021-1. Epub 2011 Jun 12. Performance and physiological responses during a sprint interval training session: relationships with muscle oxygenation and...