The Sprint 8^® Protocol is more intense than interval training, but worth the effort, according to its creator Phil Campbell.

In two hospital-based studies specifically on Campbell’s Sprint 8 Protocol, the research shows an average drop in body fat of 27% with no change in diet. Campbell attributes the results to a natural increase in human growth hormone.

Our team at STAK Fitness/Matrix Canada is implementing this program with organizations as I write this. Stay tuned for more details on progress.

see the full story here: http://www.digitaljournal.com/pr/3188584/