These are links to some useful websites and to the sources used on this site.
Sources
www.refityourself.com (heart rate chart)
www.bodybuilding.com (2 HIT training programs)
www.wjhotel.com (picture on home page)
Canadian Fitness and Lifestyle Research Institute (Map Data) www.cflri.ca/cflri/pa/surveys/2002survey/2002survey.html
Other Useful Sites
www.fitnessonline.com/
www.mensfitness.com
www.global-fitness.com