1. Department of Health. 2011. Health Survey for England 2011: Health, Social Care and Lifestyles. http://www.legislation.gov.uk/ukpga/2009/21/pdfs/ukpga_20090021_en.pdf Accessed at.
2. Affect responses to acute bouts of aerobic exercise in fit and unfit participants: an examination of opponent-process theory;Bixby;J Sport Behav,2006
3. The effects of modality preference on the temporal dynamics of affective response associated with acute exercise in college aged females;Bixby;J Sport Behav,2008
4. The exercise and affect relationship: evidence for the dual-mode model and a modified opponent process theory;Markowitz;J Sport Exerc Psychol,2010
5. Exercise makes people feel better but people are inactive: paradox or artifact?;Backhouse;J Sport Exerc Psychol,2007