This article is unavailable. Hamer, M., Karageorghis, C. I., & Vlachopoulos, S. P. (2002). Behavioural regulations as predictors of exercise dependency among endurance athletes. Journal of Sports Medicine and Physical Fitness, 42, 233-238. If you wish to obtain a copy please contact the author below: Costas.Karageorghis@brunel.ac.uk