This is a pre-copy-editing, author produced PDF of an article accepted for publication in Health Education Research following peer review. The definitive publisher-authenticated version Brooks, F. and Magnusson, J. (2006) 'Taking part counts: Adolescents' experiences of the transition from inactivity to active participation in school based physical education'. Health Education Research 21 pp.872-883 is available online at: http://her.oxfordjournals.org/archive/index.dtl . --Copyright Oxford University Press --DOI : 10.1093/her/cyl006Peer reviewe
