Health-related physical activity: Psychological determinants, consequences, and experimental interventions. Increasingly sedentary lifestyles and physical inactivity constitute a worldwide health problem. Despite well-known benefits of physical activity, preventive-medicine interventions have had limited success. Instead, we propose an innovative psychological approach, emphasising quality of subjective experience (flow), motivation, physical self-concept, and the transtheoretical model of beha ....Health-related physical activity: Psychological determinants, consequences, and experimental interventions. Increasingly sedentary lifestyles and physical inactivity constitute a worldwide health problem. Despite well-known benefits of physical activity, preventive-medicine interventions have had limited success. Instead, we propose an innovative psychological approach, emphasising quality of subjective experience (flow), motivation, physical self-concept, and the transtheoretical model of behavioural change. We propose psychological determinants of physical activity and a new experimental intervention to significantly enhance health-related physical activity. The research breaks new theoretical ground, extending and integrating different theoretical perspectives, offering a synergy between qualitative and quantitative research traditions, and providing practical benefits to mental and physical health and to quality of life.Read moreRead less