The versatile nature of physical activity--on the psychological, behavioural and contextual characteristics of health-related physical activity.

This paper presents a comprehensive characterisation of physical activity based on psychological, behavioural and contextual aspects. Based on the characterisation it suggests a promotional classification of physical activity into five categories. The categories are: 1, Occupational activity; 2, Lifestyle activity; 3, Recreation activity; 4, Fitness activity; and 5, Sport activity. Examples are given of activities in each category and of the related emotional aspects, outcome expectations, degree of personal choice and health benefits. The importance of the emotional component and the relevance of the outcome expectations are discussed and contextual considerations are presented on the basis of the promotional classification. The implications of the classification for the practice of health-enhancing physical activity promotion are discussed.

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