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samedi 6 juin 2015

The prescription of daily activity

Proportion of weekly waking hours spent in activity modes, ranging from time spent sitting through to vigorous physical activity (adapted from Townsend et al).18,66 Values R, 1, 2, 3 and 4 represent behavioural “gears” synonymous to a car, where R = “reverse”, 1 and 2 = light activities within daily living, 3 and 4 are moderate to vigorous activities either in daily life or as part of leisure-time pursuits, exercise and sport. Many health promotion and physical activity interventions aim to change people's behaviour by attempting to go from R to 3rd gear, missing targeted interventions in 1st and 2nd gear and thus resulting in behavioural “stalling” (relapse), as would occur in a car if one attempted to go from Reverse into 3rd or 4th gear. Avoiding sedentary behaviour at work fulfils engaging people in activity at gears 1 and 2.

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