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Let Them Roam Free?: Physiological and Psychological Evidence for the Potential of Self-Selected Exercise Intensity in Public Health
Sports Medicine, 10/09/09

Ekkekakis P – The results indicate that, among middle–aged or older, sedentary or obese participants, or those in cardiac rehabilitation, self–selected exercise intensities are, on average, within the recommended range. However, some individuals select levels well below the recommended range and others select near–maximal levels. Most individuals apparently select intensities proximal to their ventilatory or lactate threshold, presumably because higher intensities would reduce pleasure. The factors underlying the large interindividual differences in self–selected intensity remain poorly understood. Imposed intensities lead to declines in pleasure, even when they exceed the self–selected level by a small amount. These results demonstrate the compatibility of prescription–based and preference–based approaches. Public health practitioners can consider self–selected intensity as an appropriate option.

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