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Effects of chronic exercise on feelings of energy and fatigue: a quantitative synthesis

PainSci » bibliography » Puetz et al 2006
Tags: random, sedentariness, exercise, movement, neat, self-treatment, treatment

Two articles on PainSci cite Puetz 2006: 1. The Trouble with Chairs2. Mobilize!

PainSci notes on Puetz 2006:

This is study of other studies (meta-analysis) that concluded that exercising regularly reduces feelings of fatigue. Intriguingly, it also identified some clues that the effect might be induced by placebo.

original abstract Abstracts here may not perfectly match originals, for a variety of technical and practical reasons. Some abstacts are truncated for my purposes here, if they are particularly long-winded and unhelpful. I occasionally add clarifying notes. And I make some minor corrections.

The authors investigated the effect of chronic exercise on feelings of energy and fatigue using meta-analytic techniques. Chronic exercise increased feelings of energy and lessened feelings of fatigue compared with control conditions by a mean effect delta of 0.37. The effect varied according to the presence or absence of a placebo control or whether chronic exercise was completed alone or in combination with an additional therapy. Investigations that used a placebo control and examined chronic exercise alone found no effect of chronic exercise on feelings of energy and fatigue. Certain placebo controls may increase feelings of energy and lessen feelings of fatigue when used with older adults or people with psychological distress. The results highlight the need for research identifying the most useful control conditions for accurately interpreting mental health outcome data obtained in chronic exercise investigations.

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