Commentary on viewpoint: expending our physical activity (measurement) budget wisely

Leicht, Anthony S. (2011) Commentary on viewpoint: expending our physical activity (measurement) budget wisely. Journal of Applied Physiology, 111 (2). p. 609.

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[Extract] To the editor: Colbert and Schoeller (2) highlight an interesting point of view concerning the potential shift in physical activity (PA) monitoring. While the use of objective measures is highly encouraged, one must still recognize the limitations of such devices (3, 4) and importantly that we don't currently possess or utilize the perfect PA assessment tool. As indicated by Colbert and Schoeller (2), many studies have reported various correlations between questionnaire responses and objective monitors indicating similarities in PA assessment though the specific attributes of PA being assessed may be quite diverse. Very recently, the uniqueness of questionnaire assessment was reported in a large population study with self-reported PA suggested to identify PA aspects not concurrently assessed by accelerometers (1). Therefore, the notion that objective PA tools are more valid or accurate than nonobjective tools such as questionnaires should be considered with caution as these tools may in fact assess different aspects of PA. While the cost and size of objective monitors has been dramatically reduced recently, the use of such monitors still remains challenging for assessment of different activity modes and intensities, and for all populations, despite all good intentions. Hence, the use of simple, less intrusive tools like questionnaires will always be of relevance until the elusive, flawless PA assessment tool(s) has/have been developed. Of most importance are the identification of current PA assessment tool limitations and the development of BETTER PA assessment methodologies that exhibit high validity and applicability to a range of populations for a greater understanding of the interplay between PA and health.

Item ID: 19626
Item Type: Article (Commentary)
ISSN: 1522-1601
Date Deposited: 19 Jan 2012 05:55
FoR Codes: 11 MEDICAL AND HEALTH SCIENCES > 1106 Human Movement and Sports Science > 110699 Human Movement and Sports Science not elsewhere classified @ 100%
SEO Codes: 92 HEALTH > 9204 Public Health (excl. Specific Population Health) > 920408 Health Status (e.g. Indicators of Well-Being) @ 100%
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