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Canadian Science Publishing, Applied Physiology, Nutrition, and Metabolism, 3(38), p. 352-356

DOI: 10.1139/apnm-2012-0223

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Measuring slope to improve energy expenditure estimates during field-based activities

Journal article published in 2012 by Glen E. Duncan ORCID, Jonathan Lester, Sean Migotsky, Lisa Higgins, Gaetano Borriello
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This paper is available in a repository.

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Abstract

This technical note describes methods to improve activity energy expenditure estimates by using a multi-sensor board (MSB) to measure slope. Ten adults walked over a 4-km (2.5-mile) course wearing an MSB and mobile calorimeter. Energy expenditure was estimated using accelerometry alone (base) and 4 methods to measure slope. The barometer and global positioning system methods improved accuracy by 11% from the base (p < 0.05) to 86% overall. Measuring slope using the MSB improves energy expenditure estimates during field-based activities.