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Estimation of energy expenditure by a portable accelerometer

MONTOYE, HENRY J., WASHBURN, RICHARD, SERVAIS, STEPHEN, ERTL, ANDREW, WEBSTER, JOHN G., NAGLE, FRANCIS J.·1983·Medicine & Science in Sports & Exercise
DOI 10.1249/00005768-198315050-00010
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Abstract

A small portable accelerometer was developed to estimate the energy expenditure of daily activities. The accelerometer is reported to be an improvement over movement counters currently on the market. The oxygen requirement of 14 different activities was measured in 21 subjects while each wore the accelerometer on the waist. A movement counter (mercury switch), which is available commercially, was also worn on the waist and another was worn on the left wrist. The reproducibility of the accelerometer readings was high (4 subjects, 14 activities; r = 0.94) and was superior to either the waist movement counter (r = 0.63) or the wrist movement counter (r = 0.74). In estimating oxygen requirement (VO2) the standard error of estimate, based on 21 subjects and 14 activities, was 6.6 ml X min-1 X kg-1 for the accelerometer. This was also better (smaller) than for the waist movement counter (9.2 ml X min-1 X kg-1) or for the wrist movement counter (7.9 ml X min-1 X kg-1).

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Crossref · 10.1249/00005768-198315050-00010

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Metadata

Authors
MONTOYE, H. J., WASHBURN, R., SERVAIS, S., ERTL, A., WEBSTER, J. G., & NAGLE, F. J.
Venue
Medicine & Science in Sports & Exercise
Publisher
Ovid Technologies (Wolters Kluwer Health)
Published
1983
Volume
15
Issue
5
Pages
403???407
ISSN
0195-9131
DOI
10.1249/00005768-198315050-00010
Cited by
225
References
0
Language
en

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