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. 2016 Oct;34(19):1830-8.
doi: 10.1080/02640414.2016.1140220. Epub 2016 Feb 8.

Validity of SenseWear® Armband v5.2 and v2.2 for estimating energy expenditure

Dharini M Bhammar  1   2 , Brandon J Sawyer  1   3 , Wesley J Tucker  1 , Jung-Min Lee  4 , Glenn A Gaesser  1
Affiliations

Validity of SenseWear® Armband v5.2 and v2.2 for estimating energy expenditure

Dharini M Bhammar et al. J Sports Sci. 2016 Oct.

Abstract

We compared SenseWear Armband versions (v) 2.2 and 5.2 for estimating energy expenditure in healthy adults. Thirty-four adults (26 women), 30.1 ± 8.7 years old, performed two trials that included light-, moderate- and vigorous-intensity activities: (1) structured routine: seven activities performed for 8-min each, with 4-min of rest between activities; (2) semi-structured routine: 12 activities performed for 5-min each, with no rest between activities. Energy expenditure was measured by indirect calorimetry and predicted using SenseWear v2.2 and v5.2. Compared to indirect calorimetry (297.8 ± 54.2 kcal), the total energy expenditure was overestimated (P < 0.05) by both SenseWear v2.2 (355.6 ± 64.3 kcal) and v5.2 (342.6 ± 63.8 kcal) during the structured routine. During the semi-structured routine, the total energy expenditure for SenseWear v5.2 (275.2 ± 63.0 kcal) was not different than indirect calorimetry (262.8 ± 52.9 kcal), and both were lower (P < 0.05) than v2.2 (312.2 ± 74.5 kcal). The average mean absolute per cent error was lower for the SenseWear v5.2 than for v2.2 (P < 0.001). SenseWear v5.2 improved energy expenditure estimation for some activities (sweeping, loading/unloading boxes, walking), but produced larger errors for others (cycling, rowing). Although both algorithms overestimated energy expenditure as well as time spent in moderate-intensity physical activity (P < 0.05), v5.2 offered better estimates than v2.2.

Keywords: Activity monitor; accelerometer; assessment; calorimetry; physical activity.

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Figures

Figure 1
Figure 1
Bland-Altman plots for total energy expenditure (EE) during the structured routine for Sensewear Armband (SWA) v2.2 (Panel A) and v5.2 (Panel B) and during the semi-structured routines for SWA v2.2 (Panel C) and v5.2 (Panel D).
Figure 2
Figure 2
Bland-Altman plots for steady-state energy expenditure (EE) during individual activities during the structured routine for Sensewear Armband (SWA) v2.2 (A) and v5.2 (B). The table represents slope, Y intercept, and R2 for individual activities in the routine. * Significant correlation P < 0.05.
Figure 3
Figure 3
Mean absolute percentage error and relative contribution of individual activities to overall EE estimation error for Sensewear Armband (SWA) v2.2 and v5.2 for different activities in the structured (Panels A and B) and semi-structured routines (Panel C and D).
See this image and copyright information in PMC

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