Validation and reliability of two activity monitors for energy expenditure assessment. Issue 1 (January 2016)

• Record Type: Journal Article
• Authors: Brazeau, Anne-Sophie; Beaudoin, Nadia; Bélisle, Virginie; Messier, Virginie; Karelis, Antony D.; Rabasa-Lhoret, Rémi
• Is Part Of: Journal of science and medicine in sport. Volume 19:Issue 1(2016:Jan.)
• Page Start: 46
• Page End: 50
• Publication Date: 2016-01
• Subjects: Test–retest -- Activity monitoring -- Accelerometer -- Motion sensors -- Doubly labeled water; Sports sciences -- Periodicals; Sports medicine -- Periodicals; Exercise -- Physiological aspects -- Periodicals; Sports -- physiology -- Periodicals; Sports Medicine -- Periodicals; Sportgeneeskunde; 617.102705
• DOI: 10.1016/j.jsams.2014.11.001
• Languages: English
• ISSNs: 1440-2440

Abstract

Abstract: Objectives: This study explores the reliability and validity of the SenseWear Armband (SWA) and Actical (ACT) for free-living total energy expenditure, and energy expenditure during rest and light-to-moderate exercises (walking, ergocycling). Design: Participants wore the 2 devices during 7 days (free-living) and then participated to 3 days of testing in our laboratory. Methods: SWA and ACT estimates of total energy expenditure was compared to the doubly labeled water technique (7 days), and energy expenditure during rest (60 min), treadmill (45 min; intensities ∼22% to ∼41% VO2peak ) and ergocycling (45 min; ∼50% VO2peak ) were compared to indirect calorimetry over the following 3 days. Paired T -tests and intra-class correlation coefficient (ICC) with 95% confidence interval (CI95 ) were computed. Results: Twenty adults were recruited (BMI 23.1 ± 2.3 kg/m 2 ). Compared to doubly labelled water, SWA overestimated energy expenditure by 94 kcal/d (±319; P = 0.2) and ACT underestimated by −244 kcal/d (±258; P = 0.001). Energy expenditure during rest (SWA 210 ± 116, ACT 124 ± 133 kcal/d; p < 0.05) and treadmill (according on intensity: SWA 54 ± 46 to 67 ± 38, ACT 68 ± 25 to 84 ± 40 kcal; p < 0.05) were overestimated and underestimated during ergocycling (SWA −93 ± 65, ACT −269 ± 111 kcal; p < 0.05) compared to indirect calorimetry. High ICC were observed at rest (SWA 0.994 CI95 0.987–0.997; ACT 0.998 CI95 0.996–0.999) and during ergocycling (SWA 0.941 CI95 0.873–0.975; ACT 0.854 CI95 0.687–0.939). Conclusion: Acceptable estimation of total energy expenditure was observed with the SWA. Both devices were reliable but not accurate for energy expenditure's estimations during rest and for specific exercises.