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Gary J. Farkas, Marika A. Pitot and David R. Gater Jr.

variance ( Farkas & Gater, 2017 ). Therefore, increases or decreases in FFM can substantially affect TDEE, and following an SCI, RMR is considerably influenced ( Buchholz et al., 2003a ; Monroe et al., 1998 ). Direct, or whole body, calorimetry measures the amount of heat produced by a study participant

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Mirko Brandes, Berit Steenbock and Norman Wirsik

done in recent calibration studies. 5 , 6 Therefore, the aim of our study was to measure EE of common physical activities in preschoolers by indirect calorimetry and to assign activity-specific metabolic equivalents (AME) to the physical activities. To this end, data originating from a calibration and

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Gregory J. Welk

conceptually in Figure  1 . As indicated, most calibration studies involve having participants perform a series of different activities while being simultaneously monitored with both the monitor and indirect calorimetry (criterion measure). Hundreds of studies have been conducted to develop, test, and refine

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Julia L. Bone and Louise M. Burke

™ activity monitors (Mini-MF; BodyMedia, Pittsburgh, PA) were worn to monitor compliance to training and to estimate total energy expenditure (SenseWear version 8; BodyMedia, Pittsburgh, PA). REE Collection Resting energy expenditure was measured using indirect calorimetry. Measurements were collected at the

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Nicolas Aguilar-Farias, Wendy J. Brown, Tina L. Skinner and G.M.E.E. (Geeske) Peeters

calorimetry system (MetaMax 3B; Cortex Biophysik GmbH, Leipzig, Germany). 17 Ventilation and expired gas concentrations were measured and recorded breath-by-breath to estimate oxygen uptake. The portable system was calibrated before each measurement and verified afterward according to the manufacturer

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Jungyun Hwang, I-Min Lee, Austin M. Fernandez, Charles H. Hillman and Amy Shirong Lu

different modes of exergames is still relatively unknown ( 5 , 37 ). The use of exergames capable of achieving a light- to vigorous-intensity level of physical activity (assessed via indirect calorimetry) through various platforms such as Xbox ( 10 ), Wii ( 36 ), and Dance Dance Revolution ( 1 , 55 ) has

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Elroy J. Aguiar, Zachary R. Gould, Scott W. Ducharme, Chris C. Moore, Aston K. McCullough and Catrine Tudor-Locke

link directly observed cadence (hand tally; criterion standard for step counting) with increasing levels of absolutely defined intensity (oxygen uptake from indirect calorimetry converted to METs; criterion standard). In addition, the participants also completed several simulated activities of daily

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Dylan C. Perry, Christopher C. Moore, Colleen J. Sands, Elroy J. Aguiar, Zachary R. Gould, Catrine Tudor-Locke and Scott W. Ducharme

. Nutr Clin Pract . 2014 ; 29 ( 1 ): 44 – 55 . PubMed ID: 24336442 doi:10.1177/0884533613515002 10.1177/0884533613515002 24336442 29. McClave SA , Spain DA , Skolnick JL , et al . Achievement of steady state optimizes results when performing indirect calorimetry . JPEN J Parenter Enteral Nutr

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Reid J. Reale, Timothy J. Roberts, Khalil A. Lee, Justina L. Bonsignore and Melissa L. Anderson

-regulation of hormonal and other bodily systems; Mountjoy et al., 2018 ; Schofield et al., 2019 ). RMR is commonly measured via indirect calorimetry (IC); however, the conditions required for ensuring accurate measurement (i.e., a period of fasting and resting, the avoidance of excessive external stimulation

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Roman P. Kuster, Daniel Baumgartner, Maria Hagströmer and Wilhelmus J.A. Grooten

calorimetry data as used in other research areas (e.g., the analysis of steady-state energy expenditure with variable walking speeds, Plasschaert, Jones, & Forward, 2009 ; Schwartz, 2007 ) could be adapted to our field of research. An independent field validation without such a method is pointless for the