VO2sim 0.1: Using Simulation to Understand Measurement Error in Indirect Calorimetry
Final rept. 1 Feb 2015-26 May 2015
ARMY RESEARCH LAB ABERDEEN PROVING GROUND MD
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Indirect calorimetry is commonly used in military research to examine the energetic cost of exercise during various perturbations and as a risk factor for injuryillness. The Army has recognized the importance of understanding oxygen consumption in the field and is developing models to aid in operational decision making. A common study design within the Army and in other exercise applications is a test-retest design. Failure to control for expected variability in testing may lead researchers to conclude that an intervention is effective when their results are only a product of chance variability within the human or machine system. This report details the development of a simulation program that accounts for system and human variability to determine if 2 testing sessions are different.