Concurrent validation of the Bouchard diary with an accelerometry-based monitor

Article Abstract:

A study was conducted to examine the relationship between the Bouchard activity diary and a temporally matched objective measure, the Tritrac-R3D accelerometer and the intraindividual variability in correlation coefficients between the two temporally matched measures. The results indicate that individuals are able to provide reasonable self-reported estimates of their activity levels across a day.

Iowa, Methods, Measurement, Exercise physiology

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Reliability of accelerometry-based activity monitors: A generalizability study

Article Abstract:

Four samples of college-aged participants were recruited to collect reliability data on four different accelerometer types (CSA/MTI, Biotrainer Pro, Tritrac-R3D, and Actical) to systematically study the reliability of these different accelerometer units for assessing a standardized bout of physical activity. The CSA/MTI appeared to have acceptable reliability for most research applications.

Health aspects, Observations

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Laboratory calibration and validation of the biotrainer and actitrac activity monitors

Article Abstract:

Research describes the development and testing of laboraory-based prediction equations to evaluate the Biotrainer and Actitrac activity monitors. Data validate their use for energy expenditure estimates during walking/running movements.

United States, Physiological aspects, Energy metabolism, Running, Walking, Bioenergetics

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