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Evenson, Kelly R.; Terry, James W., Jr. – Research Quarterly for Exercise and Sport, 2009
Measuring physical activity with objective tools, such as accelerometers, is becoming more common. Accelerometers measure acceleration multiple times within a given frequency and summarize this as a count over a pre-specified time period or epoch. The resultant count represents acceleration over the epoch length. Accelerometers eliminate biases…
Descriptors: Physical Activities, Physical Activity Level, Equipment, Measurement