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Defining Accelerometer Thresholds For Activity Intensities In Adolescent Girls, Margarita S. Treuth, Kathryn H. Schmitz, Diane J. Catellier, Robert G. Mcmurray, David M. Murray, Maria João C. A. Almeida, Scott Going, James E. Norman, Russell R. Pate
Defining Accelerometer Thresholds For Activity Intensities In Adolescent Girls, Margarita S. Treuth, Kathryn H. Schmitz, Diane J. Catellier, Robert G. Mcmurray, David M. Murray, Maria João C. A. Almeida, Scott Going, James E. Norman, Russell R. Pate
Faculty Publications
Purpose - To derive a regression equation that estimates metabolic equivalent (MET) from accelerometer counts, and to define thresholds of accelerometer counts that can be used to delineate sedentary, light, moderate, and vigorous activity.
Methods - Seventy-four healthy 8th grade girls, age 13-14 yr, were recruited from urban areas of Baltimore, MD, Minneapolis/St. Paul, MN, and Columbia, SC, to participate in the study. Accelerometer and oxygen consumption (VO2) data for 10 activities that varied in intensity from sedentary (e.g., TV watching) to vigorous (e.g., running) were collected. While performing these activities, the girls wore two accelerometers, a heart …