title: The validity of the Tritrac-R3D activity monitor for the assessment of physical activity: II. Temporal relationships among objective assessments.
authors.affiliation: Department of Exercise Science and Physical Education, Arizona State University, USA. gwelk@cooperinst.org
authors.forename: G J
authors.initials: GJ
authors.lastname: Welk
authors.forename: C B
authors.initials: CB
authors.lastname: Corbin
authors.forename: J B
authors.initials: JB
authors.lastname: Kampert
mesh_terms: D000704:Analysis of Variance; D002648:Child; D006339:Heart Rate / Q000502:physiology*; D006801:Humans; D008991:Monitoring, Physiologic / Q000295:instrumentation*; D009043:Motor Activity / Q000502:physiology*; D015588:Observer Variation; D010806:Physical Education and Training; D012044:Regression Analysis; D015203:Reproducibility of Results; D012146:Rest / Q000502:physiology; D013177:Sports / Q000502:physiology; D013997:Time Factors