Electronic motion sensors and heart rate as measures of physical activity in children.
Freedson
P S
PS
University of Massachusetts, Dept. of Exercise Science, Amherst 01003.
D000293:Adolescent; D002648:Child; D002675:Child, Preschool; D004582:Electronics, Medical; D015444:Exercise / Q000502:physiology*; D005260:Female; D006339:Heart Rate / Q000502:physiology*; D006801:Humans; D008297:Male; D008991:Monitoring, Physiologic / Q000295:instrumentation; D015203:Reproducibility of Results