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Trujillo-Priego IA, Zhou J, Werner IF, et al. Infant Leg Activity Intensity Before and After Naps. J Meas Phys Behav. 2020;3(2):157-163doi: 10.1123/jmpb.2019-0011.
Trujillo-Priego, I. A., Zhou, J., Werner, I. F., Deng, W., & Smith, B. A. (2020). Infant Leg Activity Intensity Before and After Naps. Journal for the measurement of physical behaviour, 3(2), 157-163. https://doi.org/10.1123/jmpb.2019-0011
Trujillo-Priego, Ivan A, et al. "Infant Leg Activity Intensity Before and After Naps." Journal for the measurement of physical behaviour vol. 3,2 (2020): 157-163. doi: https://doi.org/10.1123/jmpb.2019-0011
Trujillo-Priego IA, Zhou J, Werner IF, Deng W, Smith BA. Infant Leg Activity Intensity Before and After Naps. J Meas Phys Behav. 2020 Jun;3(2):157-163. doi: 10.1123/jmpb.2019-0011. PMID: 34109304; PMCID: PMC8186238.
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J Meas Phys Behav. 2020 Jun;3(2):157-163. doi: 10.1123/jmpb.2019-0011.

Infant Leg Activity Intensity Before and After Naps.

Journal for the measurement of physical behaviour

Ivan A Trujillo-Priego, Judy Zhou, Inge F Werner, Weiyang Deng, Beth A Smith

Affiliations

  1. University of Southern California.
  2. University of Innsbruck.

PMID: 34109304 PMCID: PMC8186238 DOI: 10.1123/jmpb.2019-0011

Abstract

Wearable sensors are being used to measure intensity of infant physical activity across full days. The variability of infant activity intensity within and across days is important to study given the potential impact of physical activity on developmental trajectories. Using retrospective data, we analyzed the intensity of leg movements in 10 typically-developing infants before and after naptimes. Leg movement data were captured from 20 minutes before and after multiple events of naps across seven days for each infant. We hypothesized that leg movement intensity would be lower before a nap than after a nap potentially due to lower arousal and increased fatigue prior to attaining sleep. However, our results showed that leg movement intensity was not significantly different when comparing the 20-minute period pre- and post-naps (F(1,7)=3.91, p=0.089, η

Keywords: leg movement; pediatric; physical activity; sleep; wearable sensors

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