• norsk
    • English
  • English 
    • norsk
    • English
  • Login
View Item 
  •   Home
  • Høgskulen på Vestlandet
  • Import fra CRIStin
  • View Item
  •   Home
  • Høgskulen på Vestlandet
  • Import fra CRIStin
  • View Item
JavaScript is disabled for your browser. Some features of this site may not work without it.

The ActiGraph counts processing and the assessment of vigorous activity

Brønd, Jan Christian; Aadland, Eivind; Andersen, Lars Bo; Resaland, Geir Kåre; Anderssen, Sigmund Alfred; Arvidsson, Daniel
Peer reviewed, Journal article
Accepted version
Thumbnail
View/Open
brond.pdf (1.078Mb)
URI
https://hdl.handle.net/11250/2652017
Date
2019
Metadata
Show full item record
Collections
  • Import fra CRIStin [4095]
  • Institutt for idrett, kosthald og naturfag [1153]
Original version
Brønd, J. C., Aadland, E., Andersen, L. B., Resaland, G. K., Andersen, S. A. & Arvidsson, D. (2019). The ActiGraph counts processing and the assessment of vigorous activity. Clinical Physiology and Functional Imaging, 39(4), 276-283.   10.1111/cpf.12571
Abstract
The purpose of this study was to investigate the effect of different band‐pass filters on the measurement bias with ActiGraph counts during high speed running and for estimating free‐living vigorous physical activity (VPA). Two alternative band‐pass filters were designed, extending the original frequency range from 0·29 to 1·66 Hz (AG) to 0·29–4 Hz (AC4) and 0·29–10 Hz (AC10). Sixty‐two subjects in three age groups participated in a structured locomotion protocol consisting of multiple walking and running speeds. The time spent in free‐living VPA using the three different band‐pass filters were evaluated in 1121 children. Band‐pass filter specific intensity cut‐points from both linear regression and ROC analysis was identified from a calibration experiment using indirect calorimetry. The ActiGraph GT3X+ device recording raw acceleration at 30 Hz was used in all experiments. The linear association between counts and running speed was negative for AG but positive for AC4 and AC10 across all age groups. The time spent in free‐living VPA was similar for all band‐pass filters. Considering higher frequency information in the generation of ActiGraph counts with a hip/waist worn device reduces the measurement bias with running above 10 km·h−1. However, additional developments are required to accurately capture all VPA, including intermittent activities.
Description
This is the peer reviewed version of the following article: Brønd, J. C., Aadland, E., Andersen, L. B., Resaland, G. K., Andersen, S. A. & Arvidsson, D. (2019). The ActiGraph counts processing and the assessment of vigorous activity. Clinical Physiology and Functional Imaging, 39(4), 276-283, which has been published in final form at https://doi.org/10.1111/cpf.12571. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Use of Self-Archived Versions
Publisher
Wiley
Journal
Clinical Physiology and Functional Imaging

Contact Us | Send Feedback

Privacy policy
DSpace software copyright © 2002-2019  DuraSpace

Service from  Unit
 

 

Browse

ArchiveCommunities & CollectionsBy Issue DateAuthorsTitlesSubjectsDocument TypesJournalsThis CollectionBy Issue DateAuthorsTitlesSubjectsDocument TypesJournals

My Account

Login

Statistics

View Usage Statistics

Contact Us | Send Feedback

Privacy policy
DSpace software copyright © 2002-2019  DuraSpace

Service from  Unit