Intra-and inter-instrument reliability of the actiwatch 4 accelerometer in a mechanical laboratory setting

Ashley Routen; Dominic UPTON; Martin Edwards; Derek Peters

doi:10.2478/v10078-012-0002-z

Intra-and inter-instrument reliability of the actiwatch 4 accelerometer in a mechanical laboratory setting

Ashley Routen, Dominic UPTON, Martin Edwards, Derek Peters

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Abstract

This study aimed to quantify the intra-and inter-instrument reliability of the Actiwatch 4 accelerometer (AW4) in a mechanical setting. Twenty seven AW4 were attached to an isokinetic dynamometer and subjected to angular acceleration for 30 min at 50 deg/sec representing moderate intensity (MPA condition) and 200 deg/sec representing vigorous intensity (VPA condition), with a repeat trial conducted. Reliability was assessed using coefficient of variation (CV), absolute percent error (APE), and intraclass correlation coefficients (ICC).

Original language	English
Pages (from-to)	17-24
Number of pages	8
Journal	Journal of Human Kinetics
Volume	31
Issue number	1
DOIs	https://doi.org/10.2478/v10078-012-0002-z
Publication status	Published - 2012
Externally published	Yes

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AB - This study aimed to quantify the intra-and inter-instrument reliability of the Actiwatch 4 accelerometer (AW4) in a mechanical setting. Twenty seven AW4 were attached to an isokinetic dynamometer and subjected to angular acceleration for 30 min at 50 deg/sec representing moderate intensity (MPA condition) and 200 deg/sec representing vigorous intensity (VPA condition), with a repeat trial conducted. Reliability was assessed using coefficient of variation (CV), absolute percent error (APE), and intraclass correlation coefficients (ICC).

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KW - Activity monitor

KW - Measurement

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KW - Repeatability

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Intra-and inter-instrument reliability of the actiwatch 4 accelerometer in a mechanical laboratory setting

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