Evidence map›Paper›PMID 29122186›Full record

Trial reportApplied ergonomics2018

Accuracy of angular displacements and velocities from inertial-based inclinometers.

Howard Chen, Mark C Schall, Nathan Fethke

Abstract readRandomized Controlled Trial
In one paragraph

Trial report in Applied ergonomics, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 17 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
17citing papers in PubMed, 1 pooled it
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

17 citing papers in PubMed, 1 synthesis or guideline pooled it.

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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

3 authors.

Howard ChenDepartment of Mechanical Engineering, Auburn University, AL, USA; Department of Mechanical and Industrial Engineering, University of Iowa, IA, USA; Department of Occupational and Environmental Health, University of Iowa, Iowa City, IA, USA. Electronic address: howard-chen@auburn.edu.
Mark C SchallDepartment of Industrial and Systems Engineering, Auburn University, Auburn, AL, USA.
Nathan FethkeDepartment of Occupational and Environmental Health, University of Iowa, Iowa City, IA, USA.

Funding

The Heartland Center for Occupational Health and Safety Education and Research CenterT42OH008491 · OH · UNIVERSITY OF IOWA · PI O'SHAUGHNESSY, PATRICK T · 2005 to 2025
$31.7M
Deep South Occupational Safety & Health Education & Research Center-SupplementT42OH008436 · OH · UNIVERSITY OF ALABAMA AT BIRMINGHAM · PI LUNGU, CLAUDIU T · 2005 to 2025
$28.8M
NIOSH CDC HHS T42 OH008436NIOSH CDC HHS T42 OH008491
6 · The paper itself

Abstract

The objective of this study was to evaluate the accuracy of various sensor fusion algorithms for measuring upper arm elevation relative to gravity (i.e., angular displacement and velocity summary measures) across different motion speeds. Thirteen participants completed a cyclic, short duration, arm-intensive work task that involved transfering wooden dowels at three work rates (slow, medium, fast). Angular displacement and velocity measurements of upper arm elevation were simultaneously measured using an inertial measurement unit (IMU) and an optical motion capture (OMC) system. Results indicated that IMU-based inclinometer solutions can reduce root-mean-square errors in comparison to accelerometer-based inclination estimates by as much as 87%, depending on the work rate and sensor fusion approach applied. The findings suggest that IMU-based inclinometers can substantially improve inclinometer accuracy in comparison to traditional accelerometer-based inclinometers. Ergonomists may use the non-proprietary sensor fusion algorithms provided here to more accurately estimate upper arm elevation.

Indexed as

AlgorithmsTask Performance and AnalysisAccelerometryAdultArmBiomechanical PhenomenaErgometryFemaleGravitationHumansMaleMotionTime FactorsWorkInclinometerInertial-based motion captureInertial measurement unitsKalman filter

Identifiers

PMID29122186
PMCPMC9605618

What OpenQuestion holds

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Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.