Evidence map›Paper›PMID 32493496›Full record

ArticleJournal of neuroengineering and rehabilitation2020

Postural transitions detection and characterization in healthy and patient populations using a single waist sensor.

Arash Atrsaei, Farzin Dadashi, Clint Hansen, Elke Warmerdam, Benoît Mariani, Walter Maetzler, Kamiar Aminian

Open access · goldAbstract read
In one paragraph

Article in Journal of neuroengineering and rehabilitation, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers.

0numbers the graph read from it
0cells of the map it votes in
15citing papers in PubMed
9.0field-weighted citation impact, top 2% of its field
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

15 citing papers in PubMed, 35 citations in OpenAlex.

  1. Article
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  4. Rotational Power: A New Accelerometer-Derived Metric to Assess Functional Impairment in Multiple Sclerosis.IEEE transactions on neural systems and rehabilitation engineering : a publication of the IEEE Engineering in Medicine and Biology Society · 2025
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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

7 authors at 2 institutions in 2 countries.

Arash AtrsaeiLaboratory of Movement Analysis and Measurement, École Polytechnique Fédérale de Lausanne (EPFL), Station 9, Lausanne, 1015, Switzerland. atrsaei.arash@epfl.ch.ORCID 0000-0002-7751-2691
Farzin DadashiGait Up SA, EPFL Innovation Park, Bâtiment C, Lausanne, 1015, Switzerland.
Clint HansenDepartment of Neurology, Universitätsklinikum Schleswig-Holstein, Arnold-Heller-Straße 3, Haus 41, Kiel, 24105, Germany.
Elke WarmerdamDepartment of Neurology, Universitätsklinikum Schleswig-Holstein, Arnold-Heller-Straße 3, Haus 41, Kiel, 24105, Germany.
Benoît MarianiGait Up SA, EPFL Innovation Park, Bâtiment C, Lausanne, 1015, Switzerland.
Walter MaetzlerDepartment of Neurology, Universitätsklinikum Schleswig-Holstein, Arnold-Heller-Straße 3, Haus 41, Kiel, 24105, Germany.
Kamiar AminianLaboratory of Movement Analysis and Measurement, École Polytechnique Fédérale de Lausanne (EPFL), Station 9, Lausanne, 1015, Switzerland.
École Polytechnique Fédérale de Lausanne · CHUniversity Hospital Schleswig-Holstein · DE

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundSit-to-stand and stand-to-sit transitions are frequent daily functional tasks indicative of muscle power and balance performance. Monitoring these postural transitions with inertial sensors provides an objective tool to assess mobility in both the laboratory and home environment. While the measurement depends on the sensor location, the clinical and everyday use requires high compliance and subject adherence. The objective of this study was to propose a sit-to-stand and stand-to-sit transition detection algorithm that works independently of the sensor location.

methodsFor a location-independent algorithm, the vertical acceleration of the lower back in the global frame was used to detect the postural transitions in daily activities. The detection performance of the algorithm was validated against video observations. To investigate the effect of the location on the kinematic parameters, these parameters were extracted during a five-time sit-to-stand test and were compared for different locations of the sensor on the trunk and lower back.

resultsThe proposed detection method demonstrates high accuracy in different populations with a mean positive predictive value (and mean sensitivity) of 98% (95%) for healthy individuals and 89% (89%) for participants with diseases.

conclusionsThe sensor location around the waist did not affect the performance of the algorithm in detecting the sit-to-stand and stand-to-sit transitions. However, regarding the accuracy of the kinematic parameters, the sensors located on the sternum and L5 vertebrae demonstrated the highest reliability.

Indexed as

AlgorithmsMovementWearable Electronic DevicesAccelerometryAdultAgedBiomechanical PhenomenaFemaleHumansMaleMiddle AgedPostural BalanceReproducibility of ResultsTorsoActivity monitoringBalanceFunctional testInertial sensorsMobilityPostural transitionSit-to-stand

Identifiers

PMID32493496
PMCPMC7271521
OpenAlexW3031457119

What OpenQuestion holds

Textmetadata
LicenceCC BY
Read underepoch 390

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.