Activity monitor placed at the nonparetic ankle is accurate in measuring step counts during community walking in poststroke Individuals: a validation study

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dc.creatorNoémie Duclos
dc.creatorLarissa Tavares Aguiar
dc.creatorRachid Aissaoui
dc.creatorChristina Danielli Coelho de Morais Faria
dc.creatorSylvie Nadeau
dc.creatorCyril Duclos
dc.date.accessioned2022-04-29T17:06:29Z
dc.date.accessioned2025-09-09T01:24:28Z
dc.date.available2022-04-29T17:06:29Z
dc.date.issued2019
dc.description.sponsorshipFAPEMIG - Fundação de Amparo à Pesquisa do Estado de Minas Gerais
dc.description.sponsorshipOutra Agência
dc.format.mimetypepdf
dc.identifier.doihttps://doi.org/10.1002/pmrj.12080
dc.identifier.issn1934-1563
dc.identifier.urihttps://hdl.handle.net/1843/41267
dc.languageeng
dc.publisherUniversidade Federal de Minas Gerais
dc.relation.ispartofPM&R
dc.rightsAcesso Aberto
dc.subjectCaminhada - Medição
dc.subjectAcidente vascular cerebral
dc.subjectAvaliação
dc.subject.otherWalking
dc.subject.otherActivity monitor
dc.subject.otherStroke
dc.subject.otherValidation study
dc.titleActivity monitor placed at the nonparetic ankle is accurate in measuring step counts during community walking in poststroke Individuals: a validation study
dc.typeArtigo de periódico
local.citation.epage971
local.citation.spage963
local.citation.volume11
local.description.resumoBackground: Different environmental factors may affect the accuracy of step-count activity monitors (AM). However, the validation conditions for AM accuracy largely differ from ecological environments. Objectives: To assess and compare the accuracy of AM in counting steps among poststroke individuals: during different locomotor tasks, with AM placed at the nonparetic ankle or hip, and when walking in a laboratory or inside a mall. Design: Validation study. Settings: Laboratory and community settings. Participants: Twenty persons with chronic hemiparesis, independent walkers. Methods: First session: participants performed level walking (6-minute walk test [6MWT]), ramps, and stairs in the laboratory with AM placed at the nonparetic ankle and hip. Second session: participants walked a mall circuit, including the three tasks, with AM placed at the nonparetic ankle. The sessions were video recorded. Main outcome measurements: Absolute difference between the steps counted by AM and the steps viewed on the video recordings (errors, %); occurrence of errors greater than 10%. Results: Median errors were similar for the 6MWT (0.86 [0.22, 7.70]%), ramps (2.17 [0.89, 9.61]%), and stairs (8.33 [2.65, 19.22]%) with AM at the ankle. Step-count error was lower when AM was placed at the ankle (8.33 [2.65, 19.22]%) than at the hip (9.26 [3.25, 42.63]%, P = .03). The greatest errors were observed among the slowest participants (≤0.4 m/s) on ramps and stairs, whereas some faster participants (>1 m/s) experienced the greatest error during the 6MWT. Median error was slightly increased in the mall circuit (2.67 [0.61, 12.54]%) compared with the 6MWT (0.50 [0.24, 6.79]%, P = .04), with more participants showing errors >10% during the circuit (7 vs 2, P = .05). Conclusions: Step counts are accurately measured with AM placed at the nonparetic ankle in laboratory and community settings. Accuracy can be altered by stairs and ramps among the slowest walkers and by prolonged walking tasks among faster walkers. Level of evidence: III.
local.identifier.orcidhttps://orcid.org/ 0000-0003-1579-9823
local.identifier.orcidhttps://orcid.org/ 0000-0002-6503-774X
local.identifier.orcidhttps://orcid.org/ 0000-0001-7843-1386
local.identifier.orcidhttps://orcid.org/ 0000-0001-9784-9729
local.identifier.orcidhttps://orcid.org/ 0000-0001-9551-604X
local.identifier.orcidhttps://orcid.org/ 0000-0002-5788-2396
local.publisher.countryBrasil
local.publisher.departmentEEF - DEPARTAMENTO DE FISIOTERAPIA
local.publisher.initialsUFMG
local.url.externahttps://onlinelibrary.wiley.com/doi/10.1002/pmrj.12080

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