Effects of shift work on the postural and psychomotor performance of night workers

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dc.creatorFernanda Veruska Narciso
dc.creatorJosé Angelo Barela
dc.creatorStefane A. Aguiar
dc.creatorAdriana n. s. Carvalho
dc.creatorSergio Tufik
dc.creatorMarco Túlio de Mello
dc.date.accessioned2024-02-16T16:25:16Z
dc.date.accessioned2025-09-08T23:59:06Z
dc.date.available2024-02-16T16:25:16Z
dc.date.issued2016
dc.format.mimetypepdf
dc.identifier.doihttps://doi.org/10.1371/journal.pone.0151609
dc.identifier.issn1932-6203
dc.identifier.urihttps://hdl.handle.net/1843/64030
dc.languageeng
dc.publisherUniversidade Federal de Minas Gerais
dc.relation.ispartofPLoS ONE
dc.rightsAcesso Aberto
dc.subjectPostura
dc.subjectDesempenho Psicomotor
dc.subjectTranstornos do sono do ritmo circadiano
dc.subject.otherPosture
dc.subject.otherPsychomotor Performance
dc.subject.otherNight Worker
dc.titleEffects of shift work on the postural and psychomotor performance of night workers
dc.title.alternativeEfeitos do trabalho por turnos no desempenho postural e psicomotor de trabalhadores noturnos
dc.typeArtigo de periódico
local.citation.issue4
local.citation.volume11
local.description.resumoThe purpose of the study was to investigate the effects of shift work on the psychomotor and postural performance of night workers. The study included 20 polysomnography technicians working schedule of 12-h night shift by 36-h off. On the first day of protocol, the body mass and height were measured, and an actigraph was placed on the wrist of each participant. On the second day of protocol, sleepiness by Karolinska Sleepiness Scale, postural control by force platform (30 seconds) and psychomotor performance by Psychomotor Vigilance Task (10 minutes) were measured before and after 12-h night work. Results showed that after 12-h night work, sleepiness increased by 59% (p<0.001), postural control variables increased by 9% (p = 0.048), and 14% (p = 0.006). Mean reaction time, and the number of lapses of attention increased by 13% (p = 0.006) and 425% (p = 0.015), respectively, but the mean reciprocal reaction time decreased by 7%. In addition, there were correlations between sleepiness and postural control variables with opened eyes (r = 0.616, 95% confidence interval [CI] = 0.361–0.815; r = 0.538; 95% CI = 0.280–0.748) and closed eyes (r =0.557; 95% CI = 0.304–0.764, r = 0497; 95% CI = 0.325–0.715) and a pronounced effect of sleepiness on postural sway (R2 = 0.393; 95% CI = 0.001–0.03). Therefore, 12-h night work system and sleepiness showed a negative impact in postural and psychomotor vigilance performance of night workers. As unexpected, the force platform was feasibility to detect sleepiness in this population, underscoring the possibility of using this method in the workplace to prevent occupational injuries and accidents.
local.identifier.orcidhttps://orcid.org/0000-0001-6863-8252
local.identifier.orcidhttps://orcid.org/0000-0003-0951-254X
local.identifier.orcidhttps://orcid.org/0000-0003-3896-2208
local.publisher.countryBrasil
local.publisher.departmentEEF - DEPARTAMENTO DE ESPORTES
local.publisher.initialsUFMG
local.url.externahttps://journals.plos.org/plosone/article?id=10.1371/journal.pone.0151609

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