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Avaliação rápida de membros superiores (RULA): evidências de validade e confiabilidade na identificação da ergonomia do local de trabalho entre funcionários de bancos que usam computadores / Rapid upper limb assessment (RULA): validity and reliability evidences in identifying workplace ergonomics among bank employee's using computers
Kumar, Ajay; Kamath, Surendra.
  • Kumar, Ajay; Departamento de Fisioterapia Musculoesquelética. Karnataka. IN
  • Kamath, Surendra; Universidade Srinivas. Karnataka. BR
Rev. Pesqui. Fisioter ; 9(2): 194-203, Maio 2019. tab, ilus
Article in English, Portuguese | LILACS | ID: biblio-1150942
RESUMO

INTRODUÇÃO:

Distúrbios musculoesqueléticos (DME) representam uma das principais causas de lesões e incapacidades ocupacionais. Postura corporal inadequada durante a digitação é associada com DME entre os usuários de computador. O RULA (rapid upper limb assessment) é um método subjetivo de observação da postura para utilização em investigações ergonômicas de postos de trabalho.

OBJETIVO:

Examinar a validade e confiabilidade do RULA aplicado a usuários de computadores do setor bancário.

MATERIAIS E MÉTODOS:

Amostra aleatória simples de bancários com medidas antropométricas (idade, altura e peso). A validade concorrente do RULA foi estabelecida na comparação com o instrumento validado de Avaliação Rápida do Corpo Inteiro (REBA). A confiabilidade intraexaminador do RULA foi estabelecida pelo investigador principal em dois ensaios no mesmo grupo de participantes, na mesma condição ambiental e nos mesmos tempos, com um intervalo de 2 dias. A confiabilidade interavaliadores foi estabelecida pelo investigador principal e outro pesquisador no mesmo grupo de participantes com as mesmas condições ambientais e com um intervalo de 2 minutos.

RESULTADO:

Total 301 participantes foram recrutados, sendo 170 participantes do sexo masculino e 131 do sexo feminino. O RULA apresentou alta correlação com o REBA (ρ = 0,91; p <0,001). A confiabilidade intra e interobservador do RULA foi excelente com ICC = 0,92 (0,90-0,94) e 0,91 (0,89-0,93), respectivamente.

CONCLUSÃO:

A validade e a confiabilidade do RULA foram estabelecidas entre bancários no uso de computadores, com excelente correlação e concordância interexaminadores.
ABSTRACT

BACKGROUND:

Musculoskeletal disorders (MSDs) represent one of the leading causes of occupational injury and disability. Awkward body posture while typing is associated with MSDs among the computer users. RULA (rapid upper limb assessment) is a subjective observation method of posture analysis for use in ergonomics investigations of workplaces where work-related upper limb disorders are reported. To date, no data available on reliability and validity of RULA among the bank employee's using computers.

OBJECTIVE:

To examine the validity and reliability of RULA among the bank employees' using computers. MATERIALS AND

METHODS:

A sample of bank employee were recruited by simple random sampling technique to take part in this validity and reliability study. All anthropometric measurement was taken before the beginning of the study including age, height and weight. The concurrent validity of RULA was established with the criterion referenced, Rapid Entire Body Assessment (REBA). Principal investigator recorded both the scores of RULA and REBA to estimate the concurrent validity. Intra-rater reliability of RULA was established by the principal investigator across two trials on the same group of participants in the same environmental condition and same timings with a gap of 2 days. Inter­rater reliability of RULA was established by the principal investigator and another researcher on the same group of participants with in the same environmental conditions and same with a gap of 2 minutes.

RESULT:

Total 301 Participants were recruited in this study, in which 170 participants were males, and other 131 were females. Concurrent validity of RULA with the criterion measure REBA is found to be good as measured by spearman's rank correlation test, ρ=0.91 (p<0.001). Intra-and inter-rater reliability of RULA is found to excellent with ICC=0.92 (0.90-0.94) and 0.91 (0.89-0.93) respectively.

CONCLUSION:

Validity and reliability of RULA have been established among the bank employees' using computers. There exists good validity and excellent reliability among them.
Subject(s)


Full text: Available Index: LILACS (Americas) Main subject: Ergonomics Type of study: Controlled clinical trial / Diagnostic study / Prognostic study Language: English / Portuguese Journal: Rev. Pesqui. Fisioter Journal subject: Farmacologia / Terapˆutica / Toxicologia Year: 2019 Type: Article Affiliation country: Brazil / India Institution/Affiliation country: Departamento de Fisioterapia Musculoesquelética/IN / Universidade Srinivas/BR

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Full text: Available Index: LILACS (Americas) Main subject: Ergonomics Type of study: Controlled clinical trial / Diagnostic study / Prognostic study Language: English / Portuguese Journal: Rev. Pesqui. Fisioter Journal subject: Farmacologia / Terapˆutica / Toxicologia Year: 2019 Type: Article Affiliation country: Brazil / India Institution/Affiliation country: Departamento de Fisioterapia Musculoesquelética/IN / Universidade Srinivas/BR