936 resultados para Human engineering.
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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
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Pós-graduação em Design - FAAC
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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
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Pós-graduação em Design - FAAC
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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
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Este estudo teve por objetivo avaliar o risco de desenvolvimento de desordens músculo-esqueléticas nos membros superiores de graduandos de Odontologia considerando as variáveis sexo, tipo de procedimento clínico executado, região da boca tratada e prática do trabalho a quatro mãos. Foram avaliados alunos, de ambos os sexos, matriculados no oitavo semestre do curso de graduação da Faculdade de Odontologia de Araraquara - UNESP. Foram efetuadas tomadas fotográficas durante a realização de 283 procedimentos clínicos, utilizando-se máquina fotogrática digital. Para análise das fotografias, utilizou-se o programa Image Tool. As posturas de trabalho adotadas por cada estudante na sua atuação como “operador” foram observadas pelo método RULA (Rapid Upper Limb Assessment), o qual inclui o uso de um diagrama de análise de postura do indivíduo e três tabelas de escores que permitem a avaliação da exposição aos fatores de risco para o desenvolvimento de desordens músculo-esqueléticas. As fotografias foram analisadas por um professor da área de ergonomia calibrado (_=0,91). Para cada procedimento foi atribuído um escore de risco final. Os procedimentos executados foram classificados em duas grandes categorias: procedimentos preparatórios e procedimentos restauradores/reabilitadores. Os dados de risco de desordens músculoesqueléticas nos membros superiores foram apurados, e sua prevalência foi estimada por ponto e por intervalo de confiança de 95%. O estudo da associação do risco de desordens músculo-esqueléticas às variáveis de interesse foi realizado por meio do Teste de Qui-quadrado (_ 2). O nível de significância adotado foi de 5%. Observou-se que na maioria dos procedimentos executados o risco de desordens músculo-esqueléticas segundo a classificação... (Resumo completo, clicar acesso eletrônico abaixo)
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Objective: To evaluate the risk of development of musculoskeletal disorders in the upper limbs of undergraduate dentistry students during the execution of pre-clinical laboratory activities based on gender, type of dental procedure and area of the mouth under treatment.Methods: Male and female undergraduate students in the second year of the Araraquara Dental School, UNESP, were enrolled in this study. Digital photographs were obtained whilst the subjects performed laboratory activities. The working postures adopted by each student were evaluated using the Rapid Upper Limb Assessment (RULA). The photos were analysed by a calibrated researcher (k = 0.89), and a final risk score was attributed to each analysed procedure (n = 354). Descriptive statistical analyses were performed, and the associations of interest were analysed by the chisquare test (P = 0.05).Results: During most of the laboratory procedures performed, the risk of developing musculoskeletal disorders was high (64.7%; - IC95%: 59.7-69.7%), with no significant association between the RULA final score and gender (chi(2) = 1.100; P = 0.577), type of dental procedure (chi(2) = 5.447, P = 0.244) and mouth area treated (chi(2) = 4.150; P = 0.126).Conclusions: The risk of developing musculoskeletal disorders was high in undergraduate dentistry students; this risk was not related to gender, type of dental procedure and region of the mouth being treated.
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Aim: This study assessed the risk factors of undergraduate students to develop musculoskeletal disorders (MSD) in the upper limbs, regarding gender, type of dental clinical procedure, mouth region treated, and the four-handed dentistry practice. Methods: Dental students enrolled in the 8th semester in the Araraquara School of Dentistry, UNESP, Brazil, were photographed while practicing 283 dental procedures. The Rapid Upper Limb Assessment (RULA) method was used to evaluate the working postures of each student. The photographs were evaluated and a final risk score was attributed to each analyzed procedure. The prevalence of risk factors of developing MSD was estimated by point and by 95% confidence interval. The association between the risk factor of developing disorders and variables of interest were assessed by the chi-square test with a significance level of 5%. Results: The risk factors of developing MSD were high, regarding most dental procedures performed by the undergraduate students (score 5: 7.07%, CI95%: 4.08- 10.06%; score 6: 62.54%, CI95%: 56.90-68.18%). There was no significant association between the RULA final score and gender (p=0.559), and type of dental procedure (p=0.205), and mouth regions by arch (p=0.110) or hemi-arch (p=0.560), and the use of four-handed dentistry (p=0.366). Conclusions: It can be concluded that gender, type of dental clinical procedure, mouth region treated, and practice of four-handed dentistry did not influence the risk of developing MSD in the upper limbs among the dental students evaluated; however, they are at a high risk of developing such disorders.
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The dental professionals are exposed to many risks of development of occupational diseases and the musculoskeletal disorders in the upper limbs are the most common disease. This problem may result in lower productivity and / or early retirement. Therefore, early diagnosis should be done through a reliable and valid system of risk assessment. Because of that, this study set out to conduct a review of the literature on methods of risk assessment of musculoskeletal disorders in the upper limbs in dental professionals. Conclusion: It was concluded that the available methods for assessing the risk of musculoskeletal disorders in dentistry are self-reports, observational and direct. Among these methods, the self-reports were frequently used to detect the risk of musculoskeletal disorders among dentists, dental students and professionals from the dental team. Further studies should be performed in dentistry using observational and direct methods.
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Pós-graduação em Engenharia Elétrica - FEIS
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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
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Aim: This study assessed the risk factors of undergraduate students to develop musculoskeletaldisorders (MSD) in the upper limbs, regarding gender, type of dental clinical procedure, mouthregion treated, and the four-handed dentistry practice. Methods: Dental students enrolled in the8th semester in the Araraquara School of Dentistry, UNESP, Brazil, were photographed whilepracticing 283 dental procedures. The Rapid Upper Limb Assessment (RULA) method was usedto evaluate the working postures of each student. The photographs were evaluated and a finalrisk score was attributed to each analyzed procedure. The prevalence of risk factors of developingMSD was estimated by point and by 95% confidence interval. The association between the riskfactor of developing disorders and variables of interest were assessed by the chi-square test witha significance level of 5%. Results: The risk factors of developing MSD were high, regardingmost dental procedures performed by the undergraduate students (score 5: 7.07%, CI95%: 4.08-10.06%; score 6: 62.54%, CI95%: 56.90-68.18%). There was no significant association betweenthe RULA final score and gender (p=0.559), and type of dental procedure (p=0.205), and mouthregions by arch (p=0.110) or hemi-arch (p=0.560), and the use of four-handed dentistry (p=0.366).Conclusions: It can be concluded that gender, type of dental clinical procedure, mouth regiontreated, and practice of four-handed dentistry did not influence the risk of developing MSD in theupper limbs among the dental students evaluated; however, they are at a high risk of developingsuch disorders.(AU).
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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)