Loading...
Publication
Impacto músculo-esquelético da utilização do assento em sela na prática clínica de medicina dentária
| Name: | Description: | Size: | Format: | |
|---|---|---|---|---|
| 1.72 MB | Adobe PDF |
Authors
Advisor(s)
Abstract(s)
Objetivos: O objetivo deste estudo é identificar qual o impacto da atividade elétrica dos músculos da região lombar dos estudantes do ensino pré-graduado do Mestrado Integrado em Medicina Dentária na clínica Universitária Egas Moniz, aquando sentados na cadeira em sela (Salli SwingFit) Akura e numa cadeira convencional.
Materiais e Métodos: Tendo em conta as limitações do estudo, optou-se pela metodologia quantitativa, desenvolvendo um estudo observacional analítico transversal, com uma amostra de 42 participantes. Realizou-se a caracterização da amostra e dados relacionado à saúde músculo-esquelética. Foi efetuada a quantificação do sinal EMG de Multifído e longuíssimo dorsal sendo os mesmos registados. A normalização do sinal foi realizada por meio de contração voluntária máxima (% CVM). O software JAMOVI (VERSÃO 2.2) foram utilizados para o tratamento estatístico dos dados e para análise da biomecânica.
Resultados: De acordo com a análise estatística, encontramos diferenças significativas entre cadeira 1 (convencional) e cadeira 2 (salli/ sela), onde o nível de significância foi de (P<0,05).
Discussão: Primeiramente, foi realizado uma filtragem para garantir que o sinal que estava a ser recolhido pertencia à frequência do músculo; seguidamente, foi feita uma retificação de valores, o envolvimento linear, para suavizar as curvas ou sinal do eletromiográfico. Por fim, foi feito a normalização, para confirmar a relação entre o máximo (%CVM) de cada indivíduo durante a execução do estudo.
Conclusão: Foi possível concluir que durante a prática clínica de Medicina Dentária, no ensino pré-graduado, elevada atividade muscular aquando sentados em cadeira 1 (convencional), enquanto que na cadeira ergonómica 2 (salli/sela).
Objectives: The aim objective of this study is to identify the impact of the electrical activity of the muscles of the lumbar region in undergraduate students of the Integrated Master of Dental Medicine at the Egas Moniz University Clinic, when seated on the saddle chair (Salli SwingFit) Akura and on a conventional chair. Materials and Methods: Considering the limitations of the study, we opted for a quantitative methodology, developing a cross-sectional analytical observational study with a sample of 42 participants. The characterization of the sample and data related to musculoskeletal health was carried out. The quantification of the EMG signal of the Multiflex and dorsal longissimus was carried out and recorded. The normalization of the signal was carried out by means of maximum voluntary contraction (% CVM). JAMOVI software (VERSION 2.2) were used for statistical treatment of the data and for biomechanical analysis. Results: According to the statistical analysis, we found considerable differences between chair 1 (conventional) and chair 2 (Salli/ saddle), with a significance level of (P<0.05). Discussion: Firstly, filtering was performed to ensure that the signal that was being collected belonged to the frequency of the muscle; next, a rectification of values, linear engagement, was performed to smooth the curves or signal of the electromyographic. Finally, normalization was performed in order to confirm maximum voluntary contraction (%CVM) values of each individual, during the execution of the study. Conclusion: It was possible to conclude that during the clinical practice of dentistry, undergraduate students demonstrated higher muscle activity when seated in chair 1 (conventional), in comparison to students that seat on the ergonomic chair 2 (salli/sela).
Objectives: The aim objective of this study is to identify the impact of the electrical activity of the muscles of the lumbar region in undergraduate students of the Integrated Master of Dental Medicine at the Egas Moniz University Clinic, when seated on the saddle chair (Salli SwingFit) Akura and on a conventional chair. Materials and Methods: Considering the limitations of the study, we opted for a quantitative methodology, developing a cross-sectional analytical observational study with a sample of 42 participants. The characterization of the sample and data related to musculoskeletal health was carried out. The quantification of the EMG signal of the Multiflex and dorsal longissimus was carried out and recorded. The normalization of the signal was carried out by means of maximum voluntary contraction (% CVM). JAMOVI software (VERSION 2.2) were used for statistical treatment of the data and for biomechanical analysis. Results: According to the statistical analysis, we found considerable differences between chair 1 (conventional) and chair 2 (Salli/ saddle), with a significance level of (P<0.05). Discussion: Firstly, filtering was performed to ensure that the signal that was being collected belonged to the frequency of the muscle; next, a rectification of values, linear engagement, was performed to smooth the curves or signal of the electromyographic. Finally, normalization was performed in order to confirm maximum voluntary contraction (%CVM) values of each individual, during the execution of the study. Conclusion: It was possible to conclude that during the clinical practice of dentistry, undergraduate students demonstrated higher muscle activity when seated in chair 1 (conventional), in comparison to students that seat on the ergonomic chair 2 (salli/sela).
Description
Dissertação para obtenção do grau de Mestre no Instituto Universitário Egas Moniz
Keywords
Ergonomia Distúrbios músculo-esqueléticos Saúde ocupacional Assento em sela