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1.
Beijing Da Xue Xue Bao Yi Xue Ban ; 52(5): 948-951, 2020 Oct 18.
Artigo em Chinês | MEDLINE | ID: mdl-33047735

RESUMO

OBJECTIVE: To assess the effects of loupes and microscope on the posture of prosthodontists when preparing the laminate veneer, and to assess the clinical value of loupes and microscope from the ergonomic aspects. METHODS: Twenty young prosthodontists from Department of Prosthodontics, Peking University School and Hospital of Stomatology were recruited into this study, which was a prospective, single blind, self-control trials. The research hypothesis was concealed and the participants were deceived about the precise purpose of the study to counterbalance the lack of direct blinding. The prosthodontists prepared laminate veneers of open window type in the artificial dental model, under routine visual field (control group), 2.5× headwear loupes (loupes group), and 8× operating microscope (microscopic group) by turning. The participants were photographed from profile view and front view. Thereafter, the subjective assessment was performed by themselves using the visual analogue score (VAS). The expert assessment was performed by two professors using modified-dental operator posture assessment instrument on the basis of photographs of the profile view and front view. RESULTS: The subjective assessment scores for the control group, loupes group and microscopic group were 4.55±1.96, 7.90±1.12, and 9.00±0.92, respectively. There was significant difference between the three groups' subjective scores (P < 0.05). The expert assessment scores for the control group, loupes group and microscopic group were 16.38±1.52, 15.15±1.30, and 13.60±0.88, respectively. There was significant difference between the three groups' expert assessment scores (P < 0.05). Specifically, the three groups' expert assessment scores were significantly different (P < 0.05) in trunk position (front to back) (1.33±0.41, 1.03±0.11, 1.00±0.00), head and neck position (front to back) (2.75±0.38, 2.13±0.36, 1.23±0.38), elbows level (1.38±0.43, 1.40±0.45, 1.13±0.22), and shoulders level (1.43±0.41, 1.23±0.34, 1.13±0.28). Thereinto, the microscopic group was better than loupes group in head and neck position (front to back) and elbows level (P < 0.05). CONCLUSION: Loupes and microscope improve the posture of the prosthodontist when preparing the laminate veneer, in which the microscope is better than loupes. Therefore, the magnification devices have clinical value from the ergonomic aspects.


Assuntos
Ergonomia , Postura , Odontólogos , Humanos , Estudos Prospectivos , Método Simples-Cego
2.
Annu Int Conf IEEE Eng Med Biol Soc ; 2020: 3134-3137, 2020 07.
Artigo em Inglês | MEDLINE | ID: mdl-33018669

RESUMO

Numerous applications in areas such as ergonomics assessment, clinical biomechanics and motor control research would benefit from accurately modeling the relationship between forearm EMG and fingertip force, using conventional electrodes. Herein, we describe a methodological study of relating 12 conventional surface EMGs, applied circumferentially about the forearm, to fingertip force during constant-pose, force-varying (dynamic) contractions. We studied independent contraction of one, two, three or four fingers (thumb excluded), as well as contraction of four fingers in unison. Using regression, we found that a pseudo-inverse tolerance (ratio of largest to smallest singular value) of 0.01 was optimal. Lower values produced erratic models and higher values produced models with higher errors. EMG-force errors using one finger ranged from 2.5-3.8% maximum voluntary contraction (MVC), using the optimal pseudo-inverse tolerance. With additional fingers (two, three or four), the average error ranged from 5-8 %MVC. When four fingers contracted in unison, the average error was 4.3 %MVC.


Assuntos
Dedos , Antebraço , Eletromiografia , Ergonomia , Polegar
3.
Georgian Med News ; (304-305): 158-163, 2020.
Artigo em Inglês | MEDLINE | ID: mdl-32965268

RESUMO

Ergonimics is the science of labor. The subject of its research is the interrelationship between human, technology and the environment in the labor process. The development of ergonomics is closely related to the level of socio-economic development of the Country. The principles of ergonomics are becoming increasingly important in managing all areas of medicine. Since dentistry is one of the fastest growing areas of medicine in terms of technology, it is important to constantly monitor the requirements of ergonomics in order to ensure technological progress with adequate labor recommendations that will help specialists adapt to innovations and thus improve the quality of service.; In dentistry the effectiveness of the labor process is determined by the qualification of the workers, the specifics of working conditions and the adaptations of the personal to this conditions. The development of the correct recommendations on this issue is one of the most important tasks of ergonomics, however, the practical implementation of such recommendations is somewhat problematic. The presented review discusses the conditions for introducing ergonomic principles and risk factors that cause the incomplete implementation of these principles. The review is based on the articles published over the past 5 years in journals indexed in the Science Direct, Scopus, and PubMed databases. The analysis of the collected information revealed the necessity of:; - studying of the patterns of interaction between human, equipment (technology) and environmental factors in order to improve the activities of service providers;; - ergonomic assessment of working conditions and dynamic detection of "occupational harmful factors" to create an ergonomic environment reflecting the changes of the socio-economic conditions in the Country;; - development of the theoretical bases of the functioning of the "human-operator", taking into account the operating conditions of technological systems and the peculiarities of environmental factors;; - development of ergonomic prognoses and hypotheses for the development and improvement of the human labor process.


Assuntos
Odontologia , Ergonomia , Humanos , Fatores de Risco
4.
An. Fac. Cienc. Méd. (Asunción) ; 53(2): 79-86, 20200800.
Artigo em Espanhol | LILACS | ID: biblio-1119462

RESUMO

Introducción: El riesgo ergonómico y el estrés laboral, además de otros aspectos impactan en la salud del trabajador, el desempeño y productividad dependen del estado de salud. Objetivos: El objetivo de la investigación es determinar el nivel de riesgo ergonómico y estrés laboral de los fisioterapeutas que ejercen funciones en el Hospital de Clínicas de la Facultad de Ciencias Médicas. Materiales y métodos: Estudio observacional, descriptivo de corte transversal, con una muestra de 49 fisioterapeutas del Hospital de Clínicas, no probabilístico por conveniencia. Resultados: de 49 profesionales, 32 son mujeres y 17 varones. El promedio de edad 36,7 ± 9,8. El promedio de la antigüedad dentro de la institución, 8 años. El 67% de los fisioterapeutas presenta nivel 4, riesgo alto y el 33% presenta un nivel 5, riesgo muy alto. En relación al nivel de estrés el 78% presenta nivel bajo. Conclusión: El riesgo ergonómico hallado se encuentra entre alto y muy alto, requiriendo una intervención inmediata para evitar lesiones musculo esqueléticas y la posterior discapacidad física para el ejercicio profesional.


Introduction: Ergonomic risk and work stress, in addition to other aspects impact on worker health, performance and productivity depend on the state of health. Objectives: The objective of this study is to determine the level of ergonomic risk and occupational stress of the physiotherapists who works at Clinicas Hospital. Materials and methods: Observational, descriptive cross-sectional study, with a sample of 49 physiotherapists, not probabilistic for convenience. Results: of 49 professionals, 32 are women and 17 are men. The average age 36.7 ± 9.8. The average of years working at the institution is 8 years. 67% of physical therapists have level 4, high risk and 33% have level 5, very high risk. Regarding the stress level, 78% have a low level. Conclusion: The ergonomic risk found is between high and very high, requiring immediate intervention to avoid musculoskeletal injuries and subsequent physical disability for professional skills.


Assuntos
Estresse Ocupacional , Fisioterapeutas/psicologia , Ergonomia
5.
Rev Assoc Med Bras (1992) ; 66(5): 637-642, 2020 May.
Artigo em Inglês | MEDLINE | ID: mdl-32638955

RESUMO

Using computer-aided engineering (CAE) in the concept design stage of automobiles has become a hotspot in human factor engineering research. Based on human musculoskeletal biomechanical computational software, a seated human-body musculoskeletal model was built to describe the natural sitting posture of a driver. The interaction between the driver and car in various combinations of seat-pan/back-rest inclination angles was analyzed using an inverse-dynamics approach. In order to find out the "most comfortable" driving posture of the seat-pan/back-rest, the effect of seat-pan/back-rest inclination angles on the muscle activity degree, and the intradiscal L4-L5 compression force were investigated. The results showed that a much larger back-rest inclination angle, approximately 15°, and a slight backward seat-pan, about 7°, may relieve muscle fatigue and provide more comfort while driving. Subsequently, according to the findings above, a preliminary driving-comfort function was constructed.


Assuntos
Postura , Postura Sentada , Automóveis , Ergonomia , Humanos , Vértebras Lombares
6.
Oral Health Prev Dent ; 18(1): 277-285, 2020 Apr 01.
Artigo em Inglês | MEDLINE | ID: mdl-32618451

RESUMO

PURPOSE: Ergonomics in dentistry poses some challenges to dentists and may require considerable concentration and attention to detail. This research enables early recognition and prevention of common ergonomic-related conditions, such as carpel tunnel syndrome, back pain and neck pain. The purpose of this study was to determine the prevalence of ergonomic-related problems concerning carpel tunnel syndrome (CTS) and to know the efficacy of independent and combined clinical tests used in diagnosing it. MATERIALS AND METHODS: Initially the participants were instructed to complete a self-administered questionnaire regarding the severity of symptoms of their hands on a hand-wrist diagram and a visual analogue scale. The principle investigator evaluated all questionnaires independently and four clinical tests were used on both hands in a systematic (non-randomised) order for subjects who had symptoms. Those with residual symptoms that exceeded beyond 1 min interval were identified and controlled for the statistical analyses. RESULTS: The most common symptom noted in the study group was tingling and numbness of fingers (66.46%) followed by neck pain (66.34%). 29.26% of subjects reported moderate difficulty in typing and driving vehicles, whereas 26.82% subjects felt moderate difficulty in grasping and carrying shopping bags. 61.94% of subjects with symptoms spent more than 1 h daily of their free time on mobile phones or other smart devices. Individually, in our study the Tinsel's sign stood out as ineffective in ruling out CTS when compared with Phalen's test. Combination tests like Phalen's test and compression tests are confirmatory to CTS diagnosis and 66.34 % of the research group were hence diagnosed for CTS. CONCLUSIONS: A positive criteria for CTS, neck and shoulder pain is identified in our study as being due to long-term use of mobile devices. Further, combination tests like Phalen's with pressure provocation tests proved accurate in conforming CTS. Future research is needed to confirm the diagnostic utility of these independent and combined clinical tests in less prevalent settings, including general dental practitioners and occupational worksites. TRIAL REGISTRATION: The current study is registered in King Khalid University, College of dentistry ethical committee SRC/REG/2016-17/107.


Assuntos
Síndrome do Túnel Carpal , Odontólogos , Ergonomia , Universidades , Odontologia , Humanos , Incidência , Papel Profissional , Arábia Saudita
7.
Hum Factors ; 62(5): 689-696, 2020 08.
Artigo em Inglês | MEDLINE | ID: mdl-32515231

RESUMO

OBJECTIVE: The aim was to recommend an integrated Total Worker Health (TWH) approach which embraces core human factors and ergonomic principles, supporting worker safety, health, and well-being during the COVID-19 pandemic. BACKGROUND: COVID-19 has resulted in unprecedented challenges to workplace safety and health for workers and managers in essential businesses, including healthcare workers, grocery stores, delivery services, warehouses, and distribution centers. Essential workers need protection, accurate information, and a supportive work environment with an unwavering focus on effective infection control. METHOD: The investigators reviewed emerging workplace recommendations for reducing workers' exposures to the novel coronavirus and the challenges to workers in protecting their health. Using a theoretical framework and guidelines for integrating safety and health management systems into an organization for TWH, the investigators adapted the framework's key characteristics to meet the specific worker safety and health issues for effective infection control, providing supports for increasing psychological demands while ensuring a safe work environment. RESULTS: The recommended approach includes six key characteristics: focusing on working conditions for infection control and supportive environments for increased psychological demands; utilizing participatory approaches involving workers in identifying daily challenges and unique solutions; employing comprehensive and collaborative efforts to increase system efficiencies; committing as leaders to supporting workers through action and communications; adhering to ethical and legal standards; and using data to guide actions and evaluate progress. CONCLUSION: Applying an integrative TWH approach for worker safety, health, and well-being provides a framework to help managers systematically organize and protect themselves, essential workers, and the public during the COVID-19 pandemic. APPLICATION: By using the systems approach provided by the six implementation characteristics, employers of essential workers can organize their own efforts to improve system performance and worker well-being during these unprecedented times.


Assuntos
Betacoronavirus , Controle de Doenças Transmissíveis/organização & administração , Infecções por Coronavirus/prevenção & controle , Ergonomia , Saúde do Trabalhador , Pandemias/prevenção & controle , Pneumonia Viral/prevenção & controle , Infecções por Coronavirus/epidemiologia , Infecções por Coronavirus/transmissão , Humanos , Pneumonia Viral/epidemiologia , Pneumonia Viral/transmissão , Local de Trabalho/organização & administração
8.
Artigo em Inglês | MEDLINE | ID: mdl-32512690

RESUMO

Standing desks are a viable option to decrease sedentary time in the classroom. However, it is important that standing desks are not detrimental to classroom behavior or learning. The purpose of this study was to evaluate the impact of stand-biased desks on fidgeting and attentiveness. Ninety-seven students in grades 3, 4, and 6 (ages 8-12 years) volunteered to participate in this study. The intervention employed a within-classroom crossover design, with teacher-determined allocation for seating within each classroom and included the replacement of one-half of the traditional sitting desks with stand-biased desks. Direct observation of student's attentive and fidgeting behaviors occurred at three assessment periods, at baseline when all students were in a sitting desk condition and at the end of each nine-week intervention. Stand-biased desks did not influence fidgeting behavior, but did have an impact on attentive behavior. Students that were less attentive at baseline had a 40-80% increase incidence rate in non-attentive behavior while in the traditional desk as compared to the stand-biased desk after the intervention. While fidgeting and non-attentive episodes (p = 0.034) were significantly related, the type of desk did not significantly moderate this relationship (p = 0.810). Standing desks can be incorporated into the classroom without negatively influencing classroom behavior.


Assuntos
Ergonomia , Decoração de Interiores e Mobiliário , Instituições Acadêmicas , Comportamento Sedentário , Criança , Feminino , Humanos , Masculino , Postura Sentada , Posição Ortostática , Estudantes , Local de Trabalho
9.
Ann Agric Environ Med ; 27(2): 207-210, 2020 Jun 19.
Artigo em Inglês | MEDLINE | ID: mdl-32588594

RESUMO

INTRODUCTION AND OBJECTIVE: The palm quality selection process has risks of problems in ergonomics. The aim of this research is to study the factors related to musculoskeletal disorders in quality control palm workers at palm purchasing establishments in Sichon District, Nakhon Si Thammarat, Thailand. MATERIAL AND METHODS: A cross-sectional study was conducted with 50 workers with musculoskeletal disorders, as assessed by the Bureau of Occupational and Environmental Disease, Ministry of Public Health, Thailand. Ergonomic risk assessment was performed using the Rapid Entire Body Assessment (REBA), and the data studied with the help of descriptive statistics and chi-square analyses. All data were analyzed using SPSS version 19. RESULTS: The sample included 96% of males with an average age of 34.2 years (SD=11.09). The participants used pickup trucks to transport palm oil from the plantation. 72% of the workers had worked at the plantation for 4.9±4.9 years; 54% did not work overtime. The average amount of palm oil collection for palm quality control was 23.5±11.3 tons/day. Quality control palm workers using sidecars (28%) were found to be moderately at risk, and those using trucks (72%) were at a high level of risk. The prevalence of musculoskeletal disorders after one year at work was 78%. The amount of palm oil controlled per day, working overtime, car type used for transport, and ergonomics risk level, were significantly related to musculoskeletal disorders in quality control palm workers (p-value <0.05). CONCLUSIONS: The results indicate a need for the top management and health-related personnel to promote occupational health and safety measures for quality control palm workers.


Assuntos
Doenças Musculoesqueléticas/epidemiologia , Doenças Profissionais/epidemiologia , Adulto , Estudos Transversais , Ergonomia , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Doenças Musculoesqueléticas/etiologia , Doenças Profissionais/etiologia , Óleo de Palmeira , Prevalência , Controle de Qualidade , Fatores de Risco , Tailândia/epidemiologia , Adulto Jovem
10.
Artigo em Inglês | MEDLINE | ID: mdl-32560566

RESUMO

The objective of this study was to reveal RULA method applications in terms of the knowledge, country, year and journal categories. The search was performed using the "Web of Science Core Collection". The period from 1993 to April 2019 was selected. Eight hundred nine results were obtained, of which 226 were used. The largest number of publications was determined to be in the fields of industry and health and social assistance, which coincides with the OWAS and Standardized Nordic Questionnaire methods. By country, the USA stands out for its greater number of research studies and categories that are encompassed. By date, 2016 was the year when more studies were carried out, again coinciding with the Standardized Nordic Questionnaire. By journal, "Work-A Journal of Prevention Assessment and Rehabilitation" is highlighted, as it is for the REBA method as well. It was concluded that RULA can be applied to workers in different fields, usually in combination with other methods, while technological advancement provides benefits for its application.


Assuntos
Bibliometria , Doenças Musculoesqueléticas/epidemiologia , Doenças Profissionais/epidemiologia , Medição de Risco/métodos , Ergonomia , Humanos , Indústrias/estatística & dados numéricos , Doenças Musculoesqueléticas/etiologia , Doenças Musculoesqueléticas/prevenção & controle , Doenças Profissionais/etiologia , Doenças Profissionais/prevenção & controle , Fatores de Risco
11.
Hum Factors ; 62(5): 689-696, 2020 08.
Artigo em Inglês | MEDLINE | ID: covidwho-591839

RESUMO

OBJECTIVE: The aim was to recommend an integrated Total Worker Health (TWH) approach which embraces core human factors and ergonomic principles, supporting worker safety, health, and well-being during the COVID-19 pandemic. BACKGROUND: COVID-19 has resulted in unprecedented challenges to workplace safety and health for workers and managers in essential businesses, including healthcare workers, grocery stores, delivery services, warehouses, and distribution centers. Essential workers need protection, accurate information, and a supportive work environment with an unwavering focus on effective infection control. METHOD: The investigators reviewed emerging workplace recommendations for reducing workers' exposures to the novel coronavirus and the challenges to workers in protecting their health. Using a theoretical framework and guidelines for integrating safety and health management systems into an organization for TWH, the investigators adapted the framework's key characteristics to meet the specific worker safety and health issues for effective infection control, providing supports for increasing psychological demands while ensuring a safe work environment. RESULTS: The recommended approach includes six key characteristics: focusing on working conditions for infection control and supportive environments for increased psychological demands; utilizing participatory approaches involving workers in identifying daily challenges and unique solutions; employing comprehensive and collaborative efforts to increase system efficiencies; committing as leaders to supporting workers through action and communications; adhering to ethical and legal standards; and using data to guide actions and evaluate progress. CONCLUSION: Applying an integrative TWH approach for worker safety, health, and well-being provides a framework to help managers systematically organize and protect themselves, essential workers, and the public during the COVID-19 pandemic. APPLICATION: By using the systems approach provided by the six implementation characteristics, employers of essential workers can organize their own efforts to improve system performance and worker well-being during these unprecedented times.


Assuntos
Betacoronavirus , Controle de Doenças Transmissíveis/organização & administração , Infecções por Coronavirus/prevenção & controle , Ergonomia , Saúde do Trabalhador , Pandemias/prevenção & controle , Pneumonia Viral/prevenção & controle , Infecções por Coronavirus/epidemiologia , Infecções por Coronavirus/transmissão , Humanos , Pneumonia Viral/epidemiologia , Pneumonia Viral/transmissão , Local de Trabalho/organização & administração
12.
Waste Manag ; 109: 149-160, 2020 May 15.
Artigo em Inglês | MEDLINE | ID: mdl-32408098

RESUMO

In the last decade, door-to-door waste collection methods have been largely applied by several municipalities in Italy, with the main purpose to achieve higher rates of sorted waste. This approach requires waste collectors to handle a high number of small waste containers during their work-shift, especially in urban areas and historic city centres. Workers may experience ergonomic issues during door-to-door waste collection, due to the characteristics of the waste containers, the waste collection equipment, the work organization and citizens' behaviour. If not well planned and managed, this activity may expose waste collectors to ergonomic risk factors for musculoskeletal disorders. This study proposes a detailed investigation of the door-to-door waste collection strategy operated in an Italian city centre for the collection of organic municipal solid waste, green waste and residual waste. The aim is to investigate the impact of door-to-door waste collection strategies on the health and safety of the workers involved in this activity. The results show that the lack of proper waste collection equipment determines poor ergonomics conditions during door-to-door collection of green waste. The poor design of operations and technology is the cause of ergonomic issues in the door-to-door collection of organic municipal solid waste and residual waste. Finally, work organization factors impact on the safety and health of all the waste collectors involved in this study. A set of recommendations and suggestions are provided to managers, workers and citizens involved in door-to-door waste collection, showing that this activity can be sustainable if well designed and managed.


Assuntos
Eliminação de Resíduos , Gerenciamento de Resíduos , Cidades , Ergonomia , Humanos , Itália , Resíduos Sólidos
13.
J. nurs. health ; 10(2): 20102004, mai.2020.
Artigo em Português | LILACS, BDENF - Enfermagem | ID: biblio-1099698

RESUMO

Objetivo: investigar os riscos ergonômicos existentes no ambiente de trabalho do enfermeiro da Atenção Básica e Pronto Atendimento da cidade de Mato Verde, Minas Gerais, na perspectiva do trabalhador. Método: trata-se de um estudo descritivo, exploratório e qualitativo realizado com seis enfermeiros. Os dados foram coletados no mês de agosto de 2019 por meio de uma entrevista semiestruturada e tratados por análise de conteúdo. Resultados: indicam que os enfermeiros, por vezes, negligenciam riscos ergonômicos percebidos no ambiente de trabalho o que colabora para manifestação de danos físicos e psíquicos como dor lombar e insônia. Conclusões: diante dos riscos ergonômicos existentes nos espaços de trabalho é importante pensar em estratégias que minimizem ou eliminem os riscos e os fatores desencadeadores de modo que a promoção de um ambiente de trabalho saudável e seguro se torne uma cultura nas organizações de saúde.(AU)


Objective: to investigate the ergonomic risks existing in the work environment of nurses in Primary Care and Emergency Care in the city of Mato Verde, Minas Gerais, from the perspective of the worker. Method: this is a descriptive, exploratory and qualitative study carried out with six nurses. Data were collected in august 2019 through a semi-structured interview and treated by content analysis. Results: they indicate that nurses sometimes neglect perceived ergonomic risks in the work environment, which contributes to the manifestation of physical and psychological damage such as low back pain and insomnia. Conclusions: in view of the ergonomic risks that exist in the workspaces, it is important to think of strategies that minimize or eliminate the risks and the triggering factors so that the promotion of a healthy and safe work environment becomes a culture in health organizations.(AU)


Objetivo: investigar los riesgos ergonómicos existentes en el entorno laboral de las enfermeras en Atención Primaria y Atención de Emergencia en la ciudad de Mato Verde, Minas Gerais, desde la perspectiva del trabajador. Método: estudio descriptivo, exploratorio y cualitativo realizado con seis enfermeras. Los datos se recopilaron en agosto de 2019 a través de una entrevista semiestructurada y tratados por análisis de contenido. Resultados: indican que las enfermeras a veces descuidan los riesgos ergonómicos percibidos en el entorno laboral, lo que contribuye a la manifestación de daños físicos y psicológicos como el dolor lumbar y el insomnio. Conclusiones: en vista de los riesgos ergonómicos que existen en los espacios de trabajo, es importante pensar en estrategias que minimicen o eliminen los riesgos y los factores desencadenantes para que la promoción de un entorno laboral saludable y seguro se convierta en una cultura en las organizaciones de salud.(AU)


Assuntos
Humanos , Atenção Primária à Saúde , Ambiente de Trabalho , Riscos Ocupacionais , Ergonomia , Enfermeiras e Enfermeiros
15.
J Dent Educ ; 84(9): 1025-1031, 2020 Sep.
Artigo em Inglês | MEDLINE | ID: mdl-32421871

RESUMO

INTRODUCTION: Dental professionals have been encouraged to maintain their neutral postures throughout their workday in order to maintain a healthy musculoskeletal system. However, with 4-handed dentistry, maintaining neutral postures becomes more challenging when the dentist and dental assistant work concurrently alongside the patient to complete dental procedures. PURPOSE: The purpose of this study was to determine whether relationships exist between the postures of dentists and dental assistants. METHODS: Upon institutional review board approval, this study used a cross-sectional research design of a convenience sample of 31 unique pairings of dentists and dental assistants. The Modified-Dental Operator Posture Assessment Instrument (M-DOPAI) and Rapid Upper Limb Assessment (RULA) were used to assess ergonomic scores and ergonomic risks of captured photographs of dentists and dental assistants performing 4-handed dentistry. The data were analyzed using descriptive statistics and correlational analysis. RESULTS: The dentists and dental assistants demonstrated higher ergonomic scores for the trunk, head, and arm positions and higher ergonomic risk scores for the neck/trunk/leg positions. The head position of dental assistants was positive correlated with hip position of dentists. The shoulder position of dental assistants was negatively correlated with the head position of dentists. CONCLUSION: Ergonomic risks scores indicated further investigations and potential changes in postures to reduce ergonomic risks. Multiple postural components of the dentists and dental assistants were related. Ergonomic training should include consideration of dentists and dental assisting working concurrently in 4-handed dentistry. More ergonomic training is needed with 4-handed dentistry among dental and dental assisting students and faculty members.


Assuntos
Assistentes de Odontologia , Doenças Profissionais , Estudos Transversais , Odontólogos , Ergonomia , Humanos , Postura
16.
Artigo em Inglês | MEDLINE | ID: mdl-32438649

RESUMO

Wearable sensors are beneficial for continuous health monitoring, movement analysis, rehabilitation, evaluation of human performance, and for fall detection. Wearable stretch sensors are increasingly being used for human movement monitoring. Additionally, falls are one of the leading causes of both fatal and nonfatal injuries in the workplace. The use of wearable technology in the workplace could be a successful solution for human movement monitoring and fall detection, especially for high fall-risk occupations. This paper provides an in-depth review of different wearable stretch sensors and summarizes the need for wearable technology in the field of ergonomics and the current wearable devices used for fall detection. Additionally, the paper proposes the use of soft-robotic-stretch (SRS) sensors for human movement monitoring and fall detection. This paper also recapitulates the findings of a series of five published manuscripts from ongoing research that are published as Parts I to V of "Closing the Wearable Gap" journal articles that discuss the design and development of a foot and ankle wearable device using SRS sensors that can be used for fall detection. The use of SRS sensors in fall detection, its current limitations, and challenges for adoption in human factors and ergonomics are also discussed.


Assuntos
Acidentes por Quedas , Dispositivos Eletrônicos Vestíveis , Local de Trabalho , Acidentes por Quedas/prevenção & controle , Ergonomia , Humanos , Movimento
17.
Artigo em Inglês | MEDLINE | ID: mdl-32466147

RESUMO

Working at intensive care units (ICUs) is considered a risk factor for developing musculoskeletal complaints (MSC). This study was conducted between January 2017 and June 2019 in two ICUs of a university hospital. It was designed as a pre- and post-assessment of the intervention group (IG) (N = 27) compared with a control group (CG) (N = 23) to determine the effects of a multifaceted ergonomics intervention program in reducing MSC. The IG (N: 35) received a multifaceted ergonomic intervention program, which was implemented by an ERGO team over an 18 month period. Four ergonomic interventions were planned as follows: individual level interventions such as training; stretching exercises and motivation meetings; administrative intervention such as a daily 10 min stretching exercises break; engineering interventions such as lifting and usage of auxiliary devices. The CG (N:29) did not receive any intervention. Cornell Musculoskeletal Discomfort Questionnaire (CMDQ) was used to assess MSC in both groups. At the start of the intervention, both groups were similar concerning the number of visits to doctors due to MSC, the number of sick leave days, and total CMDQ scores (p > 0.05 for all). Two factor repeated ANOVA measures were performed for between-groups and within-group analyses. The mean of the initial CMSDQ total scores in both groups increased significantly in the 18th month (p < 0.001). However, the interaction effect of group and time (between and within factors) was not significant (p = 0.992). Work-related MSC is a common occupational health problem among nurses. This study showed that individual-level interventions are not likely to succeed in eliminating manual patient lifting by nurses. Our results suggested that interventions without administrative measures might have limited success.


Assuntos
Ergonomia , Unidades de Terapia Intensiva , Doenças Musculoesqueléticas , Doenças Profissionais , Adulto , Feminino , Humanos , Masculino , Doenças Musculoesqueléticas/terapia , Fatores de Risco
18.
Can J Ophthalmol ; 55(3 Suppl 1): 17-21, 2020 06.
Artigo em Inglês | MEDLINE | ID: mdl-32448408

RESUMO

Ergonomics has gained increasing recognition as an integral component of career longevity in ophthalmology. Residents and fellows may encounter unique ergonomic challenges when learning surgical techniques. A systematic review of the literature, specifically looking for recommendations on optimizing ergonomics in the operating room (OR) and articles that explicitly mentioned suggestions for trainees, was conducted. Of the identified 41 pieces of literature, 31 specifically mentioned ergonomics in the OR, 10 discussed vitreoretinal surgery, 2 mentioned strabismus surgery, and 2 described ergonomics in oculoplastics surgeries. Only 9 of the 41 articles explicitly mentioned either residents or fellows. Based on this review, as well as anecdotal experience, recommendations for residents, fellows, and staff ophthalmologists while working in the OR were compiled. To help offset risk for musculoskeletal injury, recommendations related to relaxation, movement, and maintenance of ergonomic focus are proposed. In addition, methods to optimize ergonomics for the patient, surgeon, surgical bed, foot pedals, surgeon's chair, and the microscope are identified. Trainees may be at particular risk for injury owing to their placement at the surgical bed, and the fact that they may be less likely to get set up ergonomically either owing to a lack of awareness and teaching on the subject, or secondary to perceived time pressures in the OR. Ergonomics should ideally be considered across all domains of life, including in the OR, clinic, and office and at home. The earlier proper positioning is adopted and becomes habitual, the less likely potentially career-threatening musculoskeletal disorders will develop.


Assuntos
Ergonomia/métodos , Salas Cirúrgicas/métodos , Procedimentos Cirúrgicos Oftalmológicos/métodos , Humanos , Doenças Musculoesqueléticas/prevenção & controle , Oftalmologistas
19.
Univ. salud ; 22(1): 17-23, ene.-abr. 2020. tab
Artigo em Espanhol | LILACS, COLNAL | ID: biblio-1094575

RESUMO

Introducción: Los desórdenes musculoesqueléticos se asocian entre otros, con la carga física y aspectos organizacionales del trabajo. Objetivo: Determinar la relación entre la carga física, los niveles de estrés y la morbilidad sentida osteomuscular en trabajadores administrativos del sector público de Popayán (Colombia). Materiales y métodos: Estudio cuantitativo, transversal analítico-correlacional. La muestra aleatoria simple fue de 104 trabajadores, los instrumentos de recolección fueron: Evaluación de puesto de trabajo RULA (acrónimo de Rapid Upper Limb Assessment), cuestionario de Maslach y cuestionario nórdico estandarizado (Kuorinka et al., 1987), se realizó análisis uni y bivariado, para la comprobación hipótesis se utilizó el estadístico Chi Cuadrado. Resultados: Se encontró que 76% de los puestos de trabajo requiere investigación con posible necesidad de cambios. El 79% de los trabajadores tuvo un nivel bajo de cansancio y 83% de despersonalización. El dolor más prevalente en los últimos seis meses fue de cuello (51%), seguido de espalda (36%) y hombro (33%). Se encontró correlación estadísticamente significativa entre la carga postural y presencia del dolor muscular (p=0,301). Conclusión: La carga postural aumentada está relacionada con la presencia de dolor de cuello, sin embargo, el dolor no está relacionado con la presencia de estrés laboral.


Introduction: Musculoskeletal disorders are associated with physical and organizational aspects of work, among others. Objective: To determine the relationship between physical load, levels of stress, and musculoskeletal morbidity in administrative workers in the public sector of Popayán (Colombia), between 2016 and 2017. Materials and methods: An analytical-correlational, cross-sectional, quantitative study of a random sample of 104 workers. The data collection instruments were: the Rapid Upper Limb Assessment (RULA), the Maslach Burnout Inventory (MBI) and the Standardized Nordic Questionnaire (Kuorinka et al., 1987). Uni- and bivariate analysis were conducted, as well as a Chi-square to test the hypothesis. Results: It was found that 76% of the workplaces require further research and need changes. 79% of employees experienced low fatigue levels, whereas 83% manifested depersonalization. During the last six months, the most common pains reported were neck pain (51%), followed by back pain (36%) and shoulder pain (33%). There was a statistically significant correlation between postural load and muscle pain (p=0.301). Conclusion: Although an increased postural load is related to neck pain, this pain is not associated with workplace stress.


Assuntos
Adulto , Pessoa de Meia-Idade , Idoso , Carga de Trabalho , Saúde do Trabalhador , Estresse Ocupacional , Ergonomia
20.
Occup Environ Med ; 77(7): 462-469, 2020 07.
Artigo em Inglês | MEDLINE | ID: mdl-32253227

RESUMO

OBJECTIVES: The aim of this clustered, randomised controlled trial was to assess the effectiveness of a lumbopelvic postural feedback device for changing postural behaviour in a group of healthcare workers. We hypothesised that workers exposed to auditory postural feedback would reduce the number of times forward bending posture is adopted at work. METHODS: This was a participant and assessor blinded, randomised, sham-controlled trial with blocked cluster random allocation. We recruited healthcare workers from aged care institutions. Healthcare sites were randomly allocated to the feedback or sham group (SG). A postural monitoring and feedback device was used to monitor and record lumbopelvic forward bending posture, and provided audio feedback whenever the user sustained lumbopelvic forward bending posture that exceeded predefined thresholds. The primary outcome measure was postural behaviour (exceeding thresholds). We used a robust variant of repeated measures mixed-effect model for assessing within-group and between-group differences in postural behaviour. RESULTS: We recruited 19 sites, and 130 healthcare workers participated. There were no within-group changes on the number of times postural threshold was exceeded at 1-week follow-up (feedback group: -0.7, 95% CI -2.61 to 0.72; SG -0.3, -1.65 to 0.98), and no differences (0.05, 95% CI -1.83 to 1.94) between SG and feedback group. CONCLUSIONS: Findings from this trial indicate that audio feedback provided by a postural monitor device did not reduce the number of times healthcare workers exceeded the postural threshold. TRIAL REGISTRATION NUMBER: ACTRN12616000449437.


Assuntos
Retroalimentação Sensorial/fisiologia , Pessoal de Saúde , Postura/fisiologia , Adulto , Ergonomia , Feminino , Humanos , Dor Lombar/prevenção & controle , Região Lombossacral/fisiopatologia , Masculino , Pessoa de Meia-Idade , Monitorização Fisiológica/instrumentação , Nova Zelândia
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