Upper extremity muscular strength in wrist‐twisting tasks: Model approach towards task design

Majumder, Joydeep; Kotadiya, Sanjay; Sharma, Lokesh Kumar; Kumar, Sunil

doi:10.1002/hfm.20820

Cited by 3 publications

(1 citation statement)

References 36 publications

(26 reference statements)

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“…Pushing and pulling tasks are common at workplaces to replace carrying tasks. These tasks could lead to development of musculoskeletal disorders presumably due to frequent forceful exertion on the musculoskeletal system (Ciriello, Snook, Buck, & Wilkinson, 1990;Kumar, 2001; Majumder, Kotadiya, Sharma, & Kumar, 2018;Mital, Nicholson, & Ayuob, 1997). MET modeling for pushing and pulling tasks is essential in realizing the developing of muscle fatigue.…”

Section: Introductionmentioning

confidence: 99%

Maximum endurance time modeling for push and pull tasks considering gender and handle height

Liu

2020

Hum Ftrs & Erg Mfg Svc

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The strengths of both push and pull using both hands at handle heights of 75, 90, and 135 cm were measured for 11 female and 8 male participants. In addition, simulated push and pull tasks were performed on one of the three heights as in the strength measurements. In these tasks, the participants either pushed or pulled a swing suspended with one of the two loads (32.5 and 42.5 kg) until they could no longer do so. Then, the strength of push or pull was measured again. The participants also reported bodily discomfort on their body parts on a CR-10 rating scale. It was found that hands and leading leg had the highest CR-10 scores among the body parts and were the bottleneck body parts for the push and pull tasks, respectively. Models of maximum endurance time incorporating gender and handle height, in addition to force ratio, were developed. These models may be adopted in predicting the endurance time in job design concerning work/rest arrangement.

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Section: Introductionmentioning

confidence: 99%

Maximum endurance time modeling for push and pull tasks considering gender and handle height

Liu

2020

Hum Ftrs & Erg Mfg Svc

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Análisis del impacto ergonómico asociado a la manipulación de cargas en trabajadores de equipos de perforación del sector petrolero

Padilla¹,

Landazabal²,

Marrugo³

2020

nova

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El mundo actual y las tendencias de universalización de procesos que se dan a través de la globalización, la apertura de mercados, la internacionalización, la competencia y todas las nuevas situaciones que el desarrollo empresarial trae día a día hacen que los procesos empresariales deban ser más eficientes y eficaces, con lo cual existen riesgos asociados con las actividades que implican un sobre esfuerzo físico y por ende una posible lesión osteomuscular. Lo anterior justifica el objetivo de analizar las relaciones existentes entre las tareas de impacto negativo y las variables ergonómicas asociadas a la manipulación de cargas, a través del uso de las herramientas de evaluación REBA y RULA de manera que se identifiquen los factores de riesgo por parte de los trabajadores de Drilling & Well Services, especialmente cuñeros y encuelladores de una empresa petrolera. La investigación es de tipo descriptivo, pues representa un análisis experimental que tiene como objetivo establecer las condiciones iniciales y determinar la manera como se manifiesta una determinada circunstancia particular identificando los rasgos característicos de la operación. Se evidenciaron actividades como el levantar y posicionar la cuña, trasladar la tubería de perforación, soltar o ajustar las llaves de potencia y ajustar los brazos de los elevadores para cerrarlos y con ello asegurar la tubería de perforación, como las acciones de riesgo más importantes en las operaciones de los cuñeros y operadores.

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Musculoskeletal disorders and the affecting factors among teachers: An example from Turkey

Çelikkalp

Irmak

Aydın

et al. 2022

WOR

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BACKGROUND: Musculoskeletal disorders are important health problems due to their high incidence as well as their effects on the society and individuals. OBJECTIVE: The aim of this study was to determine the musculoskeletal disorders experienced by teachers, and to evaluate their relationship with certain factors causing musculoskeletal disorders. METHODS: The cross-sectional study was carried out on 416 teachers working in a provincial center using the face-to-face interview method. RESULTS: Per this 64.9% of the teachers had musculoskeletal disorders, and the pain was mostly localized in the neck region with 55.5% . The work stress scores of the teachers were found to have a positive and significant correlation with musculoskeletal disorder scores and a negative significant correlation with the satisfaction with life scores (p≤0.001). In multiple regression analysis, the time spent sitting at a desk, time spent working in a standing position, time devoted to housework, shoe preference, work stress and life satisfaction were determined as effective predictors on musculoskeletal complaints. The model that was developed explained 22.5% of the variance (R2 = 22.5; p≤0.001). CONCLUSIONS: Due to the prevalence of musculoskeletal disorders among teachers, health-promoting actions are needed in order to raise the awareness of both administrators and teachers in improving working conditions as well as preventing musculoskeletal disorders.

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Upper extremity muscular strength in wrist‐twisting tasks: Model approach towards task design

Cited by 3 publications

References 36 publications

Maximum endurance time modeling for push and pull tasks considering gender and handle height

Maximum endurance time modeling for push and pull tasks considering gender and handle height

Análisis del impacto ergonómico asociado a la manipulación de cargas en trabajadores de equipos de perforación del sector petrolero

Musculoskeletal disorders and the affecting factors among teachers: An example from Turkey

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