background and objectives: painting workshops are part of the woodwork (carpentry) industry in which despite advances in technology, the work force fulfills most of the roles in the production process. since such manual activities are often performed with awkward postures due to lack of workers’ awareness and inappropriate design of tools and working conditions, ergonomic assessment of work env...

introduction: ergonomics is the science of improvement of the work environment, job and equipment and adapting them to the human capabilities and limitations. observing ergonomic principles of computer application is essential for the computer users. lack of attention to these principles would decrease efficiency and cause irreparable somatic complications. the present study assesses the knowle...

background: most dentists complain of musculoskeletal disorders which can be caused by prolonged static posture, lack of suitable rest and other physical and psychological problems. objective: we evaluated a chair with a new ergonomic design which incorporated forward leaning chest and arm supports. methods: the chair was evaluated in the laboratory during task simulation and emg analysis on 12...

operator's role in industrial control centers takes place in time, which is one of the most important determinants of whether an expected action is going to be successful or not. in certain situations, due to the complex nature of the work, the existing interfaces and already prepared procedures do not meet the dynamic requirements of operator's cognitive demands, making the control tasks unnec...

introduction: brain injury is an important cause of morbidity and mortality worldwide and so far, there has been no absolute treatment for the damaged brain tissue. using human stem cells with self-assembling scaffolds can be a promising method for treatment of traumatic brain injury. materials and methods: human meningioma stem cells were isolated, cultured and then expanded into in vitro cond...

background: dairy farming work involves frequent use of poor postures. these postures may increase the risk of developing musculoskeletal disorders among dairy workers. objective: to assess postural load during performance of various tasks related to dairy farming. methods: this cross-sectional study was conducted on a dairy farm in iran. in order to assess postural load, tasks related to dairy...

background: musculoskeletal disorders (msds) are among important health problems in working population. because of performing difficult physical activities, hand-woven shoe-sole makers are at risk of developing various types of msds. objective: to determine the prevalence of musculoskeletal symptoms in different body areas of hand-woven shoe-sole makers, assess workers′ postures and workstation...

background: in most armies, clothes, equipment and weapons are designed according to the physical characteristics and anthropometric data of soldiers. objective: to study the anthropometric characteristics of iranian army force and their changes over recent years. methods: 12 635 iranian military personnel aged between 18 and 30 years with tenure of <10 years who were normally engaged in educat...

background: many workers suffer from low-back pain. type and severity of spinal complaints have relationship with work load. lack of adherence to ergonomics recommendations among the important causes of low-back pain. objective: to assess the effect of 3 ergonomics training programs on the prevalence of lowback pain among workers of an iranian automobile factory. methods: in a parallel-design 4...

background: textile factory is among the most common manufacturing industries that has higher rate of work-related injuries. knowing the associated factors of work-related injuries can be a critical step for improving the working condition of workers in the sector. objective: to assess the major determinants of occupational injury among workers in kombolcha textile factory, north-east ethiopia....