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Wyświetlanie 1-15 z 49
Tytuł:
Ergonomics Hazards Analysis of Linemen’s Power Line Fixing Work in China
Autorzy:
Yu, M.
Sun, L.
Du, J.
Wu, F.
Powiązania:
https://bibliotekanauki.pl/articles/91236.pdf
Data publikacji:
2009
Wydawca:
Centralny Instytut Ochrony Pracy
Tematy:
ergonomics
hazards
linemen
musculoskeletal disorders
Opis:
This study used qualitative and quantitative methods, such as OWAS (Ovako working posture analysis system) and behavior observation, to analyze musculoskeletal disorder (MSD) risk factors of power line fixing work in China. Video-based sampling was used to record and analyze the frequency and posture of on-pole activities. Those key subtasks showed ergonomics characteristics of on-pole fixing tasks. Insulator-fixing was the longest subtask (33% of total working time). Bar-installing was the second longest (26% of total working time). It was evident that bar-installing and insulator-fixing were full of hazardous risks. The action categories of the 2 subtasks were higher than of the other ones. The 2 subtasks were also time-consuming, difficult and induced MSDs. Assistant linemen faced more hazardous factors than chief linemen.
Źródło:
International Journal of Occupational Safety and Ergonomics; 2009, 15, 3; 309-317
1080-3548
Pojawia się w:
International Journal of Occupational Safety and Ergonomics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Musculoskeletal Problems Among Workers of an Iranian Sugar-Producing Factory
Autorzy:
Choobineh, A.
Tabatabaee, S. H.
Behzadi, M.
Powiązania:
https://bibliotekanauki.pl/articles/91238.pdf
Data publikacji:
2009
Wydawca:
Centralny Instytut Ochrony Pracy
Tematy:
musculoskeletal disorders
QEC
sugar industry
Opis:
Background. Assessment of the level of exposure to work-related musculoskeletal disorders (WMSDs) risk factors can be an appropriate basis for planning and implementing an interventional ergonomics program in the workplace. This study was conducted among workers of an Iranian sugar-producing factory to determine WMSD prevalence rate among production workers and to assess the level of exposure to WMSD risks. Materials and methods. In total, 116 workers were randomly selected from production workshops and included in the study. The Nordic musculoskeletal questionnaire was used to study prevalence of WMSDs and a quick exposure check (QEC) was used to assess physical exposure to risks. Required data were videotaped. Results. Most workers (87.1%) suffered from some kind of MSD symptoms during the 12 months prior to the study. The highest prevalence was reported in knees (58.6%) and the lower back (54.3%). In 99.1% of the workers, the level exposure to MSD risks established with QEC was high and very high. Awkward postures, manual material handling, and long hours of standing were the major ergonomics problems. Conclusion. There was a here was a high rate of WMSDs in this factory. The level of exposure to WMSD risk factors was high and corrective measures for reducing risk level were essential.
Źródło:
International Journal of Occupational Safety and Ergonomics; 2009, 15, 4; 419-424
1080-3548
Pojawia się w:
International Journal of Occupational Safety and Ergonomics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Full-Time Homemakers: Workers Who Cannot “Go Home and Relax”
Autorzy:
Habib, R. R.
Fathallah, F. A.
Messing, K.
Powiązania:
https://bibliotekanauki.pl/articles/91141.pdf
Data publikacji:
2010
Wydawca:
Centralny Instytut Ochrony Pracy
Tematy:
homemakers
housework
paid work
musculoskeletal disorders
Opis:
This paper examined how musculoskeletal disorders (MSDs) of female homemakers were studied in the literature. It also presented preliminary findings from field observations of housework and fulltime homemakers in urban settings. PubMed, Ergonomics Abstracts, Sociofile, and PsycINFO databases were used in the literature search. The review focused on comparing demands of housework and paid work. Also, exposure factors found in studies of various occupations were compared with the results of field observations of housework in 4 homes in Beirut, Lebanon. Few studies systematically examined associations between MSDs and risk factors in housework. Some well-known risk factors for MSDs were identified in the Beirut homes; however, other unique factors were noted. Housework activities expose homemakers to known risk factors for MSDs, which calls for further studies to identify appropriate intervention and prevention strategies.
Źródło:
International Journal of Occupational Safety and Ergonomics; 2010, 16, 1; 113-128
1080-3548
Pojawia się w:
International Journal of Occupational Safety and Ergonomics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
An Ergonomics Study on the Prevalence of Musculoskeletal Disorders Among Indian Bus Conductors
Autorzy:
Gangopadhyay, S.
Dev, S.
Das, T.
Ghoshal, G.
Ara, T.
Powiązania:
https://bibliotekanauki.pl/articles/90847.pdf
Data publikacji:
2012
Wydawca:
Centralny Instytut Ochrony Pracy
Tematy:
bus conductor
musculoskeletal disorders
work study
India
Opis:
This study was undertaken among 100 randomly selected bus conductors from 2 routes. A questionnaire study based on the modified Nordic musculoskeletal questionnaire, assessment of physical and physiological parameters, analysis of working postures and a detailed work study were performed. The analysis revealed that conductors had a work schedule of 16–18 h each day; the duration of work could vary from 15 to 20 days at a stretch. Discomfort leading to musculoskeletal disorders mainly affecting the leg (93.3%), knee (83.3%), shoulder (80%) and back areas (56.7%) had the highest 12-month prevalence rates and increased day by day.The conductors also suffered from extreme physiological stress due to prolonged working hours in hazardous standing posture conditions, excessive work pressure and minimum rest between trips. Consequently, all those factors affected their health and work performance.
Źródło:
International Journal of Occupational Safety and Ergonomics; 2012, 18, 4; 521-530
1080-3548
Pojawia się w:
International Journal of Occupational Safety and Ergonomics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Functional Limitations and Occupational Issues in Obesity: A Review
Autorzy:
Capodaglio, P.
Castelnuovo, G.
Brunani, A.
Vismara, L.
Villa, V.
Capodaglio, E. M.
Powiązania:
https://bibliotekanauki.pl/articles/90046.pdf
Data publikacji:
2010
Wydawca:
Centralny Instytut Ochrony Pracy
Tematy:
physical work capacity
obesity
functional limitations
musculoskeletal disorders
Opis:
Four hundred million adults are obese. Such a pandemic involves people of working age. Excess weight imposes abnormal mechanics on body movements, which could account for the high incidence of musculoskeletal disorders in these subjects. This article reviews the physiological and biomechanical causes of the reduced work capacity in obese workers and speculates on the relationships between occupational exposure and obesity. The reduction in work capacity appears to be due to the following factors: reduced spine flexibility, decay in endurance, limited range of movement of the major joints, reduced muscle strength and capacity to hold prolonged fixed postures, impaired respiratory capacity and visual control. Work capacity in morbidly obese workers should always be evaluated to match specific job demands. Due to the relationship between obesity, musculoskeletal disorders, disability and health costs, prevention of obesity and ergonomic interventions on-site are a priority in the work place.
Źródło:
International Journal of Occupational Safety and Ergonomics; 2010, 16, 4; 507-523
1080-3548
Pojawia się w:
International Journal of Occupational Safety and Ergonomics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Musculoskeletal Symptoms in Workers
Autorzy:
Ghasemkhani, M.
Mahmudi, E.
Jabbari, H.
Powiązania:
https://bibliotekanauki.pl/articles/90334.pdf
Data publikacji:
2008
Wydawca:
Centralny Instytut Ochrony Pracy
Tematy:
musculoskeletal disorders
prevalence
packing
repetitive movements
awkward postures
Opis:
Self-report measures of musculoskeletal discomfort are a widely used and generally accepted risk factor for musculoskeletal disorders in epidemiologic research. The aim of this study was to investigate the prevalence of musculoskeletal symptoms in packing workers. A cross-sectional study of 75 workers was carried out using a modified Nordic questionnaire. Prevalence was determined with the percentage of positive responses to questions on musculoskeletal symptoms. Odds ratios and 95% confidence intervals were the measures of association between prevalent musculoskeletal symptoms and demographic factors; they were determined with logistic regression. Most musculoskeletal symptoms in workers were from the low back (44.0%), shoulders (33.3%) and neck (32.0%). Years worked were strongly significantly associated with musculoskeletal symptoms and pain in the neck, shoulders and wrists/hands, P < .001–.050. Hazards related to repetitive movements and discomfort postures could be reduced with stretching exercises, rotation schedules and through new engineering solutions.
Źródło:
International Journal of Occupational Safety and Ergonomics; 2008, 14, 4; 455--462
1080-3548
Pojawia się w:
International Journal of Occupational Safety and Ergonomics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Motivating Ergonomic Computer Workstation Setup: Sometimes Training Is Not Enough
Autorzy:
Sigurdsson, S. O.
Artnak, M.
Needham, M.
Wirth, O.
Silverman, K.
Powiązania:
https://bibliotekanauki.pl/articles/90601.pdf
Data publikacji:
2012
Wydawca:
Centralny Instytut Ochrony Pracy
Tematy:
computer workstations
incentives
injury prevention
musculoskeletal disorders
training
Opis:
Musculoskeletal disorders lead to pain and suffering and result in high costs to industry. There is evidence to suggest that whereas conventional ergonomics training programs result in knowledge gains, they may not necessarily translate to changes in behavior. There were 11 participants in an ergonomics training program, and a subsample of participants received a motivational intervention in the form of incentives for correct workstation setup. Training did not yield any changes in ergonomics measures for any participant. Incentives resulted in marked and durable changes in targeted workstation measures. The data suggest that improving worker knowledge about ergonomically correct workstation setup does not necessarily lead to correct workstation setup, and that motivational interventions may be needed to achieve lasting behavior change.
Źródło:
International Journal of Occupational Safety and Ergonomics; 2012, 18, 1; 27-33
1080-3548
Pojawia się w:
International Journal of Occupational Safety and Ergonomics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Validity and Reliability of a Job Factors Questionnaire Related to the Work Tasks of Physical Therapists
Autorzy:
Shimabukuro, V. G. P.
Alexandre, N. M.C.
Coluci, M.Z.O.
Rosecrance, J. C.
Gallani, M. C. J. B.
Powiązania:
https://bibliotekanauki.pl/articles/91050.pdf
Data publikacji:
2012
Wydawca:
Centralny Instytut Ochrony Pracy
Tematy:
work-related musculoskeletal disorders (WMDs)
job factors
ergonomics
Opis:
Physical therapists engage in work tasks that expose them to occupational risk factors related to musculoskeletal disorders. Due to the gap in the literature on instruments focused on those workers, this study adapted a job factors questionnaire to physical therapists, and assessed its psychometric properties. The questionnaire was adapted and its content validity was established. The psychometric properties were evaluated among 142 physical therapists. Reliability was verified using the temporal-stability design and internal consistency. Construct validity was assessed with the known-groups technique. Test–retest results demonstrated intraclass correlation coefficients between .82 and .90 (p < .001). Cronbach’s α of .91 verified the reliability of the questionnaire. The known-groups technique demonstrated a statistically significant difference on the scores of the items when physical therapists were compared to office workers. The results indicated that the adapted questionnaire had acceptable psychometric properties for assessing problematic job factors among physical therapists working in hospitals.
Źródło:
International Journal of Occupational Safety and Ergonomics; 2012, 18, 1; 15-26
1080-3548
Pojawia się w:
International Journal of Occupational Safety and Ergonomics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Profilaktyka dolegliwości mięśniowo-szkieletowych związanych z wykonywaną pracą - promocja aktywności fizycznej w miejscu pracy. Cz. 1
Preventing work-related musculoskeletal disorders: physical activity at work. Part. 1
Autorzy:
Malińska, M.
Powiązania:
https://bibliotekanauki.pl/articles/181067.pdf
Data publikacji:
2014
Wydawca:
Centralny Instytut Ochrony Pracy
Tematy:
dolegliwości mięśniowo-szkieletowe
ćwiczenia
profilaktyka
musculoskeletal disorders
exercises
prevention
Opis:
W niniejszym artykule opisano problem dolegliwości mięśniowo-szkieletowych związanych z wykonywaną pracą oraz przedstawiono zalecenia dotyczące profilaktyki tych dolegliwości w zakresie aktywności fizycznej. Zaprezentowano również programy promujące aktywność fizyczną w miejscu pracy oraz omówiono ich skuteczność.
This article discusses work-related musculoskeletal disorders and makes recommendations regarding preventing those disorders with physical activity. It also presents information of programs promoting physical activity at work as well as their effectiveness.
Źródło:
Bezpieczeństwo Pracy : nauka i praktyka; 2014, 3; 25-29
0137-7043
Pojawia się w:
Bezpieczeństwo Pracy : nauka i praktyka
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Dolegliwości układu mięśniowo-szkieletowego u pracowników zatrudnionych w budownictwie
Musculoskelelal disorders of construction workers
Autorzy:
Malińska, M.
Bugajska, J.
Powiązania:
https://bibliotekanauki.pl/articles/181148.pdf
Data publikacji:
2016
Wydawca:
Centralny Instytut Ochrony Pracy
Tematy:
dolegliwości mięśniowo-szkieletowe
pracownicy budownictwa
musculoskeletal disorders
construction workers
Opis:
W artykule przedstawiono wyniki badań dotyczących częstości występowania oraz nasilenia dolegliwości bólowych ze strony układu mięśniowo-szkieletowego u pracowników zatrudnionych w budownictwie. Badania kwestionariuszowe przeprowadzono metodą sondażu diagnostycznego. W badaniach wzięło udział 600 mężczyzn w wieku 20-65 lat (34,9±13,7) zatrudnionych w budownictwie. Ocena dolegliwości mięśniowo-szkieletowych została przeprowadzona przy pomocy kwestionariusza NMQ (Nordic Musculoskeletal Questionnaire) uzupełnionego o skalę VAS. Najczęściej zgłaszanymi dolegliwościami układu mięśniowo-szkieletowego były: bóle kręgosłupa w odcinku lędźwiowo-krzyżowym i szyjnym kręgosłupa, stawów ramiennych oraz odcinka piersiowego kręgosłupa. Istotnie statystycznie częściej na występowanie tych dolegliwości uskarżali się pracownicy 50+ w porównaniu z pracownikami młodymi (p<0:05).
This article presents the results of research on the prelevance and intensity of musculoskeletal pain in construction workers. The questionnaire study was based on a diagnostic survey. The study involved 600 men aged 20-65 years (34 9 ± 13.7) employed in the construction industry. Musculoskeletal disorders were assessed with the Nordic Musculoskeletal Ouestionnaire (NMQ) and the VAS scale. Low back, neck, shoulder and upper back pain were the most frequent musculoskeletal disorders m construction workers. Musculoskeletal disorders were statistically significantly more frequently observed m 50+ workers than in young workers (p < 0.05).
Źródło:
Bezpieczeństwo Pracy : nauka i praktyka; 2016, 8; 8-11
0137-7043
Pojawia się w:
Bezpieczeństwo Pracy : nauka i praktyka
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A Comparative Assessment of the Impact of Different Occupations on Workers’ Static Musculoskeletal Fitness
Autorzy:
Chandra, A. M.
Ghosh, S.
Iqbal, R.
Sadhu, N.
Powiązania:
https://bibliotekanauki.pl/articles/90250.pdf
Data publikacji:
2007
Wydawca:
Centralny Instytut Ochrony Pracy
Tematy:
occupations
repetitive movements
static muscular forces
musculoskeletal disorders
dynamometry
Opis:
An ergonomic assessment of the involvement of static muscular forces like back strength, grip strength and pinch strength in different occupations was made. A study was conducted on 45 normal adult males (15 subjects per group) which included video display terminal (VDT) operators, industrial workers and safety inspectors. Their maximum back strength, handgrip strength and pinch strength were measured with dynamometers. The observed values of back strength were significantly lower in VDT operators while significantly higher in safety inspectors and moderate in industrial workers. The values of grip strength and pinch strength of all sample groups were more or less similar. The findings clearly indicate that static muscular strength varies significantly in different occupations. Heavy static muscular load might lead to an accumulation of metabolic waste and toxins on the back resulting in lower back strength in VDT operators and industrial workers.
Źródło:
International Journal of Occupational Safety and Ergonomics; 2007, 13, 3; 271-278
1080-3548
Pojawia się w:
International Journal of Occupational Safety and Ergonomics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Ocena obciążenia układu mięśniowo-szkieletowego i ryzyka rozwoju dolegliwości kończyn górnych
Evaluation of musculoskeletal load andrisk of developing upper limb disorders
Autorzy:
Roman-Liu, D.
Powiązania:
https://bibliotekanauki.pl/articles/179439.pdf
Data publikacji:
2012
Wydawca:
Centralny Instytut Ochrony Pracy
Tematy:
dolegliwości mięśniowo-szkieletowe
obciążenie układu mięśniowo-szkieletowego
musculoskeletal disorders
musculoskeletal system load
Opis:
W artykule przedstawiono główne czynniki biomechaniczne determinujące obciążenie kończyn górnych podczas wykonywania pracy, ze szczególnym uwzględnieniem prac powtarzalnych. Zarysowano także zasady oceny obciążenia mięśniowo-szkieletowego i ryzyka rozwoju dolegliwości mięśniowo-szkieletowych z zaprezentowaniem głównych metod stosowanych do tego typu oceny.
The article presents the main biomechanical factors determining the load of upper limbs when working, with particular focus on repetitive tasks. The principles for evaluating musculoskeletal load and the risk of developing musculoskeletal disorders are described; the leading methods relevant to this type of evaluation are presented.
Źródło:
Bezpieczeństwo Pracy : nauka i praktyka; 2012, 1; 8-11
0137-7043
Pojawia się w:
Bezpieczeństwo Pracy : nauka i praktyka
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Examining RULA`s Postural Scoring System With Selected Physiological and Psychophysiological Measures
Autorzy:
Fountain, L. J. K.
Powiązania:
https://bibliotekanauki.pl/articles/89828.pdf
Data publikacji:
2003
Wydawca:
Centralny Instytut Ochrony Pracy
Tematy:
RULA
upper limb disorders
musculoskeletal disorders
working posture
EMG
perceived discomfort
job attitude
Opis:
The Rapid Upper Limb Assessment (RULA) survey is a posture-sampling tool used specifically to examine the level of risk associated with upper limb disorders of individual workers. This paper examines the relationship between RULA’s postural scoring system and measures of surface electromyography (EMG), self-reports of discomfort, and job attitude questionnaires. Twenty participants each performed a 30-min typing task on a computer in 3 working postures based on RULA’s scoring system. A statistically significant difference was found only in perceived discomfort. The perceived discomfort results demonstrated that RULA was able to identify “high risk” postures. The next question we need to ask is, does perceived discomfort result in tissue damage, or does tissue damage yield discomfort?
Źródło:
International Journal of Occupational Safety and Ergonomics; 2003, 9, 4; 383-392
1080-3548
Pojawia się w:
International Journal of Occupational Safety and Ergonomics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Ocena ryzyka układu mięśniowo-szkieletowego mechanika pojazdów samochodowych
Risk assessment of musculoskeletal system ailments arising from exposure of motor vehicles mechanics
Autorzy:
Rut, J
Pytel, A.
Powiązania:
https://bibliotekanauki.pl/articles/179605.pdf
Data publikacji:
2014
Wydawca:
Centralny Instytut Ochrony Pracy
Tematy:
ryzyko
narażenie
dolegliwości mięśniowo-szkieletowe
bezpieczeństwo
risk
exposure
musculoskeletal disorders
safety
Opis:
W artykule przedstawiono ocenę obciążenia układu ruchu osób wykonujących pracę mechanika pojazdów samochodowych. Czynności wykonywane w trakcie pracy wiążą się z możliwością zaistnienia szeregu zagrożeń, a ponadto wymagają wiele wysiłku. Na podstawie badań przeprowadzonych w zakładach mechaniki samochodowej przedstawiono wyniki analizy obciążenia układu mięśniowo-szkieletowego. Analizy, wykonane pod względem obciążeń i ciężkości pracy mechanika pojazdów samochodowych dostarczają wskazówek do działań, zmierzających do redukcji ryzyka związanego z dolegliwościami mięśniowo-szkieletowymi.
The paper presents an assessment of the traffic load for employees working with mechanics vehicles. Actions performed during such work are connected with the possibility of the occurrence of a number of risks and require a lot of effort. On the basis of studies carried out in factories of automobile mechanics the article presents the results of the analysis of the load of their musculoskeletal system. The analysis, in terms of work load and severity of motor vehicles mechanics, provides guidance to the efforts in order to reduce the risks associated with the occurrence of musculoskeletal disorders.
Źródło:
Bezpieczeństwo Pracy : nauka i praktyka; 2014, 7; 8-11
0137-7043
Pojawia się w:
Bezpieczeństwo Pracy : nauka i praktyka
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Variability of Musculoskeletal Strain on Dentists: An Electromyographic and Goniometric Study
Autorzy:
Blanc, D.
Farre, P.
Hamel, O.
Powiązania:
https://bibliotekanauki.pl/articles/90138.pdf
Data publikacji:
2014
Wydawca:
Centralny Instytut Ochrony Pracy
Tematy:
dental workstation
electromyography
goniometry
musculoskeletal disorders
elektromiografia
zaburzenia układu mięśniowo-szkieletowego
stomatolog
Opis:
Introduction. Dentists and hygienists are strongly affected by musculoskeletal disorders (MSDs). As workstation concepts are supported by subjective arguments only, the aim of this study was to use objective measurements to compare the variability of strain in various concepts: a dental chair equipped with a cart or an over-the-patient delivery system without an assistant, and Dr Daryl Beach’s concept with an assistant. Methods. Goniometric and electromyographic recordings were made on 8 subjects, during a scaling operation. The electrical activity of their trapezius and lumbar muscles was compared, as were their cervical and lumbar ranges of motion. Results. The results showed that there was a wide variability depending on the workstation. However, the Beach concept tended to reduce physical strain on most parameters: duration of left lumbar muscle activity (2% compared to 15% of time spent in >10% maximal voluntary contraction, MVC), time spent in cervical side bending (4% compared to 30%), cervical flexion of >20° (9% compared to 40%), and left trapezius activity (9% of time spent >10% MVC compared to 28%). Conclusion. Practitioners and students should adjust their workstations to reduce the prevalence of MSDs.
Źródło:
International Journal of Occupational Safety and Ergonomics; 2014, 20, 2; 295-307
1080-3548
Pojawia się w:
International Journal of Occupational Safety and Ergonomics
Dostawca treści:
Biblioteka Nauki
Artykuł
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