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Wyświetlanie 1-15 z 22
Tytuł:
Interaction of Physical and Mental Work
Autorzy:
Singh, S.
Aghazadeh, F.
Ray, T. G.
Powiązania:
https://bibliotekanauki.pl/articles/90541.pdf
Data publikacji:
2002
Wydawca:
Centralny Instytut Ochrony Pracy
Tematy:
physical work
mental work
psychophysical methods
acceptable load limit
fatigue
praca a choroby
praca mięśni
praca umysłowa
obciążenie pracą umysłową
obciążenie fizyczne
zmęczenie
zmęczenie fizyczne
Opis:
The objective of the research was to determine the effect of mental load on the physical capacity of an individual. An experiment involving 9 combinations of lifting tasks, 1 lowering task, and 3 treadmill tasks was conducted. Heart rate was measured and maximum acceptable weight of lift was determined using the psychophysical method. A simple multiplication task was used as the mental load. The output variables were determined with and without the mental task. The results indicate that the individual’s physical capacity decreased with the mental task while lifting from floor to knuckle and shoulder to reach lifting heights.
Źródło:
International Journal of Occupational Safety and Ergonomics; 2002, 8, 4; 451-463
1080-3548
Pojawia się w:
International Journal of Occupational Safety and Ergonomics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Occupational Medicine - Its Contribution to Protection and Promotion of Health at Work
Autorzy:
Scheuch, K.
Haufe, E.
Khan, A.
Powiązania:
https://bibliotekanauki.pl/articles/91130.pdf
Data publikacji:
2001
Wydawca:
Centralny Instytut Ochrony Pracy
Tematy:
occupational medicine
health
work
future
medycyna pracy
zdrowie
praca
Opis:
This article deals with the special demands on occupational medicine due to the changes of work and of tasks at workplaces. Conclusions for research in occupational medicine are drawn from these processes. They are discussed on the basis on an analysis of literature from the years 1980–1998. Focus of future research in the field of occupational medicine is developed by taking international tendencies, the interdisciplinary setting of occupational medicine, and the close relations between science and practice into consideration.
Źródło:
International Journal of Occupational Safety and Ergonomics; 2001, 7, 4; 527-541
1080-3548
Pojawia się w:
International Journal of Occupational Safety and Ergonomics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Can Nurses Be Employed in 12-Hour Shift Systems?
Autorzy:
Makowiec-Dąbrowska, T.
Krawczyk-Adamus, P.
Sprusińska, E.
Jóźwiak, Z. W.
Powiązania:
https://bibliotekanauki.pl/articles/90416.pdf
Data publikacji:
2000
Wydawca:
Centralny Instytut Ochrony Pracy
Tematy:
shift work
12-hr work system
Physical Workload (PWL)
work stress
praca zmianowa
stres w pracy
obciążenie fizyczne
Opis:
Nurses are often obliged to work in a 12-hr shift work system. We have decided to check whether such a working system constitutes an excessive load for nurses. On the basis of a questionnaire survey among nurses working in an 8-hr daytime shift system (169 nurses) and in a 12-hr shift (536 nurses), the amount of physical workload, work stress, and after-work activities were compared. Data analysis has shown that a 12-hr shift system is characterized by less significant physical workload but greater mental load. The nurses working in a 2-shift system were more tired after work, but they could spend more time on leisure activities and do housework. The data suggest that there are no significant contraindications for nurses to work in a 2-shift system.
Źródło:
International Journal of Occupational Safety and Ergonomics; 2000, 6, 3; 393-403
1080-3548
Pojawia się w:
International Journal of Occupational Safety and Ergonomics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The Relationship Between Shift Work Schedules and Spillover in a Sample of Nurses
Autorzy:
Kunst, J. R.
Lrset, G. K.
Hosry, D.
Bjorvatn, B.
Moen, B. E.
Magerry, N.
Pallesen, S.
Powiązania:
https://bibliotekanauki.pl/articles/90710.pdf
Data publikacji:
2014
Wydawca:
Centralny Instytut Ochrony Pracy
Tematy:
work–family spillover
nurse
strain
stress
rotating shift
shift work
personel pielęgniarski
stres
praca zmianowa
obciążenie
Opis:
The aim of the present study was to estimate spillover effects between the work and the family sphere in a sample of nurses (N = 2058). Hierarchical regression analyses investigated whether shift work schedules were associated with negative or positive spillover, both from family to work and vice versa, controlling for demographic factors, job demands and decision latitude. With daytime work as a reference group, all types of shift work (day and evening shift, night shift only and rotating 3 shift) were associated with higher negative work–to–family spillover.Night work was associated with significantly less negative family–to–work spillover. None of the different shift work schedules were related to any type of positive spillover. The results indicate that working outside of daytime hours is less compatible with workers’ family lives, compared to working ordinary day shifts. On the other hand, working night shifts only was associated with reduced negative family–to–work spillover.
Źródło:
International Journal of Occupational Safety and Ergonomics; 2014, 20, 1; 139-147
1080-3548
Pojawia się w:
International Journal of Occupational Safety and Ergonomics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Observation Procedures Characterizing Occupational Physical Activities: Critical Review
Autorzy:
Denis, D.
Lortie, M.
Rossignol, M.
Powiązania:
https://bibliotekanauki.pl/articles/89974.pdf
Data publikacji:
2000
Wydawca:
Centralny Instytut Ochrony Pracy
Tematy:
physical work
observation procedures
reliability
validity
observer training
obserwacja
praca fizyczna
warunki pracy
Opis:
The first objective of this paper is to compare the observation procedures proposed to characterize physical work. The second objective is to examine the following 3 methodological issues: reliability, observer training, and internal validity. Seventy-two papers were reviewed, 38 of which proposed a new or modified observation grid. The observation variables identified were broken down into 7 categories as follows: posture, exertion, load handled, work environment, use of feet, use of hands, and activities or tasks performed. The review revealed the variability of existing procedures. The examination of methodological issues showed that observation data can be reliable and can present an adequate internal validity. However, little information about the conditions necessary to achieve good reliability was available.
Źródło:
International Journal of Occupational Safety and Ergonomics; 2000, 6, 4; 463-491
1080-3548
Pojawia się w:
International Journal of Occupational Safety and Ergonomics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Circadian Rhythm of Heart Rate, Urinary Cortisol Excretion, and Sleep in Civil Air Traffic Controllers
Autorzy:
Zużewicz, K.
Kwarecki, K.
Waterhouse, J.
Powiązania:
https://bibliotekanauki.pl/articles/90437.pdf
Data publikacji:
2000
Wydawca:
Centralny Instytut Ochrony Pracy
Tematy:
heart rate
cortisol
sleep disorders
circadian rhythm
shift work
tętno
zaburzenia snu
praca zmianowa
Opis:
The examination of Air Traffic Controllers (ATCs) from the Warsaw Airport (Poland) included 24-hr ECG monitoring. The participants were 10 civil ATCs, 9 males and 1 woman. The study was carried out on a group of 19 ATCs during their duty periods, 14 of them working 12-hr shifts and 5 performing 24-hr duties. The participants collected urine every 4 hrs, and cortisol concentration was determined. Further, the survey included the quality and duration of sleep, and subjective fatigue in the 62 participants. In ATCs, shift work modifies natural rhythms of the circulatory system and decreases the ability for intensified mental work at night. In consequence ATCs experience frequent sleep disorders.
Źródło:
International Journal of Occupational Safety and Ergonomics; 2000, 6, 3; 383-392
1080-3548
Pojawia się w:
International Journal of Occupational Safety and Ergonomics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Working and Health Conditions of Italian Air Traffic Controllers
Autorzy:
Costa, G.
Powiązania:
https://bibliotekanauki.pl/articles/90974.pdf
Data publikacji:
2000
Wydawca:
Centralny Instytut Ochrony Pracy
Tematy:
air traffic control
shift work
health
personal characteristics
kontrola ruchu lotniczego
praca zmianowa
zdrowie
Opis:
The paper summarises some studies carried out in recent years on Italian air traffic controllers. Work stress appeared related mainly to mental charge, aggravated by time pressure and high responsibility. Shiftwork was not considered highly stressful, thanks to the good shift schedules adopted. The disorders most frequently complained of had a prevalent psychosomatic component, concerning the digestive, neuropsychic, and cardiovascular systems. However, their prevalence was lower than, or similar to, that recorded in general population. The controllers engaged in regional centres showed slightly worse health conditions than those engaged in airport towers; the same was found in the radar controllers compared to those working in non-radar positions.
Źródło:
International Journal of Occupational Safety and Ergonomics; 2000, 6, 3; 365-382
1080-3548
Pojawia się w:
International Journal of Occupational Safety and Ergonomics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Upper Limb Load as a Function of Repetitive Task Parameters: Part 1 - A Model of Upper Limb Load
Autorzy:
Roman-Liu, D.
Powiązania:
https://bibliotekanauki.pl/articles/90123.pdf
Data publikacji:
2005
Wydawca:
Centralny Instytut Ochrony Pracy
Tematy:
external load
upper limb
handgrip force
cycle work
repetitive task parameters
praca powtarzalna
obciążenie fizyczne
kończyna górna
siła mięśni
obciążenie pracą
Opis:
The aim of the study was to develop a theoretical indicator of upper limb musculoskeletal load based on repetitive task parameters. As such the dimensionless parameter, Integrated Cycle Load (ICL) was accepted. It expresses upper limb load which occurs during 1 cycle. The indicator is based on a model of a repetitive task, which consists of a model of the upper limb, a model of basic types of upper limb forces and a model of parameters of a repetitive task such as length of the cycle, length of periods of the cycle and external force exerted during each of the periods of the cycle. Calculations of the ICL parameter were performed for 12 different variants of external load characterized by different values of repetitive task parameters. A comparison of ICL, which expresses external load with a physiological indicator of upper limb load, is presented in Part 2 of the paper.
Źródło:
International Journal of Occupational Safety and Ergonomics; 2005, 11, 1; 93-102
1080-3548
Pojawia się w:
International Journal of Occupational Safety and Ergonomics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
New Equipment to Lighten the Work Load of Construction Workers
Autorzy:
Kaukiainen, A.
Sillanpaa, J.
Lappalainen, J.
Viljanen, M.
Nyberg, M.
Powiązania:
https://bibliotekanauki.pl/articles/90392.pdf
Data publikacji:
2002
Wydawca:
Centralny Instytut Ochrony Pracy
Tematy:
ergonomics
construction equipment
work methods
ergonomia
obciążenie fizyczne
sprzęt budowlany
budownictwo
zagrożenia zawodowe
obciążenie pracą
Opis:
The objective of this study was to determine whether the 4 pieces of equipment for cutting moulding, cutting reinforcement rods, carrying carpet rolls, and fitting drain pipes can lighten the work load of construction work. The results indicate that the effect of using the new ergonomically designed equipment was positive. The cutter for reinforcement rods proved to be useful, bent back postures decreased by 11%. The carrying of carpet rolls became less loading on the lower and upper extremities. According to the men the work load was lower in fitting drain pipes, especially on the lower extremities and in the neck and shoulder region. The conclusion was reached that work load can be decreased with well-planned equipment, but more attention should be given to personal work methods and habits.
Źródło:
International Journal of Occupational Safety and Ergonomics; 2002, 8, 2; 209-224
1080-3548
Pojawia się w:
International Journal of Occupational Safety and Ergonomics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Assessment of the Musculoskeletal Load of the Trapezius and Deltoid Muscles During Hand Activity
Autorzy:
Roman-Liu, D.
Tokarski, T.
Kamińska, J.
Powiązania:
https://bibliotekanauki.pl/articles/91179.pdf
Data publikacji:
2001
Wydawca:
Centralny Instytut Ochrony Pracy
Tematy:
electromyography
muscle fatigue
precision work
hand activities
choroby narządów ruchu
fizjologia mięśni
praca mięśni
ręka
Opis:
The purpose of the study was to analyse the influence of the precision of a task on tension and fatigue of the trapezius and deltoid muscles. Ten young men took part in experiments. Different levels of force and different frequencies of pressing a button defined the precision of the task. Surface electromyography (EMG) was used. Muscle tension and fatigue were reflected by 2 parameters of the EMG signal: the Root Mean Square amplitude related to the maximum value and changes in the Median Power Frequency. The results showed that hand activities influence the descending part of the trapezius muscle and do not influence the deltoid muscle, and that the precision of work can influence the examined muscles of the arm and shoulder even during work in which only the hand is involved in a performed task.
Źródło:
International Journal of Occupational Safety and Ergonomics; 2001, 7, 2; 179-193
1080-3548
Pojawia się w:
International Journal of Occupational Safety and Ergonomics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Reasons for Applying Innovations for Scaffolding Work
Autorzy:
Jong, A. M.
Molen, H. v. d.
Vink, P.
Eikhout, S.
Koningsveld, E.
Powiązania:
https://bibliotekanauki.pl/articles/90714.pdf
Data publikacji:
2003
Wydawca:
Centralny Instytut Ochrony Pracy
Tematy:
scaffolding work
innovations
participatory ergonomics
musculoskeletal problems
construction industry
choroby narządów ruchu
prace budowlane
praca na wysokości
ergonomia
praca mięśni
obciążenie fizyczne
Opis:
In this paper reasons for applying and for not applying technical and organizational innovations in scaffolding work are studied. In a participatory ergonomic approach these innovations were developed to reduce problems concerning physical load of scaffolders. In this study reasons for the adoption of the innovations in the scaffolding sector are evaluated in 2 studies, in 48 companies. More than half of the scaffolding sector in the Netherlands adopted the innovations. Reasons for applying innovations concerned improvement of work and health and satisfaction with usage. The reason for not applying the innovations concerned specific situations, such as offshore work, in which innovations were not applicable.
Źródło:
International Journal of Occupational Safety and Ergonomics; 2003, 9, 2; 161-175
1080-3548
Pojawia się w:
International Journal of Occupational Safety and Ergonomics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Internal and External Factors Influencing Time-Related Injury Risk in Continuous Shift Work
Autorzy:
Ogiński, A.
Ogińska, H.
Pokorski, J.
Kmita, W.
Goździela, R.
Powiązania:
https://bibliotekanauki.pl/articles/90735.pdf
Data publikacji:
2000
Wydawca:
Centralny Instytut Ochrony Pracy
Tematy:
accident risk
shift work
time of day
day of week
season
ryzyko wypadku
praca zmianowa
zmęczenie
Opis:
Time-related accident risk in shift work may be attributed to internal factors, such as fatigue, level of performance, sleep propensity, and to some external factors, like shift system, physical and social environment. Six hundred and sixty-eight events in the metallurgical industry have been analysed in terms of time of day, time on task, consecutive day of the shift block, day of the week, and season. The injury rate was similar on all shifts but more severe accidents happened in the nighttime. Somewhat more injuries occurred in the second half of the shift, in the second part of a shift block, and in summer compared with winter. There were fewer injuries at weekends.
Źródło:
International Journal of Occupational Safety and Ergonomics; 2000, 6, 3; 405-421
1080-3548
Pojawia się w:
International Journal of Occupational Safety and Ergonomics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Box Handling in the Loading and Unloading of Vans
Autorzy:
Lortie, M.
Baril-Gingras, G.
Powiązania:
https://bibliotekanauki.pl/articles/90133.pdf
Data publikacji:
1998
Wydawca:
Centralny Instytut Ochrony Pracy
Tematy:
handling
box
handling techniques
field study
work analysis
obsługa
praca fizyczna
chwyt
wysiłek fizyczny
załadunek
rozładunek
Opis:
The handling of 2,306 boxes being loaded or unloaded from vans onto or from 4-wheeled trolleys by 31 handlers in a warehouse were characterized. Handling was videotaped and characterized through an analysis grid completed by three trained observers. The following execution parameters were observed: nature of the exertion applied by the upper limbs, plane and direction of the exertion, resulting displacement of the box, grip, use of the lower limbs and the back. Results show that execution parameters used by handlers vary considerably from those usually recommended or studied. For example, symmetric grips were rarely used (4%). The grip was modified during the handling of half the boxes. Significant knee flexion was rarely observed (3% of exertions). Each box was moved by applying an average o f . 3.5 different exertions. Exertions were mostly applied in a plane parallel to the shoulders; they were rarely executed in a strict sagittal plane (11%). The implication of these observations are discussed.
Źródło:
International Journal of Occupational Safety and Ergonomics; 1998, 4, 1; 3-18
1080-3548
Pojawia się w:
International Journal of Occupational Safety and Ergonomics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Ergonomics Intervention in an Iranian Tire Manufacturing Industry
Autorzy:
Motamedzade, M.
Powiązania:
https://bibliotekanauki.pl/articles/90908.pdf
Data publikacji:
2013
Wydawca:
Centralny Instytut Ochrony Pracy
Tematy:
participatory ergonomics
musculoskeletal disorders
team work
tire industry
choroby narządów ruchu
ergonomia
produkcja opon
praca zespołowa
Opis:
The aim of an ergonomics intervention conducted in the tire manufacturing industry was to improve working conditions. Before the start, a senior manager supported the intervention. Participants were divided into teams and trained. After observing the overall performance of the teams, over 100 improvements were successfully implemented. After the improvements, there were statistically significant differences in annual and weekly prevalence of, and annual disability reported for, the upper back, the lower back, knees and wrists between before and after intervention. The annual prevalence of upper back, lower back, knee and wrist complaints decreased from, respectively, 60.3%, 50.2%, 28.9%, 25.8% before the intervention to 31.3%, 35.9%, 17.1%, 20.7% after the intervention. Significant factors were training and supportive environment based on full commitment of the top management.
Źródło:
International Journal of Occupational Safety and Ergonomics; 2013, 19, 3; 475-484
1080-3548
Pojawia się w:
International Journal of Occupational Safety and Ergonomics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Reliability of a Questionnaire and an Ergonomic Checklist for Assessing Working Conditions and Health at Call Centres
Autorzy:
Norman, K.
Alm, H.
Tornqvist, E. W.
Toomingas, A.
Powiązania:
https://bibliotekanauki.pl/articles/90485.pdf
Data publikacji:
2006
Wydawca:
Centralny Instytut Ochrony Pracy
Tematy:
test-retest reliability
inter-observer test
questionnaire
ergonomic checklist
call centre
computer work
ergonomia
warunki pracy
praca a choroby
centra telefoniczne
praca przy komputerze
kwestionariusz
Opis:
Background. The purpose was to study the test-retest reliability and internal consistency of questions in a questionnaire concerning working conditions and health and the inter-rater reliability of observations and measurements according to an ergonomic checklist. Method. Fifty-seven operators participated in a retest questionnaire and 58 operators participated in an inter-observer test. Results. The questions had fair to good or higher reliability in 142 of the total of 312. Twenty-seven of the total of 44 variables in the ergonomic checklist were classified as having fair to good or higher reliability. Conclusions. About half of the questions had fair to good or higher reliability and can be recommended for further analyses. The majority of variables in the ergonomic checklist were classified as having fair to good or higher reliability. Low reliability does not necessarily indicate that the reliability of the test, per se, is low but may signify that the conditions measured vary over time or that the answers are aggregated in one part of the scale.
Źródło:
International Journal of Occupational Safety and Ergonomics; 2006, 12, 1; 53-68
1080-3548
Pojawia się w:
International Journal of Occupational Safety and Ergonomics
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-15 z 22

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