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International Journal of Occupational Safety and Ergonomics: JOSE

Kumru Didem Atalay, Gülin Feryal Can, Ergün Eraslan
This study aims to define the relationship between risk degrees and risk indexes on different functional structures with the assumption that, risk degrees may not always present linear relationship with the risk indexes. In this wise, risk indexes; suitable for expert evaluation of working conditions and computed by using three different membership functions are determined. Among the membership functions used, one of them is preferred as linear and the others are preferred as nonlinear. Additionally, a new fuzzy risk assessment (RA) algorithm is developed by using these three membership functions...
March 23, 2017: International Journal of Occupational Safety and Ergonomics: JOSE
Agnieszka Kulawik-Pióro, Joanna Kurpiewska, Agnieszka Kułaszka
INTRODUCTION: With the current increases in occupational skin diseases, literature data attesting the decreasing efficiency of barrier creams with respect to the manufacturer's declarations, and legal regulations granting skin protection gels for employees, research is required to analyse and evaluate the recipes used for hydrophilic skin protection gels based on polyacrylates. METHODS: This study investigated the rheological properties, pH, and sensory perception of hydrophilic barrier gels based on polyacrylates...
March 21, 2017: International Journal of Occupational Safety and Ergonomics: JOSE
Yong-Ku Kong, Sung-Yong Lee, Kyung-Suk Lee, Dae-Min Kim
INTRODUCTION: The purpose of this study was to validate the agricultural lower limb assessment (ALLA) ergonomics checklist, which was developed for various agricultural tasks in Korea. METHODS: 196 working postures were selected from the real agricultural tasks to verify ALLA, a lower limb body posture assessment tool, and then evaluated by 16 ergonomic experts. Hit rate, quadratic weighted κ, one-way analysis of variance, and t test analyses were applied to compare ALLA with other assessment tools...
March 17, 2017: International Journal of Occupational Safety and Ergonomics: JOSE
Bertrand Galy, André Lan
Among the many occupational risks construction workers encounter every day, fall from height is the most dangerous. The objective of this paper is to propose a simple analytical design method for horizontal lifelines (HLL) that considers anchorage flexibility. This paper presents a short review of the standards and regulations/acts/codes concerning HLLs in Canada, the USA and Europe. A static analytical approach is proposed, considering anchorage flexibility. The analytical results are compared to a series of 42 dynamic fall tests and a SAP2000 numerical model...
March 1, 2017: International Journal of Occupational Safety and Ergonomics: JOSE
Rasoul Hemmatjo, Majid Motamedzade, Mohsen Aliabadi, Omid Kalatpour, Maryam Farhadian
This study investigated the combined effect of firefighting operations and exposure to smoke on physiological responses, cognitive and physical performance among firefighters. Each firefighter was engaged in two experimental conditions: (1) without artificial smoke; control (NS) and (2) with artificial smoke (WS). The results of data analysis revealed that heart rate (HR) and body temperature (BT) increased significantly after the firefighting activities in the two conditions relative to baseline. In addition, reaction time (RT) and correct response (CR) decreased after the activity relative to baseline and there was a significant difference in RT and CR between the NS and WS conditions...
February 25, 2017: International Journal of Occupational Safety and Ergonomics: JOSE
Patricia Blanco-Piñeiro, M Pino-Díaz Pereira, Aurora Martínez
OBJECTIVE: It is known that bad posture increases the risk that a musician may suffer from musculoskeletal disorders. This study compared posture quality required by different instruments or families of instruments. METHODS: Using an ad hoc postural observation instrument embracing 11 postural variables, four experts evaluated the postures of 100 students attending a Spanish higher conservatory of music. RESULTS: The agreement of the experts' evaluations was statistically confirmed by the Cohen κ value between ...
February 22, 2017: International Journal of Occupational Safety and Ergonomics: JOSE
Rahul Jain, M K Sain, M L Meena, G S Dangayach, A Bhardwaj
PURPOSE: In lower-middle-income countries, most of the work is performed manually using non-ergonomic hand tools which results in work-related health problems. Using hand tools designed in line with ergonomic principles may play an important role in reducing work-related health concerns significantly. METHODS: The scientific databases (PubMed, EBSCOhost and e-publishers) were searched for articles from year 1985 to 2015 using the following keywords: hand tool, ergonomics, usability and design...
February 20, 2017: International Journal of Occupational Safety and Ergonomics: JOSE
Guilherme da Silva Bertolaccini, Idinei Francisco Pires de Carvalho Filho, Gustavo Christofoletti, Luis Carlos Paschoarelli, Fausto Orsi Medola
INTRODUCTION: Wheelchair configuration is an important factor influencing the ergonomics of user-device interface and, from a biomechanical point of view, small changes in the chair setup may have a positive influence on the demand on the upper limbs during manual propulsion. This study aimed to investigate the influence of the position of the rear wheels' axle and the use of accessories on the activity of upper limb muscles during manual wheelchair propulsion. METHODS: Electromyography signal of the biceps, triceps, anterior deltoids and pectoralis major were collected with eleven able-bodied subjects in a wheelchair propulsion protocol with four different wheelchair configurations (differing in axle position and the use of accessories) in straightforward sprint and slalom course...
February 17, 2017: International Journal of Occupational Safety and Ergonomics: JOSE
Shunji Sako, Hiromichi Sugiura, Hironori Tanoue, Makoto Kojima, Mitsunobu Kono, Ryoichi Inaba
BACKGROUND: We analyzed muscular activity for different computer mouse positions during the completion of a timed computer task and determined whether the different mouse positions could affect muscular activity, productivity and perceived fatigue. METHODS: The subjects were nine healthy young men. Two mouse positions were studied: the distal position (DP), with the forearm rested on the desk; the proximal position (PP), with only the wrist rested on the desk. The subjects performed a 16-min task in each position...
January 27, 2017: International Journal of Occupational Safety and Ergonomics: JOSE
Leena Korpinen, Rauno Pääkkönen, Fabriziomaria Gobba
Recently, computer, mobile phone, and Internet use has increased. This study aimed to determine the possible relation between self-reported wrist and finger symptoms (aches, pain, or numbness) and using computers/mobile phones, and analyze how the symptoms are specifically associated with utilizing desktop computers, portable computers or mini-computers, and mobile phones. A questionnaire was sent to 15,000 working-age Finns (between the ages of 18-65). Via a questionnaire, 723 persons reported wrist and finger symptoms often or more...
January 26, 2017: International Journal of Occupational Safety and Ergonomics: JOSE
David N Katona, Charlie R Bennett, Michael McKoryk, Andre L Brisson, Carolyn J Sparrey
Manufacturers recommend removing fall protection system components from service for any indication of weld spatter or tool damage; however, little is known about the specific effects of lanyard damage on fall arrest dynamics. Thirty-two energy absorbing lanyards were drop tested after being damaged with weld spatter, plasma torches and cutting tools and compared with new, undamaged lanyards. Two lanyards damaged with a plasma torch failed completely without deploying the energy absorber while weld spatter damage and tool cuts, up to 2/3 through the width of the webbing, had no effect on fall arrest dynamics...
January 26, 2017: International Journal of Occupational Safety and Ergonomics: JOSE
Erman Çakıt
This study aimed to (a) evaluate strength requirements and lower back stresses during lifting and baggage handling tasks with the 3D Static Strength Prediction Program (3DSSPP) and (b) provide additional analyses using rapid entire body assessment (REBA) and the NASA task load index (TLX) to assess the risks associated with the tasks. Four healthy female shuttle drivers of good health aged between 55 and 60 years were observed and interviewed in an effort to determine the tasks required of their occupations...
January 26, 2017: International Journal of Occupational Safety and Ergonomics: JOSE
Albert P Chan, Yang Yang, Wen-Fang Song
Purpose -The provision of appropriate personal cooling vests is recognized as an effective measure to combat heat stress. However, personal cooling vests are not widely implemented in the Hong Kong industries. The current study aims to evaluate the usability of a hybrid cooling vest that is associated with the success of its application in industrial settings. Materials and methods - A self-administrated questionnaire focusing on 10 subjective attributes of cooling effect, ergonomic design, and usability of a hybrid cooling vest was administered with 232 occupational workers in the construction, horticultural and cleaning, airport apron services and kitchen and catering industries...
January 19, 2017: International Journal of Occupational Safety and Ergonomics: JOSE
Kandemir Aysun, Şahin Bayram
OBJECTIVE: This study aimed to determine the associations between sickness presenteeism and socio-demographic factors, perceived health status and health complaints among hospital staff and to calculate the cost burdens and productivity losses attributed to presenteeism. METHODS: A cross-sectional study was conducted using 951 hospital staff, including physicians, nurses, midwives, other health personnel and administrative staff working in two hospitals located in Kırıkkale province in Turkey...
January 19, 2017: International Journal of Occupational Safety and Ergonomics: JOSE
Sangbok Lee, Myoung Hwan Park, Byung Yong Jeong
This study investigates differences between male and female public office workers' satisfaction levels, sick building syndrome (SBS) symptoms and musculoskeletal disorder (MSD) complaints in workplace and office environments. Questionnaire surveys were performed in 30 offices from 15 public institutions. Male and female workers of the same age were coupled and selected from each office, gathering a total of 120 male and 120 female subjects. The results show that differences exist between genders in noise and lighting satisfaction levels, SBS-related symptoms (eye, nose, skin) and MSD complaints of hand/wrist/finger, while there is no difference in overall satisfaction level of office environments...
January 19, 2017: International Journal of Occupational Safety and Ergonomics: JOSE
Baisheng Nie, Xin Huang, Fei Xue, Jiang Chen, Xiaobing Liu, Yangyang Meng, Jinxin Huang
In order to enhance Chinese workers' occupational safety awareness, it is essential to learn from developed countries' experiences. This article investigates thoroughly occupational safety and health (OSH) in China and the UK; moreover, the article performs a comparison of Chinese and British OSH training-related laws, regulations and education system. The following conclusions are drawn: China's work safety continues to improve, but there is still a large gap compared with the UK. In China a relatively complete vocational education and training (VET) system has been established...
January 16, 2017: International Journal of Occupational Safety and Ergonomics: JOSE
Subramaniam Shankar, Raju Naveenkumar, Jeganathan Karthick, Periyasamy Mohankumar
This study focuses on the evaluation of the muscle activities associated with shoulder pain among workers of the hand screen printing (HSP) industry. Activities of three major muscles which showed higher muscle activity for a HSP job were observed for fatigue using surface electromyography (SEMG). The anatomical sites were chosen on the basis of a statistical survey and visual inspection conducted before the experiment. Activities of the deltoid, teres major and infraspinatus were recorded using SEMG and the nature of muscle activities was studied for about 50 m of cloth printing...
January 11, 2017: International Journal of Occupational Safety and Ergonomics: JOSE
Detlef Mewes, Christian Adler
Guards on machine tools are intended to protect persons from being injured by parts ejected with high kinetic energy from the work zone of the machine. Stationary grinding machines are a typical example. Generally such machines are provided with abrasive product guards closely enveloping the grinding wheel. However, many machining tasks do not allow the use of abrasive product guards. In such cases, the work zone enclosure has to be dimensioned so that, in case of failure, grinding wheel fragments remain inside the machine's working zone...
January 11, 2017: International Journal of Occupational Safety and Ergonomics: JOSE
Kai Way Li, Caijun Zhao, Lu Peng, Ai-Qun Liu
A gait experiment was performed. The participants were tested under shoes, floors, surface, and lighting conditions. They gave floor slipperiness ratings before and after a gait trial. The perceived sense of slip (PSOS) was collected. It was found that the perceived floor slipperiness (PFS) before walking was affected significantly by the lighting, floor, and surface conditions. Relative low PFS values were recorded under wet and detergent contaminated conditions at normal daylight condition as compared to those in the dimmed condition...
January 6, 2017: International Journal of Occupational Safety and Ergonomics: JOSE
Hamid Salmani Nodooshan, Alireza Choobineh, Mohsen Razeghi, Taymaz Shahnazar
INTRODUCTION: The present study aimed at designing, prototype making and evaluating a new assistive device to improve patient transfer conditions. METHODS: A new aid device for patient transfer was designed and its prototype was made. Comfort and perceived physical exertion of users and stability and applicability of the device were examined. The test subjects included 37 healthcare workers (HCW) of a hospital with patient transfer experience. The data collection tools consisted of visual analog scales (VAS) and Borg's rating physical effort (RPE) scale...
December 31, 2016: International Journal of Occupational Safety and Ergonomics: JOSE
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