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RISS 인기검색어
- 검색키워드
- 저자 : Masato Takanokura (검색결과 4 건)
- 무료
- 기관 내 무료
- 유료
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Quantification of Healthcare Works by Physical Activity at a Nursing Home for Long-term Care
Masato Takanokura,Masafumi Miyake,Masaru Kawakami,Seiko Taki,Tetsuo Yamada,Munenori Kakehi 대한산업공학회 2015 대한산업공학회 추계학술대회논문집 Vol.2015 No.11
Healthcare works were quantified by physical activity at a nursing home for long-term care in Japan. Physical activities were measured by using an activity meter from four healthcare workers. They were quantified by a high-intensity activity of 3.0 METs and more, a type of activity, and a relation between physical activity and healthcare works. A higher workload of healthcare worker could be quantified by the average physical activity and the cumulative time of highintensity activities of 3.0 METs and more. The healthcare worker with long experience had acquired efficient manners of elderly care from daily works, but the acquired manner had a high-intensity physical activity or a higher workload for the worker. In addition to observational methods, improvement of healthcare works should be considered by quantitative variables.
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Ohnishi, Akihiro,Takanokura, Masato,Sugama, Atsushi Occupational Safety and Health Research Institute 2016 Safety and health at work Vol.7 No.3
Background: This study examined the relationship between interhandle distances and upper limb exertion during simply pushing and pulling of a cart with four swivel wheels, defined by a roll box pallet (RBP) in a Japanese industrial standard. Methods: Six healthy young male participants were asked to push and pull an RBP at a distance of 5.2 m under six conditions corresponding to different interhandle distances (40 cm, 60 cm, and 80 cm) and weights (130 kg and 250 kg). The upper limb exertion was studied by shoulder abduction and flexion, and elbow flexion, as well as surface electromyogram (EMG) in shoulder extensor, and elbow flexor and extensor. Participants were required to provide subjective evaluations on operability after each trial. Results: Subjective operability indicated that a narrower interhandle distance had a better operability for pushing. Interhandle distance was also related to upper limb exertion especially for pushing. A narrow interhandle distance caused smaller shoulder adduction but larger elbow flexion. The normalized EMG data revealed that muscular activity became smaller with a narrow interhandle distance in shoulder extensor. During the pulling task, elbow flexion was smaller at a narrow interhandle distance, although subjective operability and normalized EMG were not significantly varied. Conclusion: A wider interhandle distance, such as 80 cm, was not suitable in the forwardbackward movement of the RBP. Therefore, this study concluded that an interhandle distance of 40 cm would be suitable for pushing and pulling an RBP to protect the workers' hands against the risk of injury by installing inner handles.
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Akihiro Ohnishi,Masato Takanokura,Atsushi Sugama 한국산업안전보건공단 산업안전보건연구원 2016 Safety and health at work Vol.7 No.3
Background: This study examined the relationship between interhandle distances and upper limb exertion during simply pushing and pulling of a cart with four swivel wheels, defined by a roll box pallet (RBP) in a Japanese industrial standard. Methods: Six healthy young male participants were asked to push and pull an RBP at a distance of 5.2 m under six conditions corresponding to different interhandle distances (40 cm, 60 cm, and 80 cm) and weights (130 kg and 250 kg). The upper limb exertion was studied by shoulder abduction and flexion, and elbow flexion, as well as surface electromyogram (EMG) in shoulder extensor, and elbow flexor and extensor. Participants were required to provide subjective evaluations on operability after each trial. Results: Subjective operability indicated that a narrower interhandle distance had a better operability for pushing. Interhandle distance was also related to upper limb exertion especially for pushing. A narrow interhandle distance caused smaller shoulder adduction but larger elbow flexion. The normalized EMG data revealed that muscular activity became smaller with a narrow interhandle distance in shoulder extensor. During the pulling task, elbow flexion was smaller at a narrow interhandle distance, although subjective operability and normalized EMG were not significantly varied. Conclusion: A wider interhandle distance, such as 80 cm, was not suitable in the forwardbackward movement of the RBP. Therefore, this study concluded that an interhandle distance of 40 cm would be suitable for pushing and pulling an RBP to protect the workers’ hands against the risk of injury by installing inner handles.
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