Protocol and Evaluation for Warm-Up Exercise Through Musculoskeletal Simulation
Journal Title: Biomedical Journal of Scientific & Technical Research (BJSTR) - Year 2019, Vol 14, Issue 3
Abstract
It has been reported that many workers at the logistic workplace suffered from musculoskeletal disorders in the lumbar region. Although it has been considered that exercises are one method of effective intervention, there was still no way to prepare exercises. The purpose of the present study was to propose a protocol to prepare the warm-up exercise for logistic workers by using musculoskeletal stimulation, then evaluate the effect of exercise through the clinical test. Three kinds of lifting postures were defined and the each defined posture was stimulated by Open Sim which is the freely available tool for modeling and simulation of movement with the muscle activation. Through the results of the simulation, it was confirmed that 32 types of muscles were activated during three defined postures. According to these results, ten exercising movements were determined with the gymnast instructor. After both qualitative and quantitative evaluation, it was found that the proposed warm-up exercise enabled workers to improve the muscle flexibility as the quantitative evaluation, then the results of qualitative evaluation including the quality of life, visual analysis scale, and so on were connected to the improvement. It was discussed that the proposed protocol to prepare the warm-up exercise was the high feasibility. In Europe, musculoskeletal disorders (MSDs) are the most common occupation-related diseases, and in the United States, MSDs occupy 5th place in causes of visits to medical facilities. MSDs at the workplace is found not only in specific occupations but also in many types of jobs and kinds of work. Refer to European Survey on Working Conditions (ESWC), the work-related low back disorder is most common MSDs in EU-15 countries [1]. According to the Japanese guidelines for diagnosing and treating low back pain that were issued in 2012, it is believed that there are differences in the ratios of complaints of work related low back disorder depending on the type of occupation, and it has been reported that the figures are 40-50% for Japanese persons in general, 46-56% for nurses, and 71–74%, the highest ratio of all, for workers at the transport and logistics workplace. The fact that heavy labor that has a large physical burden is a risk factor for MSDs is a consistent finding in many studies. In addition, it has been pointed out that posture during work is important, and work that involves bending or rotating the trunk of the body, and work wherein the worker cannot change his posture periodically, causes an increased incidence of work related low back disorder [2]. One reason why the complaint rate for work-related low back disorder in the transport and logistics industries is the highest of all industries may well be that in these two industries, work involving the lifting of heavy objects accompanied by bending and rotating of the trunk of the body, is common. Figure 1 An importance of early detection and exercise of musculoskeletal disorders (MSDs) in order to reduce the ratio of occupational MSDs. Figure 1 shows an importance of early detection and exercise for MSDs in order to reduce the ratio of occupational MSDs. In our previous studies [3,4], methods to recognize characteristics of health experts at the logistics workplace were proposed in order to figure out what was the know-how to reduce the burden of the human body during the lifting. In this study, we are interested in what are the characteristics of experts with MSDs. Although it is necessary for most workers to take a proper management when they feel the indisposition, it is impossible to determine the rehabilitation at the end by themselves. Because there is no way to express the painful degree of MSDs by themselves through the heavy labor quantitatively. Thus, if characteristics of experts with MSDs are clear, it is possible to determine the optimistic exercise as one kind of rehabilitation for the prevention of severe MSDs by themselves.
Authors and Affiliations
Soichiro Watanabe, Hieyong Jeong, Yuko Ohno
Keywords
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- EP ID EP594331
- DOI 10.26717/BJSTR.2019.14.002542
- Views 122
- Downloads 0
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