• Journal of the Ergonomics Society of Korea
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• v.22 no.4
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• pp.79-90
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• 2003

The purposes of this study are to compare data for work-related musculoskeletal disorders(WMSDs) between Korea and USA, and to investigate status of WMSDs for industrial safety managers. The first part of this study was based on statistical data annually published by Minister of Labor of Korea and Bureau of Labor Statistics of USA. The latter was performed by using questionnaire survey for industrial safety managers in two regions. The results showed that the WMSDs incidence rate was significantly lower in Korea than in USA, and that there is big difference in the distribution of occupational illness by category of illness between Korea and USA. The questionnaire survey revealed that knowledge level about WMSDs was significantly affected depending upon corresponding companies' location and size, and that the low back pain was the most prevalent illness among varying WMSDs symptoms, followed by tendonitis/tenosynovitis, carpal tunnel syndrome, and tennis elbow. Based on this study, it is recommended that the future education/training for WMSDs focus on their preventative measures, methods/tools for identifying their risk factors, and diagnostic criteria for judging suspicious symptoms for industrial accidents, and that the governmental policy for WMSDs be changed towards financial supporting for preventive facilities, establishing objective diagnostic criteria and training for WMSDs.

• Child Health Nursing Research
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• v.14 no.2
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• pp.176-185
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• 2008

Purpose: The purposes of this study were to investigate extent of backpack use and incidence of musculoskeletal pain, and to identify the relationship between backpack use and musculoskeletal pain. Method: A descriptive correlational study was conducted in one elementary school and one middle school in D city. Participants were 273 children, aged 12-14, who completed a self-administered questionnaire. Body weight, height, and backpack weight of participants were measured. Results: Mean backpack weight was 3.78 Kg and relative backpack weight (RBW) was 7.42%. Of backpack users, 23.8% carried more than 10% of their RBW and 9.2% carried more than 15%. Only 44.3% organized the contents in their backpack correctly. For more than three fourth of the students (76.2%), the bottom of backpack in the standing position drooped more than 10 cm below the waistline, and 46.3% complained of musculoskeletal pain. Use of a waist belt was significantly related to musculoskeletal pain. Conclusions: A considerable proportion of school children were not following guidelines for safe backpack use. Although the relationship between backpack use and musculoskeletal pain in this study was not significant, the fact that 46.3% of the students experienced musculoskeletal pain is very meaningful information. Further research is required to identify the risk factors of musculoskeletal pain among children.

• The Journal of the Korean bone and joint tumor society
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• v.18 no.2
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• pp.99-103
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• 2012

Little literature exists about the risk of atypical femoral fracture in patients received zoledronic acid for prevention of skeletal metastasis. We report an atypical subtrochanteric femoral fracture in a patient with multiple myeloma received zoledronic acid. The patient was treated by closed reduction and internal fixation with cephalomedullary nailing.

• Journal of the Korea Safety Management & Science
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• v.11 no.2
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• pp.69-75
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• 2009

This paper was proposed to show the comprehensive review of laws and regulations on the musculoskeletal disorders (MSDs) that are being established and carried out in various countries. Ten countries including USA, Canada, Australia, Japan, and 6 European countries which were regarded as the leaders in the prevention of MSDs were selected for review. Comparative analysis were performed on the laws, regulations, and guidelines of MSDs among different countries. The purpose of this study was to investigate the status of the various efforts of the advanced countries concerning on preventing MSDs and suggest the improvement factors that might be introducible to Korean policies. Some recommendations were made to improve the appropriateness and efficiency of our MSDs prevention policies based on the comprehensive review and comparative analysis. It is expected that the results of this study would be used as valuable information when revising relevant legal system.

• Journal of the Ergonomics Society of Korea
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• v.29 no.1
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• pp.139-144
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• 2010

Grape weeding work requires Ergonomics improvement, because it performs motion likely to cause Musculoskeletal disorders (MSDs) repeatedly and continuously. The object of this study was to reject workload in Grape weeding works raised MSDs with the Moving Rail-chair and Electromotive Scissors. As objective method of analysis, we used heart rate, EMG, RULA, REBA. As subjective method of analysis, we used questionnaire that indicate lethargy area of body, pain of muscle and bone. As a result, working with Moving Rail-Chair and Electromotive Scissors is lower heart rate and EMG than typical working. Also for the subjective evaluation, reducing of neck and shoulder movement makes improve workload.

• Journal of rehabilitation welfare engineering & assistive technology
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• v.9 no.1
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• pp.1-9
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• 2015

This paper reviews trends of the rehabilitation welfare devices on the basis of products and markets. Latest assistive devices tend to have a fold function. Auxiliary power assist module has been added. The completion of products has been improved. The folding function has strong relationship with portability. Specifically, various mobility devices, including foldable devices, are associated with enhanced portability. Powered auxiliary wheels and upper extremity supporting modules have entered the market. The leading-edge technology like Segway's control technology applies to two-wheel wheelchairs. The brand- new technology, lower extremity robotic exoskeleton, applies to markets. Standing wheelchairs, ramps, stair climbing assistive devices becomes more common. In addition, a combination of a variety of smart devices is being promoted to the classical assistive devices' part. Rehabilitation welfare devices can be more valuable due to nice industrial design, improved materials, and processing technology.

• Journal of the Korean Society of Safety
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• v.24 no.3
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• pp.59-64
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• 2009

This study was conducted in order to investigate prevalence of musculoskeletal disorders(MSDs) for farmers. The study was based on self-reporting questionnaire. The MSDs prevalence was ascertained by using three criteria, which are known as NIOSH criteria 1, 2 and 3. The results showed that the prevalences of MSDs in at least one body site by criteria 1, 2 and 3 were 96.4%, 66.7% and 26.2%, respectively. The MSDs prevalences for the shoulder by criterion 1 was the highest, followed by the lower back, neck, while the rates for the hip, feet and fingers were relatively low. Farmers' age, types of corps, working hours/day, length of service and length of service in current corps were not significant on the MSDs prevalences, except that types of corps and length of service in current corps were significant on the MSDs prevalences by criterion 2(p

• Korean Journal of Fisheries and Aquatic Sciences
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• v.50 no.4
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• pp.396-405
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• 2017

We observed the osteological development in larvae and juveniles of Korean spotted sleeper Odontobutis interrupta bred in the laboratory in April 2014. Immediately after hatching, the prelarvae, which were about 4.27 mm long, showed ossification of the premaxillary bones in the upper jaw and the dentary and articular bones in the lower jaw. At 7.11 mm, the larvae showed complete fusion of the post-cleithra and ossification of the scapulae with the appearance of one hole. At 8.65 mm, the larvae showed ossification of seven ribs from the third abdominal vertebra and an increase in the length of the neural spine and hemal spine. The number of caudal fin rays increased to 19. At 11.9 mm, the juveniles showed ossification of three procurrent rays on the side of the parhypural bone as well as ossification of two procurrent rays on the side of the epural bone, indicating the complete ossification of all spicules.

• The Journal of the Korean bone and joint tumor society
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• v.20 no.2
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• pp.80-84
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• 2014

Inclusion body fibromatosis is a rare benign soft tissue neoplasm typically involving fingers and toes of children in mostly less than one year old. Histologic findings include spindle-shaped fibroblasts surrounded by dense stroma and small perinuclear eosinophilic inclusions in the cytoplasm. Although the tumor typically undergoes spontaneous regression, surgery is considered when functional impairment or deformity develops with the lesion. Unfortunately, recurrence rate was reported to be as high as 60 % following tumor excision. Authors would like to present our case where the tumor occurred in relatively older child and kissing lesion was found a few months after the surgery.

• The Journal of the Korean bone and joint tumor society
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• v.16 no.2
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• pp.91-94
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• 2010

Fibro-osseous pseudotumor is an extremely rare benign lesion which is fast-growing and painful. It is often misdiagnosed as a malignancy, but it is a noninvasive entity and can be cured by simple resection. We report a case of fibro-osseous pseudotumor of the distal phalanx of great toe in 20-year-old female patient who present with painful mass.