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Sociopsychological factors associated with symptoms of work-related musculoskeletal disease
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Chul Gab Lee, Jong Park, Jung Sik Park, Seok Joon Sohn
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Korean Journal of Occupational and Environmental Medicine 2005;17(2):104-115. Published online June 30, 2005
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DOI: https://doi.org/10.35371/kjoem.2005.17.2.104
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Abstract
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- OBJECTIVES
The sudden increase in work-related musculoskeletal disease is caused by sociopsychological factors and ergonomic risk factors of the work process. This study evaluates the relationship between the symptoms of musculoskeletal disease and the sociopsychological factors. METHODS A questionnaire survey and ergonomic evaluation were administered to workers of a shipyard company with a high incidence rate of musculoskeletal disease. To quantify the pain score associated with a diagnosis of musculoskeletal disease, the pain degree(1~5points), frequency (1~4 points) and duration (1~4 points) were multiplied to give a maximum score of 80. A score above 64 points on the pain score was defined as 'severe pain group'. This 'severe pain group' was chosen as the dependent variable and the sociopsychological factors were evaluated as independent variables with structural equation modeling based on a decision tree of exhaustive CHAID. RESULTS The standardized regression weights value with reference to the REBA score(0.54) had the largest value by the type of company, followed in order by joining and acting labor union(.313), job demand(.172), senior support(-.095), insufficient sleep (.092), and colleague support (.061). CONCLUSION The symptoms of musculoskeletal disease were greatly affected by sociopsychological factors such as whether joining and acting labor union, job demand, and senior or colleague support.
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- The Validity and Reliability of the Second Korean Working Conditions Survey
Young Sun Kim, Kyung Yong Rhee, Min Jung Oh, Jungsun Park Safety and Health at Work.2013; 4(2): 111. CrossRef - Work-related musculoskeletal disorders in Korean farmers
Chul Gab Lee Journal of the Korean Medical Association.2012; 55(11): 1054. CrossRef
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The effectiveness of the intervention in the workplace on patients suffering from Cervicobrachial disorder
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Myung Ho Sohn, Jin Su Choi, Seok Joon Sohn, Yang Ok Kim, Jong Park
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Korean Journal of Occupational and Environmental Medicine 1999;11(4):460-475. Published online December 31, 1999
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DOI: https://doi.org/10.35371/kjoem.1999.11.4.460
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Abstract
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- OBJECTIVES
In order to reveal the effectiveness of the intervention in the workplace on patients suffering from cervicobrachial disorder (CBD), we reexamined 96 workers out of 137 workers suffering from CBD on the assembly lines of an electric manufacturing factory by using questionnaires, physical exams and neurological exams. METHODS Analyses were made of the characteristics of the 96 workers of this company suffering from 1994 to 1996 with special concern for differences before and after the improvement of the working environment. After reexamination of the 96 patients the following results were obtained. RESULTS We observed an improvement in the 10 most common subjective symptoms of CBD. These symptoms included general fatigue, pain on neck and shoulders, dullness of the upper extremities, back pain and discomfort and a tingling sensation in the hands and wrists (p < 0. 05). The percentage of workers who complained muscle tenderness of neck and shoulder were reduced (p < 0.05). the percentage of workers with abnormal Morley examination was reduced from 28. 5% to 2. 100 (p < 0.01), and of workers with abnormal EMG finding went from 12. 4% to 2. lao (p < 0. 01) and of grade 3 and grade 4 CBD was reduced from 42. 3% and 18. 3% respectively to 33. 3% and 2. ba (p < 0. 01). Grade 3 and over laborers of CBD had higher scores in somatization, anxiety, depression, hostility, interpersonal sensitivity, phobic anxiety, obsessive-compulsive, neurasthenic, hypochondriacal than other sufferers in the SCL-90-R exam (p < 0. 01). CONCLUSIONS in conclusion intervention had effectiveness on subjective symptoms of neck and shoulder and decreasing abnormal finding of muscle tenderness, neurological examination and EMG.
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- Clinical Study of the Effects of Juglandis Semen Pharmacopuncture Therapy on Shoulder Pain
Han-Na Choi, Seoung-Whon Lee, Cheol-Hong Kim, Hyun-Min Yoon, Kyung-Jeon Jang Journal of Pharmacopuncture.2011; 14(4): 39. CrossRef
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Study on the Cervicobrachial Syndrome Among Microwave-oven Assemblers (III) : A Review on Working Posture
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Yang Ok Kim, Jong Park, So Yeon Ryu, Chul Gab Lee
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Korean Journal of Occupational and Environmental Medicine 1997;9(2):275-282. Published online June 30, 1997
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DOI: https://doi.org/10.35371/kjoem.1997.9.2.275
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Abstract
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- Working postures in 116 microwave-oven assemblers were measured and analysed using postural load scores of body parts in 137 workers complaining the cervicobrachial syndrome (CBS). The relationship between postural load scores of body parts and the grades of CBS was observed. Results were summarized as follows. 1. The height of work-table and work-seat, the thumb tip reach, the shoulder angle, the elbow angle and the forward bending angle of body trunk exceeded the recommended level and therefore they seemed to impose increased static postural loads on muscles of neck and shoulder as well as static and/or dynamic load on arm and hand muscles. 2. The postural load score of shoulder in grade II was significantly lower than that in grade III-2 and IV and those of elbow, neck+shoulder, elbow+wrist and upper extremity were significantly lower in grade II than in grade Iv. These results suggested that the awkward working postures were associated with the occurrence of CBS as well as the severity of CBS.
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A Study on the Cervicobrachial Syndrome among the Microwave-oven Assemblers (I): A Review on the Symptoms Investigated by the Questionnaire
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Yang Ok Kim, Jong Park, So Yeon Ryu
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Korean Journal of Occupational and Environmental Medicine 1995;7(2):306-319. Published online October 31, 1995
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DOI: https://doi.org/10.35371/kjoem.1995.7.2.306
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Abstract
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- To find the characteristics of the subjective symptoms and its related factors among the patients with the cervicobrachial syndrome, an interview survey was made toward 137 patients complaining the symptoms in cervicobrachial area out of 313 workers occupied in a microwave-oven assembling factory from December 1993 to February 1994.
Results were as follows : 1. The patients were classified by the severity of the syndrome as 6 persons (4.4%) at grade I (the mildest grade), 48 persons (35.0%) at grade II, 47 persons (34.4%) at grade III-1, 11 persons (8.0%) at grade III-2 and 25 persons (18.2%) at grade IV.
2. Only 3.6% of the total patients under the study felt the main symptoms of the cervicobrachial syndrome 36 months before this study, and then the number of patients increased gradually, but the incidence of the syndrome increased suddenly from 25.1% to 74.9% since the factory had elevated the height of the belt conveyer-worktables from 75.0cm to 87.7 cm 13 months before the study.
3. Although the higher percentage of the female workers felt the subjective symptoms including the pain at the neck and shoulder, the discomfort or pain at the back and the discomfort or pain at the wrist or the finger than male workers significantly (p<0.05). The male workers, however, showed more abnormal X-ray findings than the female workers significantly (p<0.05).
4. Between the prevalence of the cervicbbrachial syndrome and the number of actual workers occupied at the factory during last-24 months, a negative correlation (r=-0.508~r=-0.665) was observed.
5. The measured workplace environment of the studied factory (average temperature: 13.3 degrees C, average noise: 78.8 dB, average illumination: 241.4 Lux) was the poorer condition than the recommended level (17degrees C or more, lower than 75 dB and 400 Lux or more).
6. Neither items to check the cervicobrachial syndrome during the entrance and health maintenance examinations nor early treatment program for the syndrome were found, at the factory.
In conclusion, the primary cause of the cervicobrachial syndrome of the workers were considered due to their repeated monotonous motions on the neck, the shoulder, the arms and the hands for a long duration (2-3 years) with the uncomfortable working posture under the uncomfortable workplace environments, and the condition got aggravated due to the inappropriated health management program for its secondary prevention.
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Citations
Citations to this article as recorded by
- Effects of the Health Support Network Project on Musculoskeletal Disorders of Females
Deok-Ju Kim, Hee-Jung Han, Yeong-Ae Yang The Korean Journal of Health Service Management.2015; 9(1): 169. CrossRef - A Study on Effects of the Convergence of musculoskeletal disorders Women with Disabilities on Quality of life in Jeon-nam Area
Je-Ho Min, Hee-Jeong Han Journal of Digital Convergence.2015; 13(9): 497. CrossRef - Health Status and Affecting Factors related to Job among Korean Women Employees
Eun-Young Hong, Sang-Dol Kim Journal of the Korea Academia-Industrial cooperation Society.2012; 13(9): 4107. CrossRef - Gender-related Factors Associated with Upper Extremity Function in Workers
Kyoo Sang Kim, Min Gi Kim Safety and Health at Work.2010; 1(2): 158. CrossRef
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A Study on the Cervicobrachial Syndrome among the Microwave-oven Assemblers (II): A Review on the Findings of the Examinations
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Jong Park, Yang Ok Kim, So Yeon Ryu, Sang Ho Ha, Byung Gwon Park
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Korean Journal of Occupational and Environmental Medicine 1995;7(2):320-331. Published online October 31, 1995
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DOI: https://doi.org/10.35371/kjoem.1995.7.2.320
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Abstract
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- To find the severity and the type of the cervicobrachial syndrome, through physical examinations and laboratory tests were made toward 137 patients complaining the cervicobrachial syndrome (CBS) through the health interview among 313 workers occupied in a microwave-oven assembling factory from December 1993 to February 1994.
Results were as follows.
1. The prevalence of spontaneous pain was 94.9%, while 78.1% suffered from muscle tenderness, 63.5% suffered from muscle induration and 62.0% showed kinesalgia. 54.7% of patients showed positive cervical X-ray findings and 28.5% showed positive Morley test.
2. The muscle induration was associated with the total duration of the job among female workers.
3. The severity of neck tenderness was negatively correlated with the strength of the grip at both hands, positively correlated with the duration of overtime in male and the severity of the wrist tenderness was negatively correlated with the height in female.
4. X-ray findings, muscle induration, Morley test results, muscle tenderness on the neck and muscle tenderness on the shoulder were associated with subjective symptoms of the workers.5. The muscle tenderness was associated with the number of the complaints at upper extremities among the sufferings in daily life significantly and the electromyogram (EMG) finding was associated with; the number of the complaints: about neuropsychological system among the sufferings in daily life significantly.
In conclusion, the results of the physical examination were related with the subjective symptoms of the cervicobrachial syndrome. The muscle induration, the muscle tenderness, cervical X-ray findings and the Morley test results were more useful for the diagnosis of CBS. More efforts to objectify the subjective symptoms were asked.
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Citations
Citations to this article as recorded by
- Work-related Musculoskeletal Disorders in Korea Provoked by Workers’ Collective Compensation Claims against Work Intensification
Dongmug Kang, Youngki Kim, Young-Il Lee, Sangbaek Koh, Inah Kim, Hoonkoo Lee Annals of Occupational and Environmental Medicine.2014;[Epub] CrossRef - Risk Factors of Work-related Upper Extremity Musculoskeletal Disorders in Male Shipyard Workers: Structural Equation Model Analysis
Byung-Chan Park, Hae-Kwan Cheong, Eun-A Kim, Soo Geun Kim Safety and Health at Work.2010; 1(2): 124. CrossRef
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