Many risk factors with the onset of Low Back Pain(LBP) have been identified, however, lifting out of Manual Material Handling(MMH) was the most important factor to the LBP. Injuries due to lifting took account for 34.0%(227,291) out of the total overexertion in MMH(668,084). The weight, vertical location, twist angle, lifting frequency, and lifting posture were reviewed in this study. Technical information for using the revised lifting equation to evaluate a variety of two - handled manual material handling tasks was suggested. To measure worker's fatigue in lifting task, Lifting Index Simulator(LIS) was create under the revised NIOSH(National Institute for Occupational Safety and Health) lifting equation. For the implementation of the LIS, data was collected in A company manufactures various paints in Si-Wha industrial complex, Kyunggi-Do. The results of the Lifting Index(LI) were analyzed by MANOVA to find the relation with lifting variables collected. It was found that horizontal distance, vertical distance, travelling distance and frequency were significant at the 0.01 level and weight was significant at the 0.05 level. The purpose of this paper is to reduce the chronical low back pain for the manual material handlers.
Musculoskeletal Disorders are usually caused or aggravated by poor work processes and unsuitable working conditions - that involve or repetitive or forceful movements or the maintenance of constrained or awkward postures. The condition is characterized by discomfort and persistent pain. Case and Demographic Characteristics for Work-related Injuries and Illnesses Involving Days Away From Work, 2004. U.S" was examined. Causes of musculoskeletal disorders for assembly line workers were carpal tunnel syndrome(CTS), tendonitis, low back pain, and occupational stress. Recommendations of improvement for productivity are redesign of working conditions, exercise, prevent of musculoskeletal disorders and avoiding stress.
Objectives: The lung injuries by exposure to the humidifier disinfectants (HDs) were reported in 2011, Korea. For the HD victims, environmental exposure level and clinical diagnosis were conducted to determine the levels of damage by HDs. Methods: The exposure assessment to the HDs from 1st to 4th questionnaire surveys were carried out for 5,245 victims. And the affecting factors of exposure levels were analyzed by characterizing exposure and demographic information. By using of exposure concentration and cumulative time, exposure levels were classified and compared by percentage of clinical diagnosis classes. The high exposure and low clinical diagnosis rating groups, and low exposure and high clinical diagnosis rating groups were analyzed to overcome the limitation of past exposure assessment such as recall bias. Results: Among the all applicants damaged by the humidifier disinfectants, survivors were 4,028 and the dead were 1,217. And male and female were 2,675, and 2,547, respectively. In case of occurrence age of lung disease, under 10 years was majority age group (1,536) and followed by thirties (917). Pregnant women and fetuses were 339 and 439, respectively. And the damages by exposure to the HDs were concentrated on these susceptible populations in groups with low exposure and high clinical diagnosis rating. On the other hand, the groups classified by high exposure and low clinical diagnosis rating were shown different characterization. Conclusions: The questionnaire survey on past exposure may be uncertain due to recall bias. However, the relationship between classified exposure levels and clinical diagnosis ratings might be shown positive correlation if the exposure assessment errors were analyzed and controlled.
The purpose of this study was to identify the degree of sexual adjustment and quality of life in married men with spinal cord injuries and to furnish primary data to sexuality rehabilitation nursing practice which can lead to ideal sexual life and quality of life those men with SCI. Seventy married men with SCI were conveniently sampled in Kwangju, Suncheon, Mokpo and Seoul for responding the questionnaire, which was based on this research. With the research scale, SIS (Sexual interest and satisfaction) by Siosteen et al.(1990) and SB(Sexual behaviour) by Kreuter et al.(1996) were used for the measurement of sexual adjustment. And, for measuring quality of life was used SCI QL-23(Spinal cord injury of life-23) scale by Lundqvist et al.(1997). Data were collected from January 20 to March 20, 1999, using a structured questionnaire. A hundred volumes of questionnaire were used. and 85 volumes were collected, 70 volumes were used as research data after excluding 15 volumes unsuitable to data analysis. The obtain data were analysed using percentage, t-test, ANOVA, Duncan test, and Pearson's correlation by SAS PC+ program. The results were as follows: 1. The mean score of sexual interest and satisfaction of the subjects was 8.42. out of 18. The ways of their sexual behavior after spinal cord injuries were embracing and caressing (62.9%), kissing(58.6%), caressing breast with hands (55.7%), caressing breast with hands (52.9%), caressing genitals with hands (37.2%), caressing genitals with mouth(30.0%) and sexual intercourse (18.6%). The mean score of quality of life was 52.53 out of 100. 2. Age(F=3.24, p=.045) and caregiver (F=4.02, p=.022)were major variables which reveals significant differences in terms for sexual interest and satisfaction. The later results on Duncan's test showed that subjects who were in their 30s or 40s were significant higher than subjects whose age were in their 50s in their sexual interest and satisfaction. Also subjects with their spouse's care or mother's care were higher than those with other's care. 3. Subjects with incomplete paraplegia were higher than those with the complete paraplegia in sexual interest and satisfaction (F=3.01, p=.036). 4. Variables that showed the significant differences in the quality of life were education(t=2.860, p=.007) and period of marriage(t=2.125, p=.037). and occupational status(t=-2.161, p=.034). High school graduates, those who married before spinal cord injuries and those who didn't have occupation were higher than the other subjects. 5. Variables that revealed significant differences in the quality of life were time passage after spinal cord injuries(F=8.72, p=.001) and injured level of spinal cord(F=3.32, p=.042). Duncan's test showed that subjects who had lived for less than 4 years were higher those with time passage of 5-9 years and 10 years. Also subjects with lumbar injuries were higher than those with thoracic injuries in terms of quality of life. 6. There was negatively correlated between sexual interest and satisfaction and quality of life(r=-.256, p<.05). As a result of these findings sexuality rehabilitation for individuals with SCI was very important issue for their quality of life. Thus, registered nurses who care clients with SCI should activily participate in the client's sexual needs. Also, various sexual behaviors as well as sexual intercourse should be encouraged for the sexual adjustment of client's with SCI.
Objective: The aim of this study was to find risk factors in cultivating ginseng based on risk assessments and suggest safety measures for main risks. Background: Safety education and training is one of the practical and effective methods to prevent occupational accidents and injuries. In agricultural sector, there are few contents of safety education as compared to other industries. Especially, farm work has different cultivation characteristics according to the crops, so it needs special education materials for each crop. Among the various types of crops, ginseng contains various risk factors due to its long cultivating period and unique environment. Therefore, safety education material specified for ginseng is necessary to improve ginseng farmers' safety. Method: Risk assessment for cultivating tasks of ginseng was carried out through data obtained from various methods (site survey, interview, literature survey). To improve objectivity, the risk assessment was applied with 3-criteria (researcher estimate, interview, previous research results). Finally, the three high-risk tasks were selected and safety measures for those tasks were provided. Results: Three tasks, such as 'Mounting, maintenance and removing supports', 'Pest control' and 'Harvest', were selected as risky tasks among total tasks. (1) In 'Mounting' and maintenance and removing supports', the farmers found to be exposed to the risks of musculoskeletal disorders and accidents related to operating the tablet machine. (2) In 'Pest control', agrichemical poisoning, musculoskeletal disorders and hyperthermia were main risks. Finally, (3) In 'Harvest', the farmers are mainly exposed to the possibility of accidents of agricultural machines and risks of musculoskeletal disorders. Thus, it needs to apply appropriate safety measures to those risky tasks, such as safety guidelines, convenience equipment, protective kit, and so on. Conclusion: This study can be used as basic data for agricultural safety and expected that it would be useful for further study. In addition, the results of the research will be produced in the form of animation, which will enhance the safety consciousness for aged farmers. Application: The result of this study can be used in developing safety education materials for ginseng farmers which is essential to prevent occupational accidents and injuries among ginseng farmers.
Park, Tae-Yong;Lee, Jung-Han;Moon, Soo-Jeong;Ko, Ha-Neul;Ko, Yeon-Suk;Song, Young-Sun;Kwon, Kang-Beom
Journal of Society of Preventive Korean Medicine
/
v.14
no.3
/
pp.117-127
/
2010
Objectives : The purpose of this study was to find out the characteristics of patients who admitted due to industrial accident and to promote the superiority of oriental medical treatment on the sequelae of industrial accident. Methods : We analyzed the medical charts of 51 inpatients in a local oriental medicine hospital. The patients had been hospitalized from May 1, 2003 to October 31, 2010. Results : 1. By gender, males accounted for 78.4%, while females 21.6%. By age, most incidences occurred in the forties(29.4%), fifties(23.5%) and thirties(19.6%) in order. 2. Most causes of accident was carelessness(27.5%) and fall down(21.6%) was the next. 3. With regard to the interval from occurrence of accidents to hospitalization, 20 cases(39.2%) were found to be hospitalized 31~90 days after the accidents, followed by 11 cases(21.6%) in 91~180 days and 7 cases(13.7%) in 181~360 days. 4. Most cases turned out to be injuries with 40 patients from Sequelae of intracerebral hemorrhage (23.5%) and Lumbar and other intervertebral disc disorders with radiculopathy(13.7%). The mean duration of hospitalization was $209.03{\pm}346.04$ days. Inpatients of Organic brain syndrome NOS numbered the longest stay($676{\pm}86.26$days), Sequelae of intracerebral hemorrhage recorded $541.91{\pm}541.83$ days hospitalized. 5. Most of inpatients were treated with acupuncture(100%), herbal medication(98.0%), oriental physiological therapy(82.3%), and moxibustion(76.4%). Conclusions : This article will help the researchers related to Oriental medicine establish basic source of Oriental medicine approach for inpatients due to industrial accident.
Lee, Jae Kwang;Choi, Jong Pil;Park, Seong Soo;Park, Joon Seok
Journal of Trauma and Injury
/
v.18
no.2
/
pp.155-160
/
2005
Background: Falls are a major cause of emergency room visits. Injury secondary to falls is a largely preventable public health problem. This study helps to better understand the epidemiology of falls from height, then develops prevention strategies. Methods: We reviewed the medical records of 192 patients admitted to the emergency department of Konyang university hospital with a history of falls from January 2004 to December 2004. Collected data included the patient's age, gender, height of fall and method, outcome of management, Injury Severity Score(ISS). Results: According to the characteristics of height of fall, the ISS was higher when the patient fell from height of 2 meters or more($13.79{\pm}12.17$) than not($8.13{\pm}9.25$)(p<0.05). There were positive correlation between mean age and ISS(p<0.001, r=0.7). To gender, ISS was higher in the male group($12.73{\pm}11.78$) than the female group($8.48{\pm}10.00$)(p<0.05). Conclusion: Falls often results from multiple concurrent problems including environmental and behavioral factors. This study suggests that we need to improve the occupational environment, especially above 2meters, for decreasing injuries of fall from heights. Also we consider the prevention of children from injuries of fall from heights.
Kim, Hyun-Soo;Lee, Sang-Han;Jang, Hyun-Jung;Baek, Sang-Heum;Cha, Doo-Won
Maxillofacial Plastic and Reconstructive Surgery
/
v.23
no.1
/
pp.40-47
/
2001
To investigate epidermiologic trend in maxillofacial fractures. We retrospectively studied 934 patients with maxillofacial fractures between $1981{\sim}1987$ and $1995{\sim}1999$. The results were compared in the previous group (Group A, patients treated between $1981{\sim}1987$) with those in the recent group (Group B, $1995{\sim}1999$). Also, we studied 516 patient between $1995{\sim}1999$ for occupation, associated injuries, treatment and complications. The sex ratio of men to women decreased (5.6 : 1 in Group A vs. 3.5 : 1 in Group B), and the largest age group was 20 to 29 years. There was the highest incidence in September and Fall. The most frequent cause of maxillofacial fracture in both Group A and B was traffic accidents. The distribution of fracture site did not change appreciably, but the frequency of midfacial fracture increased. In the recent group, the largest occupational group was salaried men, and the largest associated injuries of maxillofacial fracture was head and neck injury. Open reduction was used in 91% of the cases, and post-operation complications were infection, neurologic problem, malocclusion, and mouth opening limitation etc. Our results suggest that the clinical features of patients with maxillofacial fractures have changed during the past decade.
Background : Ankle inversion sprains are one of the most common injuries in sports and activities of daily living that mostly concern physically active individuals. In most researches, proprioceptive deficit, muscle weakness and/or absent coordination have been regarded as a contributing factors. Despite the high incidence of ankle sprain and instability, therapeutic approaches to properly manage the symptoms have rarely been investigated. This study aimed to identify the effect of proprioceptive exercise program that is easy to integrate in normal training program. Methods : Subjects were randomly allocated to control group and experimental group consisting of 11 and 10 patients, respectively. The conservative treatment for the control group consisted of hot packs, ultrasound and TENS. In addition, the experimental group performed 7 exercises to enhance proprioceptive function of ankle joint. The therapeutic intervention of the controland experimental groups was performed a total of 20 exercise sessions, averaging 50 hour each, 5 times per week for 4 weeks. To compare the two groups, the level of ankle disability was assessed by using the ankle injury score scale in pre- and post-treatment. Results : On assessment of post-treatment, there were statistically significant differences in the scores of all sub-items, except for ankle laxity and range of motion, and the total score of ankle injury score scale between the two groups(p<0.05). In comparison between pre- and post-treatments, the significant difference in the scores of all sub-items and total score didn't appear for the control group, while the scores of most sub-items and total score of the experimental group were shown the statistically significant difference(p<0.05). Conclusion : The findings suggest that the proprioceptive exercise program is more effective for relieving ankle disability than conservative treatment therefore, the program to improve proprioceptive function should be recommended for prevention and rehabilitation of recurrent ankle inversion injuries.
KIM, O-Tae;JO, Hyun-Su;CHANG, Ho-Young;LEE, Yoo-Won
Journal of the Korean Society of Fisheries and Ocean Technology
/
v.58
no.3
/
pp.251-261
/
2022
Tuna purse seine fishery (TPF) constitute more than 60% of distant water fishery production in Korea based on a statistic of 2018, and 28 ships from four different companies were under operation at the western and central Pacific Ocean. On this research, common risk factors during TPF were investigated via enumeration of five years Korean fisherman's insurance payment statement, followed by some counterplans to diminish the accident rate. The accident rate of TPF on the Pacific Ocean peaked by 43.0% in 2014 and constantly decreased to 23.0% until 2018, presenting an average of 33.6%. Meanwhile, the accident rate on the Indian Ocean reached the highest point 55.1% in 2014 and declined to 11.6% in 2016, having an average of 24.7%. The average accident rate of the Indian Ocean scored 8.9% lower than the rate of the Pacific Ocean, but no statistic significance was observed. Depending on the process of operation, 'casting or hauling of net' was the most frequent part that people received an injury (40.4%). When the accidents were classified by their types, 'falling down' was the most recurrent cause of the injuries (28.5%). At the point of severity, the worst injuries were induced by crush hazard. Considering aforementioned accident frequency and severity, all the factors on the accident type list were divided into three different groups including high risk, moderate risk, and common risk. This study is expected to contribute to the reduction of occupational accidents during the work of fishermen and establishment of a safety management system for distance water fishing vessels.
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