• 한국산학기술학회논문지
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• 제15권11호
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• pp.6782-6792
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• 2014

본 연구는 일개 대학병원 근무자 679명을 대상으로 신체 부담과 근골격계 증상이 직무 스트레스에 미치는 영향을 파악하였다. 분석 결과 직무스트레스에 영향을 미치는 관련 요인으로는 여성, 저연령층, 미혼, 교대근무자, 8시간 이상 근무자, 근무 경력이 낮은 군이 유의한 변수로 선정되었다. 직무 스트레스 수준은 비흡연(p=0.000), 운동을 하지 않는다(p=0.022) 및 비음주(p=0.038)에서 높았고 통계적으로도 유의한 차이를 보였다. 또한 직무스트레스에 영향을 미치는 관련 변수로 정신적 피로, 근골격계 증상, 피로수준 및 결혼상태가 직무스트레스 위험을 증가시킬 수 있다. 결론적으로 육체적 작업부담과 직무스트레스간의 쌍방향성 상승효과가 있음을 확인하였다.

• 한국도서관정보학회지
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• 제42권4호
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• pp.243-262
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• 2011

이 연구는 근골격계 질환의 발생에 영향을 미칠 것으로 예상되는 요인들에 대해 20개 대학도서관 300명(266명 응답)의 사서들을 대상으로 설문조사를 실시하여 그 결과를 분석하였다. 응답자의 62.5%가 근골격계 질환 자각증상을 호소하였다. 근골격계 증상의 요인들을 분석한 후, 각 부위별로 유의미한 영향을 미치는 주요 요인들을 독립변수로 하여 다중회귀분석을 한 결과는 아래와 같다. 즉, 목의 증상에 영향을 미치는 변수는 근무조건 만족도였으며, 근무 만족도가 높을수록 목 부위의 증상 정도가 낮은 것으로 나타났다. 어깨부위의 증상에 대해서는 근무만족도, 작업강도, 식사시간이 설명변수로 선택되었다. 식사시간이 불규칙적일수록, 작업강도가 높을수록, 근무만족도가 낮을수록 증상의 정도가 높은 것으로 나타났으며, 이중에서도 특히 근무 만족도의 영향이 큰 것으로 나타났다. 팔 팔꿈치에서는 숙련도가 설명변수로 선택되었으며, 업무 숙련도가 높을수록 증상 정도가 높게 나타났다. 손가락 손목을 설명해주는 설명변수로는 업무 스트레스가 선택되었으며, 업무 스트레스가 많을수록 증상 정도가 높은 것으로 나타났다. 등 허리에서는 작업강도, 직장 만족도가 설명변수로 선택되었고, 작업강도가 높을수록, 직장 만족도가 낮을수록 증상이 높은 것으로 나타났다. 마지막으로 무릎 다리의 경우 흡연여부가 선택되었으며 비흡연자일수록 증상이 낮은 것으로 나타났다.

• 한국직업건강간호학회지
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• 제29권4호
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• pp.342-353
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• 2020

Purpose: This study aimed to systematically review literature and conduct a meta-analysis to comprehensively identify and evaluate the effects of workplace risk assessment-based ergonomic intervention on work-related muscular-skeletal disorders in workers. Methods: We searched the Ovid-Medline, EMBASE, and Cochrane library and up to 2018 using search terms such as muscular-skeletal, disorder, impairment, work-related muscular-skeletal disorders, ergonomic, intervention, management with no language limitations; screened reference lists; and contacted experts in the field. Results: We identified 545 references and included 13 randomized controlled tests (3,368 workers). We judged nine studies to have a low risk of bias, while the other four studies have a high risk of bias. Conclusion: Ergonomic intervention based on risk assessment in the workplace did not significantly differ in terms of the intensity of pain or duration of workers in the workplace, but low-quality evidence decreased the frequency of musculoskeletal disorder pain in three to six months moderate-quality evidence and in six to nine months low-quality evidence. Besides, low-quality evidence to reduce discomfort and moderate-quality evidence to improve worker posture. Therefore, ergonomic intervention based on the assessment of risk factors in the workplace should be applied to reduce pain frequency and discomfort and improve workers posture among musculoskeletal disorders.

• 한국전문물리치료학회지
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• 제16권4호
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• pp.37-43
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• 2009

This study compared the electromyographic activities and input performance of computer operators using a computer mouse and a trackball. Muscle activities were assessed at the upper trapezius (UT), middle deltoid (MD), extensor digitorum (ED), and first dorsal interosseous muscle (FDI). Twenty-six healthy subjects were recruited, and the test order was selected randomly for each subject. The task set was to click moving targets on a Windows program. The EMG amplitude was normalized using the percentage of reference voluntary contraction for UT and MD and the percentage of maximal voluntary contraction for ED and FDI. To analyze the differences in EMG activity, a paired t-test was used. UT muscle activities were significantly greater when the computer mouse was used (p<.05). FDI muscle activities were significantly greater when the trackball was used (p<.05). Using a trackball can reduce the load on the UT during computer work and help to prevent and manage work-related musculoskeletal disorders.

• 한국직업건강간호학회지
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• 제15권1호
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• pp.14-29
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• 2006

Purpose: The purposes of this study were to survey the extent of pain and discomfort in the musculoskeletal system among visiting housekeepers, above all concerning neck, shoulder, back, wrist, knee, and arm pain and to find possible relations between symptoms and various working conditions. Method: A questionnaire was answered by 174 woman visiting housekeepers living in Kyeonggi-do and Seoul from December 1, 2003 to February 30, 2004. The symptoms of musculoskeletal system were coded by the pain index which illustrates the extent of the symptoms, and analyzed in view of NIOSH guideline and Kim, et. al.'s notion. Result: 1. As to the complaint rate of subjective musculoskeletal symptoms by body region, the figure was the highest for shoulder with 78.2%, followed by back with 66.7%, knee 53.6%, neck 56.3%, wrist 40.2%, and arm 29.2%, respectively. The logistic analysis showed shoulder pain and arm pain have no relation with working and health conditions, and back pain was significantly related to current health condition. In same way, knee pain and wrist pain were found to be mainly related to marital status. 2. Following the NIOSH guideline, the positive rate of subjective musculoskeletal symptoms was found out in following order: shoulder 69.5%, back 59.2%, knee 54%, neck 46%, wrist 32.8%, and arm 25.3%. To investigate the main cause of each disease, the symptoms were classified by pain index, where the value of more than 3 comes to the NIOSH case, and analyzed in term of complaint rate using discrete logistical method : shoulder pain was highly related to the housekeeping time after work, back pain was to current health condition and the heavy weight carrying and neck, wrist, arm pain were commonly related to the ordinary health condition. For knee pain, working speed was a main cause. 3. In view of Kim et. al.'s standard, where the pain index is over 7, the positive rate was showed in order slightly different from previous analyses : shoulder 33.3%. knee 29.9%, back 28.2%, neck 17.2%, wrist 17.2%, and 16.7%. From the logistical analysis, insufficient rest was shown as the main cause of shoulder, back, arm and wrist pain. For neck pain, ordinary health condition was mainly related. In case of knee pain, any apparent relation is not found. Conclusion: According to the logistic regression analysis of musculoskeletal system, there was strong suggestion that the less insufficient physical rest, the more significant disorder complaint. This means that the most musculoskeletal symptom among the visiting housekeepers can be prevented and cured by sufficient physical resting.

• 한국직업건강간호학회지
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• 제23권4호
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• pp.245-253
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• 2014

Purpose: School foodservice employees (SFEs) could be exposed to the risk of musculoskeletal disease and of job stress due to their job characteristics. This study was to evaluate the level of job stress and the prevalence of work-related musculoskeletal symptoms (WRMS) in Seoul city's SFEs, and to determine associations between job stress and WRMS. Methods: The study design was cross-sectional, and 975 SFEs were recruited. Self-administered questionnaire included the 'Korean occupational stress scale-short form' and the 'KOSHA GUIDE H-9-2012' instrument to evaluate the job stress and WRMS, respectively. SFEs' medians of job stress were compared to the reference values of published study in Korean workers. Results: The participants reported greater levels of job demand and physical environment than the general Korean population. WRMS were reported in 89.0% of participants at any body part, and 41.1% were presumed to need for medical intervention. High levels of job demand and of physical environment were significantly associated with WRMS. Conclusion: Subscales of job demand and physical environment were relatively high in SFEs and those were related to the occurrence of WRMS. To reduce the WRMS prevalence, a job stress management program focused on job demand and physical environment may be required.

• 한국산학기술학회논문지
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• 제16권10호
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• pp.6627-6640
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• 2015

본 연구는 제조업 남성 근로자들의 신체부위별 근골격계질환 자각증상 호소율을 알아보고 그의 관련요인을 파악하고자 제조업에 종사하고 있는 생산직 남성 근로자 856명을 대상으로 자기기입식 설문조사를 통해 이루어졌다. 연구결과, 조사대상자의 신체부위별 근골격계질환 자각증상 호소율을 보면 어깨부위 61.2%, 허리부위 55.4%, 목 부위 55.3%, 다리/발 부위 38.6%, 손/손목/손가락부위 32.2%, 팔/팔꿈치부위 26.9%의 순위였다. 로지스틱회귀분석 결과 신체부위별 자각증상 관련요인을 보면, 목 부위는 결혼상태, 주관적인 건강상태, 흡연여부, 커피음용여부, 직무스트레스가 유의한 관련성이 있는 요인으로 나타났으며, 어깨부위는 근무경력, 교대근무여부, 업무상 질병으로 인한 외래진료여부, 직무스트레스가 유의한 관련성이 있는 요인으로 나타났다. 팔/팔꿈치부위는 수면시간, 업무상 질병으로 인한 결근여부, 직무스트레스가 유의한 관련성이 있는 요인으로 나타났으며, 손/손목/손가락 부위는 연령, 흡연여부, 커피음용여부, 주당근무시간, 직급, 근무경력, 업무상 질병으로 인한 외래진료여부, 직무스트레스가 유의한 관련성이 있는 요인으로 나타났다. 허리 부위는 학력, BMI, 수면시간, 직급, 근무경력, 업무상 질병으로 인한 외래진료여부, 직무스트레스가 유의한 관련성이 있는 요인으로 나타났으며, 다리/발 부위는 결혼상태, 직급, 근무경력, 업무상 질병으로 인한 입원경험여부, 직무스트레스가 유의한 관련성이 있는 요인으로 나타났다.

• 대한인간공학회지
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• 제32권2호
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• pp.199-205
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• 2013

Objective: The aim of this study is to investigate the job rotation implementation at medium- or small-industries and to identify the viewpoint on job rotation as preventive activity of work-related musculoskeletal disorders(WMSDs). Background: Job rotation has been implemented in many industrial areas in order to prevent the WMSDs as one part of ergonomic program. Generally, the cases of implementation of ergonomic program or successful cases of job rotation were reported on the side of major or large company. Therefore, this study tried to inspect the current state of job rotation implementation at medium- or small-industries. Method: Survey was carried out for randomly contacted forty seven mangers responsible for safety. Survey contained the questionnaires on the general state of company, shift-work and job rotation. Results: The ratio of work-shift in medium- and small-industry was 34.0% and the ratio of job rotation was 19.1%. For manufacturing industry, the ratio was 37.9% and 17.2%, respectively. Conclusion: The implementation ratio of job rotation was relatively low considering the results of previous studies. Many managers appealed the quality decreasing of goods and the injuries of workers due to job rotation, though agreed to train the multi-functional worker and to prevent the WMSDs. Application: The results can be used for the fundamental data how the job rotation will be properly implemented in medium- and small-industry as an administrative control for MSDs.

• Journal of Acupuncture Research
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• 제18권2호
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• pp.37-50
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• 2001

Objects : This study is to be applied effectively to the acupuncture treatment for VDT syndrome. Methods : I referred to occidental and oriental medical records. Results and Conclusion : VDT syndrom is the concept focalizing work environment and labor load, and named all that symptoms according to excessive VDT works. The disorders of VDT syndrome is divided into 2 groups with muscaloskeletal disorders and non-musculoskeletal disorders, and non-musculoskeletal disorders is secondly divided into 3 groups with visual disorders, stress disorders and others. The risk factor of VDT syndrome is divided 4 groups with repetitive acts, consistent works, uncomfortable work postures, unprofitable light environments, jobs needs for excessive power and mental or physical fatigues. In oriental medicine area, I apply VDT syndrome to Kyunbitong(jianbeitong, 肩臂痛) to base on similarities of the risk factors and disorders between VDT syndrome and Kyunbitong(jianbeitong, 肩臂痛), that is painful illness on shoulders, arms, hands and fingers. And, Kyunbitong(jianbeitong, 肩臂痛) is divided 3 groups into Susamuhm(shousanyin, 手三陰), Susamyang(shousanyang, 手三陽) and Joktaeyang(zutaiyang, 足太陽) on the ground of meridian. Disorders related to Kyunbitong(jianbeitong, 肩臂痛) is grounded on kyungmaek(Jingmai, 經脈) disorder called sidongbyung(shidongbing, 是動病) and sosaengbyung(suoshengbing, 所生病) and Kyungkeun(Jingjin,經筋) disorder related to Kyunbitong(jianbeitong, 肩臂痛). As a result of this study, there is many similarities between VDT syndrome and Kyunbitong (jianbeitong, 肩臂痛). On acupuncture treatment, VDT syndrome can be applied to Kyunbitong(jianbeitong, 肩臂痛)'s on the basis of meridians, because of similarities of risk factors and disorders between VDT syndrome and Kyunbitong(jienbeitong, 肩臂痛).

• 한국산학기술학회논문지
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• 제13권8호
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• pp.3552-3560
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• 2012

본 연구는 한 비철금속 제조업 생산직 남성 근로자들의 인구사회학적특성, 건강관련행위 특성 및 직업관련 특성별 근골격계 자각증상호소율을 파악하고 그의 관련요인을 알아보고자 시도하였다. 조사대상은 대전광역시 소재한 비철금속 제조업체 근로자 302명을 대상으로 하였으며, 2011년 5월 1일부터 6월 30일까지의 기간 동안에 표준화된 무기명식 설문조사를 실시하였다. 연구결과, 연구대상자의 근골격계 질환 발생부위별 증상 호소율은 어깨부위의 증상이 42.7%로 가장 높았고, 다음은 허리부위 36.8%, 목 부위와 손/손목/손가락 부위가 각각 30.5%, 다리/발 부위 30.1%, 팔/팔꿈치 부위 20.9%의 순위였다. 인구사회학적 특성별 근골격계 자각증상 호소율은 연령, BMI가 낮을수록, 주관적인 건강상태가 좋지 않다는 군에서 유의하게 높았다. 건강관련 행위 특성별 자각증상 호소율은 질병으로 인한 결근한 적이 있다는 군, 외래 진료를 받은 적이 있다는 군, 입원진료를 받은적이 있다군, 규칙적인 운동이 비운동군, 수면시간이 부적당한 군에서 유의하게 높았다. 직업관련 특성별 자각증상 호소율은 업무의 신체적 부담정도가 힘들다는 군, 허리를 구부리는 작업을 하는군, 직장생활에 만족하지 않는다는 군, 근속기간이 10년 이상인 군, 허리를 구부리는 작업을 한다는 군, 반복 작업을 한다는 군에서 유의하게 높았다. 결론적으로, 생산직 남성근로자들의 근골격계 자각증상은 여러 인구사회학적 특성, 건강관련 행위특성 및 직업관련 특성과 유의한 관련성이 있었다.