• 국제물리치료학회지
• /
• 제12권1호
• /
• pp.2302-2307
• /
• 2021

Background: Patients with lumbar spinal stenosis show abnormal changes in muscle activity due to pain and limited range of motion of the lumbar spine. Excessive increased muscle tone and decreased muscle activity patterns threaten the patients' quality of life. However, there have been a few studies showing how to improve muscle performance in patients with lumbar spinal stenosis. Among these, joint mobilization is one way of improving muscle performance through pain relief and increasing the range of motion. Objectives: To investigate the effect of lumbar mobilization by orthopedic manual physical therapy on paravertebral muscle activity and tone in patients with lumbar spinal stenosis. Design: A randomized controlled trial. Methods: In this study, 24 patients with lumbar spinal stenosis were randomized (1:1 ratio) into two groups. The experimental group underwent lumbar posteroanterior mobilization, and the control group underwent conventional physical therapy (conventional transcutaneous electrical nerve stimulation) for 15 minutes each. For outcome measures, Myoton^®PRO was used to evaluate muscle tone when resting of the paravertebral muscle in the pain area. For muscle activity evaluation, the reference voluntary contraction of the paravertebral muscle was evaluated using surface electromyography. Results: Muscle tone and activity were significantly improved after intervention in both the experimental and control groups. In addition, the experimental group showed more significant decrease in muscle tone and activity than the control group. Conclusion: These results suggest that lumbar mobilization improving muscle performance in patients with lumbar spinal stenosis.

• 기술사
• /
• 제17권4호
• /
• pp.40-49
• /
• 1984

The first national QC Circle Convention sponsored by Industry Advancement Administration in 1975 was the beginning of employees group activity from a national point of view. Subsequently some events such as the firs Nationwide Factory Seamaul activity small Group Convention, which was supervised by the ministry of Trading and Industry and Factory Seamaulundong promotion Center, paved the way for proliferation of the group activity through all kinds of manufacturing. Although since November 1982 these two conventions has been united, many problems have been disclosed that are against the basic principles more or less. Worker's group activity is, essentially, a trouble shooting oriented voluntary small group within their working place to improve the surroundings creatively. In practice, however, many groups are so typical and so impetuous of the material effect that it is worried to be inclined to outform rather than contents. To prevent this point it is recommended that worker's group activity be promoted continuously and on the basis of the original principle of small group activity to obtain practical and rich results, and systematically to be more effective and active considering the managerial environment and the intellectual level of the consisting members.

• 대한치과보철학회지
• /
• 제28권2호
• /
• pp.175-182
• /
• 1990

This study was performed to investigate the influence of occlusal change on the masticatory muscle activity. 8 students without any symptom of T.M.J. dysfunction, any history of prosthodontic or orthodontic treatment on dental college of WonKwang Univ. were participated in this study. The activity of masseter and anterior temporal muscles were measured by bioelectric processor(EM2, Myotronics, Inc., U.S.A.) during voluntary maximal clenching on natural teeth, by splint with bilateral posterior surface contact, by splint with unilateral posterior surface contact, and by splint without unilateral posterior teeth contact. The obtained results were as follows ; 1. The loss of posterior contact on noe side resulted in change of the activity of anterior temporal and masseter muscle during clenching on ipsilateral side, but there was no change of muscle activity on contralateral side. 2. The activity of anterior temporal and masseter muscle during clenching were not affected by the pattern of occlusal contact. 3. There were no difference between the activity of anterior temporal and masseter miuscle during clenching by natural teeth and by occlusal splint.

• Physical Therapy Rehabilitation Science
• /
• 제10권4호
• /
• pp.487-492
• /
• 2021

Objective: This study aimed to identify the effects of assuming two types of posture (standing and kneeling) during squat exercise on lower body muscle activity. Design: Cross-sectional study Methods: Twenty-five healthy adults (18 men and 7 women) were instructed to perform the squat exercises while assuming two types of posture (standing and kneeling). EMG (Electromyography) data (% maximum voluntary isometric contraction) were recorded three times from the rectus femoris (RF), gluteus maximus (GMax), gluteus medius (GMed) and biceps femoris (BF) of participant's dominant side and the mean values were analyzed. Results: During the squat exercise with all postures, there was statistically significant difference on rectus femoris, gluteus maximus, gluteus medius, and biceps femoris muscle activity (p<0.05). The results showed that, there was significantly greater rectus femoris, gluteus medius, and biceps femoris muscle activity in standing posture than in kneeling position (p<0.05). However, the gluteus maximus muscle activity was significantly greater with kneeling posture compared to standing posture (p<0.05). Conclusions: With standing posture, it is showed that rectus femoris, gluteus medius, and biceps femoris muscle activity was greater than kneeling position. While the gluteus maximus muscle activity with standing posture was less than with kneeling posture. Therefore, it is considered that this study can be used as a selective indicator of exercise posture for strengthening specific muscle or weakness caused by paralysis.

• 지식경영연구
• /
• 제15권2호
• /
• pp.23-41
• /
• 2014

Firms increasingly utilize Social Networking Service(SNS) to lead user's voluntary behavior. In the web-based environment, users show coexist loyal behavior which is represented by 'web-based pro-organization citizenship behavior' and 'anti-citizenship behavior'. To measure genuine performance of web-activity, we separated degree of compliance based on credibility, 'deep-level' and 'surface-level' to comprehend different behavior after compliance. The analysis result shows that contents credibility is important to enhance deep-level of compliance which has significant influence on web-based pro-organization citizenship behavior. Contrastively, surface-level of compliance has influence on anti-citizenship behavior. Based on the results of these analyses, the directions of web-based activities for the common good and self-interests of the stakeholders of the web-based activities will be proposed.

• 노동경제논집
• /
• 제41권1호
• /
• pp.39-81
• /
• 2018

본 연구는 비정규직 근로자가 노동시장에서 사용자와 자발적 계약에 의한 매칭이 실현되는가에 주목하고 기업규모별로 입지가 다른 상황을 고려하여 비자발적 선택 요인을 분석하였다. 이를 위해 노동이동에 관한 push/pull 이론 하에서 자발적/비자발적 비정규직으로 분류하였다. 2016년 8월 경활 부가조사에 의하면 기업규모가 작아질수록 비자발적 비정규직의 비중이 자발적 비정규직보다 더 크게 나타났다. 실증분석 결과, 대기업에서의 비정규직은 자발과 비자발로 구분하는 것이 의미를 갖지 못하였다. 이에 비해 중소기업과 영세기업에서는 장년층, 저학력일수록 비자발적 선택 가능성이 증가하였고 영세기업에 비자발적으로 입직할 유인이 중소기업보다 크게 나타났다. 그러므로 비정규직에 관한 정책을 마련함에 있어서 우선적으로 2차 노동시장의 비자발적 비정규직을 정책 대상으로 삼고, 비자발적 선택 이유가 되는 보상, 전공 경력의 미스매칭 문제에 주목할 필요가 있다. 중소 영세기업의 급여 및 근로조건 개선뿐만 아니라 직무능력 및 경력에 맞는 일자리 정보를 제공하는 고용서비스 시스템이 확충되어야 할 것이다.

• 산업경영시스템학회지
• /
• 제13권22호
• /
• pp.99-111
• /
• 1990

The first national QC Circle Convention sponsored by Industry Advancement Administration in 1975 was the beginning of employees group activity from a national point view. Subsequently some events such as the first nationwide Factory Seamaul activity small Group Convention, which was supervised by the ministry of Trading and Industry and Factory Seamanulundong promotion Center, paved the way for proliferation of the group activity through all kinds of manufacturing. Although since November 1982 these two conventions has been united, many problem have been disclosed that are against the basic principle more or less. Worker's small group activity is, essentially, a trouble shooting oriented voluntary small group within their working place to improve the surroundings creatively. In practice, however, many groups are so typical and so impetuous of the material effect that it is worried to be inclined to outform rather than contents. Effective small group activities are presumed to he successful only with labor management cooperation on the basis of human-oriented management philosophy. The small group activities are also prevalent in service sector. More derivative methods have been developed and more members are willingly participating in training programs. The small group which is basically a horizontal organization unit, promotes communication within the whole organization. In consideration of the social circumstances and traditions, the flexible model of the small group activities suitable to the corporate environment, will contribute to industrial development.

• International Journal of Contents
• /
• 제16권1호
• /
• pp.57-64
• /
• 2020

We sought to compare upper extremity muscle activity between handwriting on paper and touchscreen with dominant and non-dominant hands in younger adults (age 23.90±1.12) and the elderly (age 75.55±5.76). Muscle activity (percent of maximum voluntary contraction) in the biceps brachii muscle, triceps brachii muscle, flexor carpi ulnaris muscle, and extensor carpi ulnaris muscle was measured using an electromyography device. As a result, our data indicate that muscle activity is lower in younger adults than the elderly. Besides, muscle activity is lower in the dominant versus non-dominant hand, and lower when writing using a touchscreen than on paper. These results can be used to support recommending touchscreens in the elderly. Also, they can be used as baseline data for comparing the performance of non-paretic side and paretic side in patients relative to the central nervous system.

• 지역연구
• /
• 제32권4호
• /
• pp.75-90
• /
• 2016

한국 지역신협은 1960년부터 설립되기 시작하였다. 조합원의 자발적인 운동을 통해 설립되고 성장해 왔다는 점에서 우리나라의 다른 금융협동조합과는 차별성을 지니고 있다. 그러나 최근 들어 그것의 정체성이 약화되고 있다는 비판이 제기되고 있다. 그러나 기존 논의는 지역신협의 성장이 무엇을 의미하는지에 대해 거의 주목하지 않는다. 이러한 문제의식에 입각하여 본 논문은 지역신협의 성장방식을 분석하고 그것의 특징을 도출하려 한다. 이러한 목적을 수행하기 위해 본 논문은 신협 중앙회에서 제공한 2004년~2015년 개별조합의 재무제표와 대출 및 예금 자료를 이용하였는데, 이 논문에서 밝혀낸 것은 다음과 세 가지이다. 먼저, 2000년대 지역신협의 성장에는 성장논자의 논리가 반영되어 있다. 둘째, 지역신협의 성장은 자금조달면에서는 비과세 예금에 그리고 운용면에서는 거액대출, 담보대출 및 기타담보대출에 의존하고 있다. 셋째, 지역신협의 성장방식은 장기적으로 자산건전성에 도움이 되지 않으며 수익성에도 그다지 도움이 되지 않는다. 이러한 결과는 지역신협의 지속가능성에 부정적이다. 지역신협은 협동조합으로서 정체성을 강화하여 지역밀착경영을 강화할 필요가 있다.

• 디지털융복합연구
• /
• 제12권11호
• /
• pp.515-530
• /
• 2014

본 연구의 목적은 평생교육의 참여 동기가 평생교육 이용자의 태도변화에 미치는 영향을 실증적으로 살펴보는데 있다. 평생교육의 참여 동기는 소비자행동 중심의 외면적 동기와 자아활동 중심의 내면적 동기로 구분한 후, 외면적 관점은 실용적, 오락적, 관계적 이용 동기로, 내면적 관점은 자아실현, 자아존재, 자아참여 이용 동기로 구분하였다. 평생교육 참여자의 태도변화는 통제된 열등의식 해소, 유보된 욕망 충족, 자발적 재사회화로 구분하여 측정하였다. 연구 결과, 평생교육에 대한 실용적 동기는 자아실현적 동기와, 오락적 동기는 자아존재적 동기와, 관계적 동기는 자아참여적 동기와 높은 관련성이 있는 것으로 조사되었다. 평생교육 참여자의 통제된 열등의식 해소에는 이용동기 중 실용적 이용 동기와 자아실현적 이용 동기가, 평생교육 참여자의 유보된 욕망 충족에는 이용동기 중 오락적 이용 동기와 자아존재적 이용동기가, 평생교육 참여자의 자발적 재사회화에는 이용동기 중 관계적 이용동기와 자아참여적 이용동기가 상대적으로 더 큰 영향을 미치는 것으로 조사되었다.