• 대한의용생체공학회:의공학회지
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• 제40권1호
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• pp.15-19
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• 2019

In this study, Theta Gamma Coupling (TGC) analysis was carried out after performing simple and repeated upper limb exercise and comparative experiment to observe changes in the motor cortex of the brain through TGC and to see if mobile rehabilitation therapy is actually effective. As a result, exercise using mobile devices showed higher TGC values in motor cortex as compared with simple repeat upper limb exercise. In addition, paired t-test using SPSS showed statistically significant difference between exercise using mobile devices and simple repeat exercise at P3(t=3.390, df(degree of freedom)=12, p value=0.005). Exercise using mobile devices is effective for rehabilitation because it increases the Theta-Gamma Coupling and activates the motor cortex. Also, since the mobile game contents required the subject to detailed athletic ability adjustment with immersion in the task, it may be thought that brain activation is stronger than simple rehabilitation.

• 감성과학
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• 제20권4호
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• pp.41-54
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• 2017

신체활동은 노화로 의한 인지기능 저하에 긍정적 영향을 미친다. 하지만 신체활동 참여가 정서인지기능에 미치는 영향을 과학적으로 밝혀 낸 연구는 드물다. 따라서 본 연구의 목적은 청년기와 노년기 성인의 정서인지 기능에 신체활동 참여가 어떠한 영향을 미치는지를 뇌 과학적으로 연구하는 것이다. 연구의 피험자는 D 광역시 성인 남성 60명으로 선정하였으며, 청년 운동 집단(25~35살), 청년 비 운동 집단(26~35살), 노년 운동 집단(60~70살), 노년 비 운동집단(60~70살) 4개의 집단으로 구성하였다. 실험도구는 EEG 측정 장비와 국제정서사진체계(International Affective Picture System: IAPS)를 사용하였다. 본 연구의 실험과제는 사진으로 제시하는 세 가지 정서자극(긍정적, 중립, 부정적)에 적합한 버튼을 눌러 정서적인지 검사를 실시하였다. EEG 측정은 8개(Fp1, Fp2, Fz, C3, C4, Cz, T3, T4)의 영역을 측정하였다. 통계처리는 4(집단)${\times}$3(자극)${\times}$8(영역)에 대한 삼원분산분석을 실시하였다. 결과: 본 연구 결과, 반응시간과 반응정확률 그리고 P3 잠재기는 집단간 주효과가 나타났다. 그리고 P3 진폭은 집단과 자극간 상호작용이 나타났다. 결론: 신체활동은 청년층과 노년층의 정서적 인지기능에 긍정적인 영향을 미치는 것으로 나타났다.

• 한국보건간호학회지
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• 제3권2호
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• pp.143-156
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• 1989

This study was done in order to analyze the factors which influenced the performance level of urban family planning health personnels' task. Interview survey was done during the period May, 1989. Interviewee were 130 family planning health personnels among total of 140 family planning health personnels in Seoul metropolitan city area. The internal consistency reliability was tested by Cronbach’s Alpha and the construct validity of the survey tool was tested by Factor analysis. Multiple stepwise regression analysis was used to identify major factors influenced to perform family planning health personnels' task. The results of this study were summarized as follows: 1. The internal consistency reliability was high and very significant (Cronbach's Alphs=0.8445, p<0.0000). 2. The construct validity was high and very significant. This analysis was contained 5 factors; registering and keeping of eligible woman records, health educating for FP & MCH, referral for vasectomy and tubal ligation and loop, supplying contraceptive appliances, sending moved-out eligible woman records. 3. Among a total of 15 contents of their functions recording of daily report and monthly report (76.2%), classifying and keeping of records(66.2%), registering of eligible woman records(60.85ti), distribution of leaflets and pamplets(54.6%), counselling & supervision about family planning(53.8%) were actively performed. Sending moved-out eligible woman records(60.8%), health education for community people(49.2%), referring contraceptors' side-effects were poorly performed. 4. The factors which influenced the performance level of urban family planning health personnels' function were age, marital status, educational level, certification, number of residents, number of eligible women, job car-eer, work responsibility, job satisfaction knowledge, position, cooperation of community people, cooperation of Dong Office, cooperation of Health Center. These 14 variables were able to explain job function from 21.4% of follow-up care of contraceptor to 9.1% of classifying & keeping of eligible woman records.

• 대한물리의학회지
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• 제15권3호
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• pp.99-108
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• 2020

PURPOSE: This study examined the effects of the confusion level in performing dual tasks using smartphones while walking in subjects with chronic ankle instability (CAI). METHODS: Twenty subjects with CAI and 20 healthy subjects participated in the study. The spatial, temporal, spatial-temporal, and variability gait parameters were measured using GAITRite under four different conditions: general gait, web surfing during gait, texting during gait, and gaming during gait. Two-way repeated-measures analysis of variance was used to analyze the interaction according to the group (2) and confusion level in dual-tasks (4). One-way repeated-measures analysis of variance was used to compare the changes within the group according to the confusion level in dual-tasks. The changes between groups were compared using an independent t-test. The statistical significance level was set to p = .05. RESULTS: Significant interactions in the temporal and spatial-temporal gait parameters were found between the dual-task conditions and the other groups (p < .05). Significant within-group differences in the spatial, temporal, and spatial-temporal gait parameters were found according to the confusion level in dual tasks (p < .05). Significant between-group differences were observed in the temporal and spatial-temporal gait parameters according to the confusion level in dual tasks (p < .05). CONCLUSION: The effect of the confusion level in dual tasks was greater in subjects with CAI than in healthy individuals. This study suggests that to prevent reinjury to the ankle, subjects with CAI should avoid dual tasks such as using smartphones while walking.

• 한국학교수학회논문집
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• 제22권2호
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• pp.95-113
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• 2019

본 연구에서는 2015 개정 수학과 교육과정에 따른 고등학교 1학년 <수학>교과서에 제시된 교과 역량을 함양하기 위한 과제의 인지적 요구 수준을 분석하였다. 9종의 <수학>교과서는 4999개의 수학 과제를 포함하였고 그 중 수학 교과 역량을 함양하기 위한 과제는 703개였다. Stein, Smith, Henningsen, & Silver(2000)의 분석틀을 바탕으로 703개의 교과 역량 함양 과제를 분석한 결과, 학생들의 높은 인지적 수준을 요구하는 과제 비율은 61.5%, 학생들의 낮은 인지적 수준을 요구하는 과제 비율은 38.5%였고 그에 따른 과제유형의 비율은 Low-M 1.0%, Low-P 37.5%, High-P 57.8%, High-D 3.7%로 나타나 수학 교과 역량을 함양하기 위한 과제의 대부분이 절차적 과정을 따라 수학적 개념, 원리, 과정 등을 이해하도록 유도하는 과제임을 알 수 있었다.

• 한국치위생학회지
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• 제5권1호
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• pp.1-13
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• 2005

The study aimed to estimate the importance of job tasks, job training requirement and work satisfaction felt by dental hygienists to help dental hygienists work efficiently and effectively. A total of 142 dental hygienists working in dental hospitals located in J participated in the study. A SPSS 10.10 for Windows was used for statistical analysis. The statistical significance was defined as ${\alpha}$=.05. The results of the study are summarized as follows: 1. The mean score for the importance of job tasks was 4.09. The respondents considered dental clinic management and assistance to dentists the most important among their job descriptions showing the mean score of 4.44. The need for job training was 4.15 in average. The respondents wanted to have training on how to make a dental health insurance claim to receive payment other than any training with the mean score of 4.42. The work satisfaction of the respondents was 3.65 in average. The respondents were most satisfied with their work in dental assistance. 2. By the category of job tasks, the levels of importance of job tasks, job training requirement and work satisfaction were higher in plague removal with an ultrasonic scaler related to clinical oral prophylaxis, pit and fissure sealants related to preventive dental treatment and instruction in the correct usage of toothbrush related to public dental health education 3. In dealing with dental radiation machines, the radiation protection was considered the most important. While the training for periapical radiography was most needed, the respondents were satisfied with working in the same area. The levels of job importance, training requirement and work satisfaction were high in preventive dental care in the community performed in relation to the public dental health care. 4. In the dental health insurance claim category, the levels of importance of job task, training requirement and work satisfaction were higher in insurance claiming. The levels of job importance and training requirement were high in dental clinic management and assistance to dentists performed for preventive dental treatment. The work satisfaction was higher in maintaining medical chart records. The levels of job importance, training requirement and work satisfaction were higher in dental assistance in relation to dental protection. 5. There was significant relationship between the level of importance and work experience. Those with a longer period of work experience had higher levels of job importance in dental health insurance claim, dental clinic management and assistance to dentists and the overall task(pE0.05). 6. A significant relationship was observed between the need for job training in dental cleaning and preventive dental treatment and work experience. Those with more than 8 years of work experience demonstrated that job training is most needed(pE0.05). 7. The work satisfaction level was higher in the group with more than 8 years of work experience, compared with those in other work experience periods(pE0.05). 8. A positive correlation was seen between the level of importance and the need for job training among three variables.

• 한국식품영양학회지
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• 제23권2호
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• pp.203-211
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• 2010

The principal objective of this study was to evaluate the perceived management performance and importance level of nutrition teachers by school administrators in the Chonbuk area. Self-administered questionnaires were collected from 142 school administrators. Statistical data analysis was completed using SPSS v. 12.0. Approximately 74.6% of the subjects were men. About 37% of subjects were principals, 33% were vice principals, and 35% were administrative directors, with over 60% aged 40~50 years(p<0.05). Among the 142 schools evaluated, 82.7% were located in urban areas and 17.3% were in rural areas. About 98% of the schools served meals in the dining room(p<0.05). Approximately 68% of the schools employed nutrition teachers and 33.4% had school dietitians(p<0.001). The result indicated that the overall importance level(4.24) was higher than the performance level(3.97)(p<0.001). In a survey of the degree of task performance by nutrition teachers, administrators regarded sanitation management was evaluated as the most important performance parameter(4.49), other management attributes as very important parameters(4.41), with nutrition counseling being much less important(2.76) and meal service being least important(3.29; except for classroom teachers). According to the title of the subjects, evaluations of administrative directors were lower than evaluations of principals and the vice principals. The results indicate that nutrition teachers should not only have meal service management as their main duty, but should also be involved in constructing a life-long health management system for students and teachers by conducting nutrition education and counseling, and should be active in the development of nutrition education programs and in the duties of sanitation management of school meals.

• 재활치료과학
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• 제8권1호
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• pp.41-50
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• 2019

목적: 본 연구의 목적은 건강한 성인을 대상으로 양측상지기능 훈련을 통해서 활성화 되는 대뇌 연결성에서 상상 훈련과 신체적 수행 간에 차이가 있는지를 알아보고자 한다. 연구방법: 연구 대상자는 건강한 성인 1명으로 상상훈련과 신체적 수행 시 EEG 측정이 이루어졌다. 양측상지기능 훈련은 대칭 과제와 비대칭 과제로 구성되었다. 대칭 과제는 양손으로 박스를 잡고 동시에 위의 선반으로 올렸다가 다시 내려놓는 과제이고, 비대칭 과제는 한 손으로 병을 잡고 다른 한 손으로 뚜껑을 여는 과제였다. EEG 전극은 Fp1, Fp2, F3, F4, T3, T4, P3 및 P4에 부착되었다. 데이터 분석은 EEG 전극 쌍 간의 상관 분석을 위해 Cross-Line Mapping을 사용하였다. 결론: 본 연구 결과 대칭 및 비대칭의 양측 상지 과제에서 대뇌 연결성 패턴은 운동과 감각 영역에서 유사한 패턴을 가지는 것으로 나타났다. 또한 본 연구를 통해 양측상지기능 훈련 시 상상훈련보다 신체적 수행에서 대뇌 연결성이 더 높은 상호상관을 갖는다는 것을 확인하였다.

• Safety and Health at Work
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• 제2권3호
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• pp.236-242
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• 2011

Objectives: To determine the feasibility of predicting static and dynamic peak back-compressive forces based on (1) static back compressive force values at the lift origin and destination and (2) lifting speed. Methods: Ten male subjects performed symmetric mid-sagittal floor-to-shoulder, floor-to-waist, and waist-to-shoulder lifts at three different speeds (slow, medium, and fast), and with two different loads (light and heavy). Two-dimensional kinematics and kinetics were captured. Linear regression analyses were used to develop prediction equations, the amount of predictability, and significance for static and dynamic peak back-compressive forces based on a static origin and destination average (SODA) backcompressive force. Results: Static and dynamic peak back-compressive forces were highly predicted by the SODA, with R2 values ranging from 0.830 to 0.947. Slopes were significantly different between slow and fast lifting speeds (p < 0.05) for the dynamic peak prediction equations. The slope of the regression line for static prediction was significantly greater than one with a significant positive intercept value. Conclusion: SODA under-predict both static and dynamic peak back-compressive force values. Peak values are highly predictable and could be readily determined using back-compressive force assessments at the origin and destination of a lifting task. This could be valuable for enhancing job design and analysis in the workplace and for large-scale studies where a full analysis of each lifting task is not feasible.

• 대한작업치료학회지
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• 제26권4호
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• pp.111-125
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• 2018

목적 : 본 연구는 그룹감각통합치료가 지적장애아동의 감각처리와 또래상호작용, 과제수행에 미치는 영향과 그 효과의 지속여부를 알아보고자 하였다. 연구방법 : 본 연구는 만 7세 이상 13세 미만의 아동 12명을 대상으로 주 3회 60분씩 8주 동안 진행하였다. 그룹감각통합치료는 감각처리와 놀이기술, 또래와의 상호작용이 포함된 총 24가지 주제에 맞는 활동으로 구성되었으며, 대상자를 선별하기 위하여 단축감각프로파일을 사용하였다. 결과를 측정하기 위하여 단축감각프로파일과 또래놀이 상호작용 평점척도, 캐나다 작업수행 측정을 사용하여 대상자의 감각처리와 또래상호작용, 과제수행의 사전 사후 추적 평가를 실시하였다. 측정 결과는 반복측정 분산분석을 사용하여 사전 사후 추적조사의 평균 점수 차이를 분석하였고, 윌콕슨 순위검정을 사용하여 사전 사후 추적조사의 변화의 차이를 비교하여 분석하였다. 결과 : 그룹감각통합치료 중재 이후 대상자들의 감각처리와 또래상호작용, 과제수행에 유의한 향상을 보였다(p<.05). 4주후 실시한 추적조사에서 치료의 효과가 유지되는 것을 확인하였다. 결론 : 그룹감각통합치료는 감각처리능력의 증진뿐만 아니라, 또래상호작용이 필요한 학령기 아동들에게 모방과 그룹 안에서의 연습을 제공하고, 일상생활까지 그 효과를 연결할 수 있는 효과적인 중재방법이다.