• Fashion & Textile Research Journal
• /
• v.11 no.4
• /
• pp.602-613
• /
• 2009

This study aims to improve the fit of middle and high school girls' uniforms. This study researched on the sizing system reflecting their body figures. The results are as follows. First, to classify the middle and high school girls' figures, factor analysis, and cluster analysis were conducted. 4 factors were extracted for upper body of the middle school girls, and 5 factors were extracted for the highschool girls. For the lower body, 3 factors were extracted for both the middle and high school girls. The middle school girls were then divided into 4 groups for the upper body and 4 groups for the lower body. The high school girls were divided into 4 upper and lower body groups. Third, KS size intervals were used for frequency distribution of height and bust for the bodice, height and waist for the lower body. Sizing system of the uniform company and the frequency distribution of sizes were compared. As a result, sizing system of the uniform company and the frequency distribution overlapped very little. Fourth, sizing system considering body type distribution and high frequency distribution of sizes was suggested. As a result when 6 sizes were suggested 30% of the population was covered, and when 11 sizes were suggested 55% of the population was covered.

• Journal of the Korean Dietetic Association
• /
• v.17 no.3
• /
• pp.259-275
• /
• 2011

The purpose of this study was to determine the factors related to eating behavior of breakfast and dietary life score in elementary, middle, and high school students. This study was conducted by administering questionnaires, and data were analyzed by the SPSS program. The subjects were divided into three groups according to school group (elementary, middle, and high school). The subjects consisted of 1,879 students (male 973, female 906) from 11 schools in Kyungpook. The distribution of subjects was as follows: elementary school children 682, middle school students 702, and high school students 495. The results are summarized as follows. Dietary life score was 72.64 for elementary school students, 64.77 for middle school students, and 62.67 for high school students. Frequency of eating breakfast and reasons for skipping breakfast were significantly different according to school group (P<0.001, P<0.01, respectively). The main reason for skipping breakfast was 'habitual skip' for elementary and middle school students (54.8%, 46.7%) and 'getting up too late' in high school students (55.4%). There were no significant association between frequency of eating breakfast and BMI. However, there were significant differences in school performance and sleeping hours according to frequency of eating breakfast (P<0.001, P<0.01, respectively). Dietary life score was significantly different according to frequency of eating breakfast (P<0.001). These results stress the need for intervention programs aimed at decreasing the frequency of skipping breakfast in children and students at school. Further, those who prepares meals for children must increase their concern about preparing breakfast.

• Journal of the Korean Dietetic Association
• /
• v.11 no.4
• /
• pp.449-461
• /
• 2005

This study was performed to investigate the preference and consumption pattern on milk and milk products of middle and high school students. The subjects were 1,195 students(590 middle school and 605 high school students) living in Geochang area. The survey was conducted by using a self-administered questionnaire in November, 2004. The results were as follows. Sixty-three point four percent of the subjects liked milk, and the main reason was 'accelerate growth and development'(55.4%). Preferred tastes of milk were 'savory taste'(35.4%) and 'sweet taste' (29.9%). Banana milk, chocolate milk, strawberry milk, ice cream, yoplait and yogurt were highly preferred. General preference for different kinds of milk was significantly higher in high school students and male students than in middle school students and female ones. With regard to preference for dairy products, cream (p<0.01) and butter(p<0.05) was preferred more by male students than by female ones, ice cream(p<0.05), yoplait (p<0.05) more by female students than male ones. The score of milk intake frequency was 3.84(3-4 times a week) out of 5 points(7 times a week) for white milk, and that of chocolate milk was 1.98, banana milk 1.96, strawberry milk 1.72, coffee milk 1.65, showing that these products were drank less then once a week. In addition, the white milk intake frequency was significantly higher in middle school students and male students than in high school students and female students(p<0.001). Preference for milk showed a positive correlation with preference for dairy products (r=0.543, P<0.001) and frequency of milk intake(r=0.429, P<0.001). This suggests that those who prefer milk high tend to prefer dairy products and to show high milk intake frequency. In addition, milk intake frequency was in a high positive correlation with dairy product intake frequency(r=0.648, P<0.001).

• Proceedings of the Korea Electromagnetic Engineering Society Conference
• /
• 2003.11a
• /
• pp.18-22
• /
• 2003

In this thesis, Middle frequency wave propagation modeling is studied for the varies mountain geography the experimented middle frequency propagation model is researched in a shot time to analyze the broad area that consists of mountains. Due to the Sommerfeld - Norton model which is used broadly the middle frequency propagation model to analyze the broad area in a short time is proposed introducing the newly attenuation parameter of the experimental results on the basis of actual experiments at the mountain configuration regardless of the area of mountain, plane, sea etc.

• Journal of the Korean Society of Food Culture
• /
• v.31 no.3
• /
• pp.205-212
• /
• 2016

The purpose of this study was to investigate the nutrition knowledge, perception, and intake frequency of milk and milk products among middle school students as well as provide the basic data needed for increasing milk and milk product consumption. To achieve the purpose of this study, a survey with 385 students of four middle schools located in Chuncheon was conducted. The level of nutrition knowledge of milk and milk products in females was slightly higher than that in males (p<0.01). Flavored milk and ice cream were preferred the most in each category, and 'taste' influenced the selection of milk and milk products the most. The intake frequency of whole milk was the highest, and that of flavored milk was lowest among various milks. Ice cream showed the highest intake frequency while cheese showed the lowest among milk products. Male students showed higher intake frequency of milk and milk products. Groups having high level of nutrition knowledge showed the highest intake of whole milk, whereas groups having a low level of nutrition knowledge preferred processed milk, low fat or non-fat milk, and cheese the lowest.

• Journal of the Korean Dietetic Association
• /
• v.17 no.1
• /
• pp.18-31
• /
• 2011

The purpose of this study was to evaluate the dietary behaviors as well as energy and nutrient intake in elementary and middle school students according to breakfast eating status. The survey was conducted using questionnaires and dietary records among 191 elementary school students and 280 middle school students residing in Chungnam. The subjects were divided into two groups according to frequency of eating breakfast: breakfast skipping (frequency of eating breakfast under 4 times/week) and breakfast eating (frequency of eating breakfast over 5 times/week). The rate of breakfast skipping was 27.2% for the elementary school students and 31.1% for the middle school students. The breakfast skipping group had a significantly lower frequency of having dinner, a lower proportion of eating at regular meal times, and a significantly higher frequency of leaving food after meals than the breakfast eating group for both elementary and middle school students. In the case of the elementary students, there was a significant difference in carbohydrate intake between the two groups. In the case of the middle school students, the intakes of energy, protein, carbohydrate, dietary fiber, vitamin A, vitamin B2, niacin, vitamin B6, folate, vitamin C, Ca, and Fe in the breakfast skipping group were significantly lower than those in the breakfast eating group. These results show that nutrient deficiencies among breakfast skipping individuals cannot be compensated for at the other meals during the day in middle school-aged adolescents whose nutrient requirements are high for growth. Therefore, in support of proper dietary management, it is necessary to promote and support breakfast eating in adolescents.

• Biomedical Science Letters
• /
• v.19 no.1
• /
• pp.55-60
• /
• 2013

This study was to know the effects of massage on the back region in order to reduce stress in middle age women. To investigate the effects of massage to the stress levels of middle aged women, we evaluated blood pressure (BP), heart rate variability (HRV), and ultrasonography before and after back massage. The blood pressure after massage was reduced when compared to that of pre-massage. The HRV spectrum analysis was used Frequency domain analysis such as Mean HRV, normalized low frequency (norm LF), norm high frequency (norm HF), and LF/HF ratio. Post-massage BP tended to be low, but not statistical significant. After Massage, the Mean HRV, norm LF, and LF/HF ratio were significantly reduced, while norm HF was significantly increased as compared with pre-massage. The muscle layer and fat layer were significantly diminished by massage. The study was suggested that massage may be an effective treatment for relief of stress.

• International Journal of Contents
• /
• v.10 no.3
• /
• pp.90-95
• /
• 2014

The purpose of this study was to analyze the changes in muscle fatigue by using electromyography (EMG) measurements of the median frequency of shoulder muscles of patients who underwent rotator cuff repair, and to provide basic data for efficient exercise methods during rehabilitation after the repair. In the study, 24 male and 8 female patients who underwent rotator cuff repair performed continuous passive shoulder joint motion for 3 weeks and the median frequency of their shoulder muscles before and after the repair were compared using measurements by EMG. The infraspinatus, supraspinatus, and serratus anterior muscles showed significant differences in the changes in the median frequency before and after the repair. Significant differences were also found in the median frequency of the three muscles both before and after the repair. Additionally, the middle deltoid muscle had a lower median frequency than the supraspinatus muscle before the repair and the infraspinatus muscle had a lower median frequency than the middle deltoid muscle after the repair. It is expected that these results will serve as important data in developing rehabilitation exercise programs for the infraspinatus, supraspinatus, and serratus anterior muscles by compensating the middle deltoid muscle with the lowest muscle fatigue after the rotator cuff repair erase.

• Korean Journal of Community Nutrition
• /
• v.21 no.1
• /
• pp.37-52
• /
• 2016

Objectives: This study was performed to develop an assessment tool for middle aged women's health status based on dietary patterns, which will have practical applications in the working field of health and hygiene, aiming at improving the middle aged women's quality of life through their health improvement. Methods: As a first step, a literature review was conducted and the original data of '2008~2009 Korea Health and Nutrition Examination Survey' were reanalyzed. This analysis identified 65 preliminary questions that may be relevant to the study. After verifying the content validity by experts, the 65 questions were reduced into 51 questions. In order to secure higher validity of the candidate items, verification of their clinical validity was conducted among women aged between 45 and 60 years. Finally, an assessment tool was developed by applying weight and scoring. Results: Selected 51 questions were used to verify clinical validity and the results showed that 20 questions were relevant, nine questions ('regular meal time', 'regular amount of meal', 'intake frequency of dairy products', 'intake frequency of fruits', 'intake frequency of meat products', 'intake frequency of high cholesterol foods', 'intake frequency of salty foods', 'appetite', 'eat breakfast everyday') were related to dietary life. Eleven other questions ('self-rated health status', 'deep sleep', 'smoking', 'frequency of drinking', 'stress levels', 'health-related fitness levels', 'pounding of the heart', 'strange feelings on the skin', 'interfere with daily life', 'menopause will bring you a chance to see the life in a different perspective', and 'body mass index') were selected as valid questions. For the response scale for each question, 5 point Likert scale was used to make total 100 point score. Conclusions: This study is the first attempt to develop a health status assessment tool for middle aged women based on their dietary patterns. We conclude that this tool is expected to be a useful and practical tool in the field.

• Journal of Fisheries and Marine Sciences Education
• /
• v.25 no.1
• /
• pp.29-39
• /
• 2013

The purpose of this study is to analyze middle school teachers' concern about and implementation degree of performance assessment in China. The research questions are as follows: First, what kind of concern is held by middle school teachers who implement performance assessment? Second, is there any significant difference in stages of concern the teachers on performance assessment according to their gender, education level and teaching career? Third, which level of use is shown by middle school teachers who implement performance assessment? Fourth, what is the correlation between middle school teachers' Stages of Concern and Levels of Use on performance assessment? This study was conducted based on a Concerns-Based Adoption Model (Hall, 1973; CBAM) that viewed teachers as the most primary factor of the execution of innovation, in this case, performance assessment. Performance assessment is assessment based on observation and judgement (Stiggins, 1994), and require test takers to complete a process or produce a product in a context that closely resembles real-life situations. The subjects of this study were randomly sampled from 120 middle school teachers throughout Bei-Jing, China. The questionnaires were distributed to them by mail, and they were asked to return their questionnaire by mail. The collect data were analyzed by SPSS/WIN 18.0 program in terms of frequency, correlation, or MANOVA. Frequency analysis was used to analyze concern of middle school teachers on performance assessment. To gain an frequency of the individuals in each stage, we regarded the stage in which a teacher had his/her highest score as his/her relevant stage. Correlation analysis was adopted to identify the correlation between teachers' stage of concern and level of use. To analyze the difference of the concern of China middle school teachers on performance assessment according to their individual background variables such as gender, education level, and teaching career, MANOVA was performed.