Objectives In this study, we developed a mock-up of the system for Sasang Constitutional (SC) diagnosis. This system consists of 5 devices which are the face analyzer, the voice analyzer, the skin analyzer, the pulse analyzer, and the computer-based questionnaire. Our goal is to evaluate the repeatability of the system. Methods Each device is capable of classifying SC types. The classification probability of the integrated system for the SC types was obtained by summing the probability from each device. For evaluating the repeatability of the system, we collected data for 5 subjects, and repeated the measurement three times for each individual. The average and standard deviation were used for calculating the Coefficient of Variation. Results The results showed that the repeatability of the classification probability of the integrated system is about 8%, which implies the system is repeatable. Conclusions To increase usability of this system, it is desirable for the system to offer information on health condition of the user. The integrated constitutional diagnosis system will be upgraded to complement the convenience and to develop the diagnostic algorithm for the user's health condition.
The principle objective of this study is to determine factors affecting social participation for physically disabled people with musculoskeletal conditions (spinal cord injury, muscular dystrophy, osteogenesis imperfecta, rheumatoid arthritis) in South Korea using ICF relevant categories of the international classification index by WHO. The subjects of this study 352 people with physical disabilities, the data were collected using ICF component(body functions, body structures, activities and participation and environmental factors) and the relevant categories deprived from ICF core sets. The collected data were evaluated with descriptive analysis, ANOVA, correlation analysis, and multiple regression analysis. The results of this study can be summarized as follow. The mental function, Neuromusculoskeletal and movement-related functions, Genitourinary and reproductive functions, Skin and related structures, Learning and applying knowledge, General tasks and demands, and Mobility positively influenced social participation in people with musculoskeletal conditions. However individual factors and environmental factors didn't statistically significant affect on social participation. The implications of the study is to examine by ICF components of universal approach on disability study and utilized the relevant ICF categories as measurement tools.
Purpose: The purpose of this study was to analyze of PCAs' activity classification system and time of PCAs who worked in Wamco. Method: The data were collected from 2 WAMCO and 308 subjects between February and August, 2007, by questionnaire and 24 time survey. The data were processed with SPSS Win 12.0. Result: In activity analysis, PCAs' activities were classified into 20 domains and 76 activities, which were hygiene, bathing, feeding & nutrition, elimination, respiration, skin care, exercise & transfer, problematic behavior control, communication, observation & measurement comfort, medication, assisting test & treatment, reporting, environment management, patient belongings care, education attendance, indirect caregiving weekly/monthly PCAs' activity. And the PCAs' time analysis showed the average of 24hrs PCAs' time were 798.8 minutes, in which 46.8% were used in day-duty, 33.6% in evening-duty, and 19.6% in night-duty. There were no statistically significant difference in total PCAs time according to the type of industrial accidents and PCAs' type and qualification. But there were statistically significant difference in total PCAs time according to the type of PCAs (day-duty/all-night vigil. Conclusion: The results of this study can be utilized usefully and reasonally in deciding of PCAs staffing and PCAs' type and grade in WAMCO.
Transactions of the Korean Society of Mechanical Engineers B
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v.23
no.7
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pp.937-944
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1999
The near-wall flow structures of turbulent boundary layer over riblets having semi-circular grooves were investigated experimentally for the drag decreasing ($s^+=25.2$) and drag increasing ($s^+=40.6$) cases. The field of view used for tho velocity field measurement was $6.75{\times}6.75mm^2$ in physical dimension, containing two grooves. One thousand instantaneous velocity fields over the riblets were extracted for each case of drag increase and decrease. For comparison, five hundreds instantaneous velocity fields over a smooth flat plate were also obtained under the same flow conditions. To see the global flow structure qualitatively, the flow visualization was also performed using the synchronized smoke-wire technique. For the drag decreasing case ($s^+=25.2$), most of the streamwise vortices stay above the riblets, interacting with the riblet tips. The high-speed in-rush flow toward the riblet surface rarely influences the flow inside tho riblet valleys submerged in the viscous sublayer. The riblet tips seem to impede the spanwise movement of the longitudinal vortices and induce secondary vortices. The turbulent kinetic energy in the riblet valley is sufficiently small to compensate the increased wetted area of the riblets. In addition, in the logarithmic region, the turbulent kinetic energy are small or almost equal to that of a smooth flat plato. For the drag increasing case ($s^+=40.6$), however, the streamwise vortices move into the riblet valley freely, interacting directly with the riblet inner surface. The penetration of the high-speed in-rush flow on the riblets increases tho skin-friction. The turbulent kinetic energy is increased in the riblet valleys and even in the outer region compared to that over a flat plate.
Ji, Hong-Geun;Kim, Ju-Duck;Kim, Jeong-Dong;Choi, Jung-Sik
Journal of the Society of Cosmetic Scientists of Korea
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v.30
no.2
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pp.207-210
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2004
Glycyrrhiza uralensis (licorice root) is very useful medicinal herb because of strong anti-inflammatory and anti-wrinkle effect. Therefore, it is widely used in functional cosmetics. However, it is insoluble and easily decomposed by light, heat, oxygen, etc. In this study, we first prepared NanoSolve-Licorice (30-50nm) using Glycyrrhiza uralensis and propylene glycol! hydrogenated lecithin/caprylic/capric triglyceride/glycerin/water system with microfluidizer. And then, NanoSolve-Licorice and porous PMMA are dispersed in ethanol. Finally, we could get a stabilized system with high-pressure homogenizer (1,000 Bar, 3 passes). According to HPLC measurement for glabridin content, our system is more stable compared with general liposome ones. Capsulated licorice has an enhanced anti-inflammatory effect on account of excellent skin penetration. We also evaluated our final product through image analyzer, particle size analyzer, FF-TEM and chromameter.
Objective: Breast cancer-related lymphedema (BCRL) is a major sequela after surgery or radiotherarpy for breast cancer. Manual lymphatic drainage (MLD) is designed to reduce lymph swelling by facilitating lymphatic drainage. This study attempted to determine the histologic changes in the skin and subcutaneous layer, and the immediate effect of MLD in decreasing lymphedema using ultrasound imaging, which is the method used most commonly to eliminate BCRL. Design: A single-group experimental study. Methods: Five subjects who were diagnosed with hemiparetic upper extremity lymphedema more than six months after breast cancer surgery participated in the study. MLD was performed for 60 minutes in the order of the thorax, breast, axilla, and upper arm of the affected side. In order to determine the effect of MLD, ultrasound imaging and limb volume were assessed. Two measurement tools were used for asessing lymphedema thickness among the pretest, posttest, and 30-minute follow-up period. Results: Significant diferences in ultrasound imaging and upper limb volume were found between the affected side and non-affected side (p<0.05). On the affected side, although ultrasound imaging showed a significant decrease after MLD (p<0.05), there were no significant difference in upper limb volume when compared to the baseline. Conclusions: In this study, a significant decrease in lymphedema by MLD was demonstrated by ultrasound imaging, which is considered to be more useful in assessing histological changes than limb volume measurements. Further research on the protocol for eliminating lymphedema will be needed.
This study was to investigate the changes of shape of the lower limb surface, the rate of the measurement of expansion and contraction and correlation coefficient between variables caused by hip joint and knee joint movements. The results of the investigation are as follows; 1. According to the development figure of shell when the leg was raised $45^{\circ}$forward($M_{2}$), total length of F.L shortened while B.L lengthened. This result is contarary to $M_{3}$raising the leg $15^{\circ}$ backward. In both $M_{2}$, $M_{3}$movements, the rate of expansion and contraction to the course direction was insignificant. When hip joint was bent $15^{\circ}$ with knee joint $120^{\circ}$bent ($M_{4}$) and hip joint was bent $30^{\circ}$ with knee joint $90^{\circ}$ bent($M_{5}$), upper section of back hip expanded while the front hip section contracted slightly. In the Movement of sitting on the chair($M_{6}$), abdomen, front hip section and upper thight section contracted to the wale direction remarkably while the back hip section expanded conspicuously. 2. According to the rate of expansion and contraction of skin (surface) by the somatometry. In $M_{2}$, C.F.L. upper and middle thight girth contracted and B.L, C.L, L.L expanded. This fact is contarary to M3. In M4, M5, C.F.L showed remarkable contraction and C.B.L expanded remarkably. In $M_{6}$, C.B.L contracted most of all the items measured and knee girth, F.L, L.L, C.B.L, hip girth expanded conspicuously. 3. According to the correlation coefficient between variables. In various movements, the correlation among girth items commonly showed a high or middle grade, the correlation among length items also commonly showed a low grade and that girth and length items showed a very low grade commonly. Waist girth, hip grith, F.L, B.L, L.L items showed that there were significant correlation.
As the percentage of the elderly in the population increases, research to identify the nutritional and health status of the elderly, to understand the factors influencing on them, and to delay aging have been done actively. It is necessary for these studies to be longitudinal. This study was carried out to assess the change of health-related habits such as dietary behaviors and smoking, alcohol drinking and exercising habit, and health status between previous study(1991/1994) and post study(1998) for middle-aged men and women living in Chonju. For the present study, the data of 63 pairs(23 men and 40 women) were analyzed. They were 11 men and 12 women followed up from 82 men and 100 women surveyed in 1994. Mean ages in the 1991/4 and 1998 studies were 53.6y(range 42-63y) and 59.0y(range 46-72y) respectively. The survey was conducted with interview using a questionnaire including dietary behaviors and health-related habits, and anthropometric measurement and blood test for analyzing biochemical indices in 1991/4 and 1998. To understand these changes over time, $\chi$$^2$-statistics, t-test and paired t-test were analyzed with an SAS package program. As people age, there were significantly decreases in the proportions to eat lightly salted foods and drink alcohol. Significant longitudinal increases in triceps skin fold thickness, ${\gamma}$-GPT and HDL-cholesterol and significant decrease in hemoglobin value were noted over time in both men and women. In addition a significant decrease in blood glucose level was noted over time in women. Weight, blood glucose and total cholesterol increased significantly with age in those had had breakfast regularly or those had not used more slat at the table in the past. From this study, were found out the subjects of this study had relatively desirable health-related habits. But as improper health-related habits are likely to result in inappropriate health status(eg, increase in WHR, triglyceride, total cholesterol and LDL-cholesterol), it is recommended that nutrition education in necessary as soon as possible to meet the health elderly.
Journal of the Korean Society of Clothing and Textiles
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v.32
no.9
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pp.1478-1486
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2008
The human body composed of concave and convex curvatures, and the current 3D scanning technology which involves inherent measurement errors make it difficult to extract distinct curvature plot directly. In this study, a method of extracting the clear curvature plot and its application to the cycling pants design were proposed. We have developed the ergonomic pattern from the 3D human body reflecting cycling posture. For the ergonomic design line on the 3D human body, the 3D information on the lower part of four male bodies with flexed posture was analyzed. The 3D scan data of four subjects were obtained using Cyberware. As results, the iteration of the tessellated shell was executed 100 times to obtain optimized curvature plots of the muscles on the body surface, and the boundaries of the curvature plots were applied to the design lines. Maximum(Max-pattern) and mean curvature plots(Mean-pattern) were adopted in the design line of the cycling pants, and performance of those lines was compared with that of conventional princess line(Con-pattern). The average error of total area and length in the 2D pattern developed from the 3D flexed body surface in this study were very minimal($4.58cm^2$(0.19%) and 0.15mm(0.46%)), which was within the range of tolerable limits in clothing production. The pattern obtained from the flexed body reflecting cycling posture already included the contraction and extension of the cycling skin, so that the extra ease for movement and good fit was not need to be considered.
The chestnut is a well-blown and important forest product in Korea. The annual production of chestnut is about 95,000 tons and its cultivating area is 80,000 ha. However, the peeling process of outer and inner skins of chestnut is very difficult due to hardness and adhesiveness of chestnut skin. The purpose of this study was to develop a prediction model for flame peeling characteristics of domestic chestnuts, and to evaluate an optimization model to determine the operation conditions of the chestnut flame peeling system. The results of this study were summarized as follows. It was found that the flame peeling characteristics of domestic chestnuts were by the flame temperature, and the flame time. The peeling ratio and the heating depth were increased as the flame temperature and the flame time were increased. The peeling ratio and the heating depth were increased linearly when those were less than 85 % and 2 mm respectively. As the hardness of chestnut shell was decreased, the peeling ratio was increased. A simulation model was developed to predict the peeling ratio and the heating depth based on the hardness of the chestnut shell, the flame temperature, and the flame time of the peeling system. The model was evaluated by comparing the measurement and the prediction of the peeling ratios and heating depths, and showed the good relationship.
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