In this study, it is investigated the relationship between sitting discomfort and major design variables of lumber support, such as prominence, height and width through volunteer tests. Korean $50^{th}$ percentile males and American $50^{th}$ percentile males are recruited among 36 to 45 years old peoples who have driving experiences and have no back pain during the past 12 months. Subject ratings are asked by changing design variables randomly. Body pressure and lumber position changes are also measured as object measures. And correlation among subject ratings, object measures and three design variables are analyzed using statistical analysis. As a result, it is revealed that prominence is the most dominant factor that correlates to the discomfort strongly for both-Koreans and Americans and contribution of other two variables are very low.
Samuel Beckett's literary sympathies with underdogs enslaved to authoritative figures, found in his earliest plays, continued in a more or less subdued form in his later plays: Not I is a good case in point thematizing a social authority psychologically embedded within a subject. The incessant bouts of self-defense, or confessional, which Mouth carries out on a dark stage is directed to an inner authority. In Civilization and Its Discontents (1931), Freud's diagnosis for individuals torn between the opposite calls of a social order-- which he called, by turns, civil society, civilization, and culture--and of individual freedom was a "neurosis." What Not I dramatizes seems to be this state of neurosis suffered by a subject bound to the contradictory calls of an internal social authority, which forces Mouth to carry on a confessional till she obtains a symbolically/linguistically viable social title of "I," and of her individualistic denial of the position("what?..who?..no!.. she!.."). Mouth's ordeal on stage does not signify the psychological pressure of the social system, with its disciplinary measures of guilt, justice, and punishment, triumphs over individualistic irregularities and abnormalities, for her "maddened" confession will never see its closure. The opposite psychological forces at work inside Mouth, who is both "in" and "out[side]" "this world," will keep engaging in an eternal battle. In a way, she is a perfect parable about us humans living within a system, "discontent" and hung between the contradictory calls of individualism and social collectiveness.
The purpose of this study was to prepare improved education guideline by grasping parts and items felt difficult to apply instruments by the students of the dental hygiene department in the practice of oral prophylaxis using manikin and analyzing factors influencing the satisfaction at the oral prophylaxis subject. To achieve this purpose, 285 senior students of the dental hygiene department located in the Kwangju. Jeonnam area who took theory and practice courses of oral prophylaxis but only practiced the manikin from the second semester of 1st year were selected as the subjects. The following results were obtained. 1. In the manikin, the most difficult part was maxillary anterior lingual in the use of explorer, sickle scaler, and universal curet, and maxillary right posterior lingual was in the use of gracey curet. In the dentiform, the most difficult item was instrument stroke in the use of explorer, sickle scaler, universal curet and gracey curet. 2. The highest stressor was the lack of knowledge and skill in practice of oral prophylaxis, followed by the lack of confidence, and difference between theory and practice in oral prophylaxis. The overall practice satisfaction was 3.23 at oral prophylaxis. The highest satisfaction was found in patient and operator position(3.51), followed by basic skill(3.34), the way to use hand instrumentation(3.16), and the way to use oral examination instrumentation(3.01). 3. According to school records, satisfaction at oral prophylaxis practice satisfaction was 3.36 of good, 3.24 of fair, and 3.06 of poor, suggesting significant difference(p<0.05). Students who participated just in practice during a school term showed 3.47 of satisfaction. The highest satisfaction was found in a full-time professor as a professor in charge(3.24) and there was significant difference(p<0.05). 4. The highest correlated factor between oral prophylaxis theory and practice satisfaction was curriculum satisfaction. The use of hand instrumentation was found to have the greatest effect on the practice satisfaction at oral prophylaxis, followed by basic skill, the way of basic instrumentation, and position. There was statistically significant difference(p<0.01).
The purpose of this study is to investigate women's radio talk program and evaluate its possibilities and limitation from the point of feminist perspective. The theoretical framework is based on feminist studies and text analysis of talk show. Existing studies regarding talk show are mainly focused on television. But radio talk show is one of general entertainment and it's influences on minorities are still significant. is the most representative women's radio talk program in Korea. It has been broadcasted over 10 years and very popular among Korean housewives. The audience of this program call themselves schoolfellow, and call the program 'school of women'. The media text of is mainly consisted of letters from women audiences, and they are selected by producers. So the text is made by both audiences and producers. The unique combination of this process produces complicated discourses which contain women's experiences in letters and station's considerations through safekeeping. The problems investigated in this study are as follows: First, What discourses are produced in this program? Second, Alternative possibilities can be seen in this program in feminist perspectives? Text analysis of 1week(2000.9.18-9.24) and interview with producers are accomplished to this purposes. In the text analysis, subject matters, inscribed women's position, values of the letters are revealed. Most of the subject matters are family affairs. Some are socially oriented but family and home are the predominant category of women's letters. And the position of women subject is defined in the domestic network. They are nameless but the mother, wife, daughter, daughter-in-law of other people. In value, family-oriented value and small happiness in everyday life are generally appeared. But these values are essentially coincide with the values of status quo. The answers of the conflict are not public but individualized. And acception the status quo is presented as the wisest decision, But ` has many implications in relation to women's sharing of their experience, and construction of imagined community in media. Women continuously interact each other revealing and discussing their experiences and sometimes their social practices are stirred through this media sphere. So we see the 'emotional union' among women are formed through radio. The limitation of this program is very apparent: it's patriarchic values, acception of status quo, and individualization of the women's problems. But in the same time we can read coexisting it's latent possibilities: the possibilities of women's public sphere. But it is completely alternative women's sphere in feminist perspectives. It renders women opportunities to participate public media and share with other women, and collaborate with their problem.
Proprioception training has been considered a secondary method to facilitate postural control ability. This study investigated the effects of two different proprioception training methods - the proprioceptive neuromuscular facilitation (PNF) and visual feedback-based joint position and force reproduction (VF) - on postural control advancements. Sixteen healthy people volunteered for this study, and they randomly grouped two. Each group participated in the PNF and VF training for three weeks. We evaluated each subject's proprioception levels and balance ability before and after the training. We used a clinometer and electromyogram (EMG) for VF training. The joint position reproduction test was also used to evaluate the position and force aspects of the proprioception level. We analyzed the trajectory of the center of pressure (COP) while subjects were standing on the firm floor and balance board with one leg using a pressure mat. The improvement of the position aspect of the proprioception level of the VF group (4.93±4.74°) was larger than that of the PNF group (-0.43±2.08°) significantly (p=0.012). The improvement of the anterior-posterior COP velocity of the PNF group (0.01±0.01 cm/s) was larger than that of VF group(0.002±0.01 cm/s) significantly (p=0.046). Changes of position error in the PNF group (rho=0.762, p=0.028) and tibialis anterior force reproduction error in the VF group showed a significantly strong relationship with balance ability variables. These results showed that different PNF and VF have different effects on improving two aspects of proprioception and their relationship with the balance ability. Therefore, these results might be useful for selecting proprioception or balance rehabilitation considering the clinical and patients' situation.
Recently, the controversy continues as to whether maximum intercuspation of teeth should occur at the terminal hinge position(the condylar theory) or at the myo-co(the neuromuscular theory). There is also much controversy regarding the antero-posterior position of myo-co. The object of this study was to measure and compare with the positional relations of centric relation, centric occlusion and myo-co, and free-way space using Mandibular Kinesiograph and Myo-monitor in the 40 subjects without stomatognathic problems. Mandibular Kinesiograph(M.K.G.) was originally conceived as a research instrument to track mandibular movement and position. As its use in research progressed, its great diagnostic value became apparent in case by case. And Myo-monitor was developed as a means of applying the neuromuscular approach to occlusion. Thus the Myo-monitor technique is an intra-systemic approach to occlusal positioning using patient's own musculature, and Myo-monitor is used to relax the musculature by a light myopulse induced electronically. From this experiment, the following results were obtained. 1. The adaptive free-way space before muscle relaxation was an average of $1.6{\pm}60mm$, and the true free-way space after muscle relaxation using Myo-monitor was an average of $2.4{\pm}0.74mm$. 2. It took an average of $25{\pm}3.11$ minutes to relax the mandibular musculature by Myo-monitor and administration of 5mg. Diazepam and an average of $38{\pm}4.73$ minutes by Myo-monitor without administration of Diazepam. 3. Myo-co existed anterior to centric occlusion, with an average of $0.53{\pm}0.31$ mm, and centric relation existed posterior to centric occlusion, with an average of $0.57{\pm}0.58mm$ before muscle relaxation and with an average of $0.57{\pm}0.43mm$ after muscle relaxation. 4. Centric relation coincided with centric occlusion in 5 of 40 subjects(12.5%), and posterior to centric occlusion in the rest of cases (87.5%). 5. Myo-co existed anterior to centric occlusion in 38 of 40 subjects(95%), except 1 subject that coincided with centric occlusion and 1 subject that existed posterior to centric occlusion. 6. Myo-co and centric relation existed inferior to centric occlusion and the lateral displacement was various with individual difference. 7. The total displacement from centric occlusion to centric relation was an average of $0.74{\pm}0.64mm$ before muscle relaxation, and an average of $0.68{\pm}0.53mm$ after muscle relaxation, and the total displacement from centric occlusion to myo-co was an average of $1.07{\pm}0.58mm$.
As China enters the 21st century, China is strengthening its position as a world power in an international position. However, there are still problems with Three Agricultural(Agricultural, Rural, Farmer) and unbalanced urban and rural villages. China, as one of the largest and most populous nations, values the development of three farms. Strategies such as "The Construction Of New Socialist Countryside" were a policy to solve rural problems, But they were not enough to achieve breakthrough results. In order to achieve more effective results, the Central Committee of THE STATE COUNCIL proposed The Document No.1 of "Opinion on the Implementation of The Rural Revitalization Strategy" in February 4, 2018 and published "The Rural Revitalization Strategy (2018-2022 )". The Yanbian region, which is the subject of this study, is the home of Korean-Chinese tribes and the Korean autonomous region. As a minority of Chinese ethnic minorities, the Korean-Chinese has their own unique culture, and Yanbian has distinct regional characteristics. As The Rural Revitalization Strategy was raised, Villages is showing positive change in accordance with policy implementation in Yanbian. This study analyzed the current status of policy implementation of The Rural Revitalization Strategy in Yanbian area and analyzed the policy contents and performances based on the of Yanbian Daily News. Based on the results of the analysis, I would like to help in suggesting a more rational development direction and building the villages.
Although TMJ sound is common, its relationship to subjective and objective evaluation and the magnitude and the position of the sound during the mandibular movement is not fully understood. So, the purpose of this investigation was to provide further insight into the characteristics of the TMJ sounds. Twelve subjects (9 men and 3 women) with TMJ sounds were selected from students at Chosun University, School of Dentistry. Condylar movements and TMJ sounds of each subject were recorded and analyzed using a simplified condylar path recorder and a sound checker. Although specific conclusions were difficult to make from this study, the finding suggested the followings. 1. The position of TMJ sounds were visually observed and marked on the condylar tracings during maximum opening and closing, protrusive and retrusive and right and left lateral movements. 2. Information about the size, location and number of condylar deviations and the translation freedom of the condyle was recorded and analyzed objectively. 3. The most obvious characteristic of TMJ sounds was their variability. 4. TMJ sounds were categorized into one of four groups (soft click, hard click, soft crepitus, hard crepitus) by the quality and quantity of the duration and amplitude components.
In this paper, the prototype of a walking guide robot with tactile display is introduced, and the psychophysical experiment of the tactile recognition for a tactile display is carried out and analyzed. The objective of this research is the development of a walking guide robot for the blind to walk safely. A walking guide robot consists of a guide vehicle and a tactile display device. A guide vehicle, located in the front of the walking blind, detects the obstacle using ultrasonic sensors and offers the information of position and walking direction acquired from GPS module to the walking blind by voice. The tactile display device, located in the handle which is connected with the guide vehicle by cane, offers the processed obstacle information such as position, size, moving, shape of obstacle and safe path, etc. The psychophysical experiments for the threshold of perception and recognition ability of tactile stimulation are carried out by the estimation of the subject group. As a result the appropriate tactile stimulus intensity and frequency to recognize tactile stimulation effectively are discussed and derived.
This study is about the correlation of pain strength between Oswestry Disability Index and Hendler 10-Minute Screening Test in the patient of low back pain. The subject were 66, in and out patient who had recieved physical therapy on low back pain in several hospitals at Seoul and Kyungkido. during July 5.-August 27. 1999 1. The average score of Oswestry Disability Index was $24.06{\pm}8.16$ and that of Hendler 10-Minute Screening Test was $24.82{\pm}4.31$. 2. The Pearson's R score between each questionnaires of Oswestry Disability Index and pain strength was .5692. p<0.0001. So it is very high. But, that between each questionnaires of Hendler 10-Minute Screening Test and pain strength was not significant.. 2261 p<0.05 3. The Pearson's R score between Pain strength of Oswestry and person care was .3391, sex life was .3756, social life was .4637 (p<0.005) and that between Pain factor of Hendler, pain area of Hendler and sleeping(4358), sex(.6198), position change(2767), (p<0.005). So it is significant. 4. The categories where we could see the correlation between Pain strenth of Oswestry and Hendler each questionnaires were sleeping(.3222), sex(5524), position change(4291). (p<0.005).
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