• Title/Summary/Keyword: comfort function

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Biomechanical Analysis of Different Thoracolumbar Orthosis Designs using Finite Element Method (유한요소 해석을 이용한 정형용 흉·요추 보조기의 형태에 따른 생체역학적 분석)

  • Kim, Y.H.;Jun, S.C.;Jung, D.Y.;Lee, S.J.
    • Journal of rehabilitation welfare engineering & assistive technology
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    • v.6 no.1
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    • pp.45-50
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    • 2012
  • Thoracolumbar orthosis has been used for the rehabilitation of the patients with senile kyphosis. Recently, a number of different thoracolumbar orthosis designs have been introduced but its biomechanical effectiveness still remain unknown. In this study, we compared the pressure distribution on the surface of the trunk and stresses on the orthosis in relation to changes in connecting frame designs (Type 1, one-connecting frame type; Type 2, two-connecting frame type; Type 3, all-in-one type) using finite element (FE) models under different motions of the trunk. The results showed that Type 3 distributed the pressure on the trunk most evenly followed by Type 2 and Type 1 and the difference between Type 1 and Type 2 was negligible. ROM was limited most effectively by Type 3 ($8.5{\sim}9.4^{\circ}$), followed by Type 2 ($11.3{\sim}13.9^{\circ}$) and Type 1 ($12.1{\sim}15.4^{\circ}$). The ratio between the peak von Mises stress and yield strength of each material remained less than 20% regardless of orthosis type indicating low likelihood of component failure. In conclusion, our study found that all-in-one type of orthosis was the most effective design for the conservative treatment of spinal deformity in terms of function and comfort.

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Full mouth rehabilitation of the patient with severely worn dentition using monolithic zirconia prosthesis: A clinical report (치아 마모 환자에서 단일 구조 지르코니아를 이용한 완전 구강 회복 증례)

  • Kim, Tae-Yeon;Han, Jung-Suk;Kim, Sung-Hun;Yeo, In-Sung;Lee, Jai-Bong
    • The Journal of Korean Academy of Prosthodontics
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    • v.54 no.2
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    • pp.140-145
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    • 2016
  • Excessive occlusal wear causes loss of tooth structure, occlusal plane disharmony, impaired function and esthetic problems. Although the decrease of occlusal vertical dimension may be compensated by the growth of alveolar bone and tooth eruption, minimal increase of occlusal vertical dimension may be required for esthetics and retention of prosthesis. In this case, a 44-year-old male patient visited Seoul National University Dental Hospital with chief complaint of severe tooth wear and shade disharmony. Based on assessment of diagnostic wax-up, 3 mm increase of occlusal vertical dimension was determined. Removable occlusal splint and interim prosthesis was used to ascertain patient's comfort and adaptation. After the adaptation period, definitive prosthesis fabricated with full-contour monolithic zirconia were delivered and the patient was recommended to wear a nightguard device for prosthesis protection. This report presents a case of full mouth rehabilitation with the elevation of patient's occlusal vertical height, resulting in satisfactory esthetics and functions.

Full-mouth rehabilitation of a patient with reduced occlusal vertical dimension due to severe wear: a clinical report (심한 마모로 인하여 교합 고경이 감소된 환자의 완전 구강 회복술)

  • Kim, Min-Jung;Kim, Hyeong-Seob;Woo, Yi-Hyung
    • The Journal of Korean Academy of Prosthodontics
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    • v.51 no.1
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    • pp.39-46
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    • 2013
  • The loss of posterior support may cause attrition of anterior teeth, and loss of occlusal vertical dimension (OVD). The collapse of the posterior support will eventually cause the pathologic change of the TMJ and masticatory muscles, unesthetic facial appearance and decreased masticatory function. Patients with destroyed dentition need extensive prosthetic treatments. Proper diagnosis and treatment planning are necessary for the stability of the neuromuscular system and the TMJ, and esthetic and functional definitive restorations. In this case, 63 year-old male presented with decreased masticatory force and esthetic problems due to pathologic destruction of teeth structure on entire dentition. Based on assessment of OVD including intraoral findings, radiographic examination and diagnostic cast, full-mouth rehabilitation with increase of OVD was planned using fixed partial denture and removable partial denture. Diagnostic wax-up was done after 4 mm increase of OVD determined by assessment of OVD. The OVD was maintained with the overlay type removable interim prostheses for 12 weeks to ascertain his comfort and adaptation to the new OVD. After the adaptation period, second interim prostheses with tooth preparation maintaining the established OVD was delivered. After 4 weeks, final prostheses were fabricated and delivered. After 7 month follow-up period, occlusal stability is maintained. Through this procedure, satisfactory outcomes were achieved both in functional and esthetic aspects.

Study on the Medical Review on Yukjagyeol and Younggamudo Its Clinical Application (육자결(六字訣)과 영가무도(詠歌舞蹈)의 한의학적 고찰 및 임상적용에 대한 연구)

  • Lee, Dong-Wook;Han, Chang-Hyun;Park, Soo-Jin;Kwon, Young-Kyu
    • Journal of Physiology & Pathology in Korean Medicine
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    • v.22 no.3
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    • pp.516-527
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    • 2008
  • Sounds and music have been used in various ways in the East and the West, as it is well known that they influence the human mind and health a lot. Recently, there have been many studies regarding the remedy through sounds and music in the West and they have made good effects in the actual therapy. In the East, people knew that sounds and music would make great effects on human mind long time ago and they placed importance on sounds and music. Although there is a Sound Therapy in Oriental Medicine, it is not studied sufficiently in modern Oriental Medicine. It does not have clear standards for the clinical application and has not been frequently used. Accordingly, Yukjagyeol which has long been used in Korean Medicine and Younggamudo which was made by Kim Il-bu in late Chosun were compared from the perspective of acoustics and demonstrative treatment theory of Korean Medicine. Younggamudo by Kim il-bu allot the five sounds such as 'Eum, Ah, Eo, Ih and Uh' to 'spleen, lung, liver, heart and kidney' respectively. As the five sounds are all vowels and vibrate the vocal band as much as possible, they vibrate and resonant the respective organs to help them to function and promote circulation. In oriental medicine, there is 'Singing and Dancing Treatment'. They say songs and dances nurtures personality, supplement blood stream and comfort the mind. As the five sounds of Younggamudo take the melody while vibrating the vocal band sufficiently, when it passes from Youngto Ga(Songs) we may dance moving our bodies according to the rhythm. Therefore Gongbeop of Younggamudo helps the functionality of human organs and promotes blood circulation. As Yukjagyeol is Sabeop(discharging method), it should be used for those who have surplus Sagi and should not use for Heojeung. As Younggamudo is Bobeop(supplementing method), it is not for Shiljeung but for Heojeung which lacks of Jeonggi. It is considered that healthy people without specific disease can use it as a preventive method of 'Chimijeong' to maintain their physical and mental health. It is considered that we can have useful effects if we apply Yukjagyeol and Younggamudo dialectically with the concept of Bosa. It is considered that concrete application to Sound Gigong can be possible by searching for the methodology for empirical further study and clinical experiments and clinical application in the future.

Research on Actual Usage and Satisfaction of ROKAF Fighter Pilot's Flight Duty Uniform (공군 전투조종사 비행복 착용특성 및 만족도 조사)

  • Lee, Ah Lam;Nam, Yun Ja;Hong, Yu Hwa;Im, Sojung;Lim, Chae Keun
    • Journal of the Korean Society of Clothing and Textiles
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    • v.40 no.4
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    • pp.669-684
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    • 2016
  • This study investigates Korean fighter pilot's usage and satisfaction of a flight duty uniform (FDU). The survey was conducted from October 2014 to March 2015 using Focus Group Interview (FGI) and questionnaires. FGI collected qualitative data about duty and requirements; subsequently, surveys were performed to collect quantitative data about wearing conditions and satisfaction with FDU. The results of the FGI and the questionnaire were as follows. Type of pilot duty was divided into two parts, flight duty and ground duty. It is important to consider duties as well as factors related to survival when developing FDU. According to anthropometric data and wearing size, the basic size for apparel grading should be changed from actual size, 'M95XL' to 'M100L'. It is also necessary to improve the whole sizing system. Further studies about body form changes in pilot's movement are needed to improve mobility because the respondents perceived some restrictions at several body parts in movement with the coverall uniform. Summer FDU had a low satisfaction level in vent hole function and appearance. Furthermore, protection problems in the vent hole were also an issue. Making a seasonal classification of FDU fabric will be more effective than a vent hole to increase a pilot's thermal satisfaction. Respondents had a passive stance towards FDU reform (including pocket change); therefore, a new FDU design strategy should concentrate on improving current FDU functions like mobility (or comfort) rather than dramatic changes. Pilots complained about the quality stability of FDU; therefore, quality control by military administration as well as concrete and clear design instructions by the developer should be attained together. The results obtained in this study are expected to be used as an important basis for the further development of FDU.

Literature Review on Spirit and Qi Regimen (정.기(精.氣) 양생법(養生法)에 관한 문헌연구)

  • Baek, Suk-Hee;Sok, So-Hyun;Oh, Hae-Kyung;Moon, Hee-Ja
    • Journal of East-West Nursing Research
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    • v.2 no.1
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    • pp.96-106
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    • 1997
  • In Chinese medicine, the activities of removing and solving the inner cause are called the regimen in preventing the disease and the good condition of mind emphasizes us to practice ourselves the doctrine of regimen of the mind to promote the health and long life of the living body, in other words, it means we should have clean mind, less desire, less thought, less agony and widely open our emotion and will, and it also means the raising of good nature, the moral cultivation, and we can be healthy when we live by good virtus as the root of regiem. The meaning of the Qi has been expanded more and more since its origination throught the process of practice and perception of man. 1) Matter is changed to the smoke when burned, the energy of water becomes the rain in the sky and the rain raises all living creatures by making them wet. Throught these changes of circulation, men could realize the energy to be the common and original matter of forming all the creatures. 2) The direction of showing the breathing of men in and out has been expended. 3) It was widely understood as the meaning of showing vitality of men, and it was the original root of chinese medicine. 4) It was expended to be showing spirit of nature such as the sun, moon, star, sky, land, mountain and the moral spirit of men as peacefullness. By the original meaning of the word of energy expanded to the wider side of sky, land, men and things, nature, society, man and the moral spirit could get the unified basis of the matter. As the above, the word of Qi has been used in wider meaning at this time from the past. In other words, all things in the universe come into being and extinct by the chang of motion of the Qi and it is recognized to be the living activity in human body. The Qi-kong based on this energy and the motion applied to our daily life are very extensive (Lee, Hye - lung, 1997). Here are the summaries of the effect of the Qi-kong ; 1) The physical constitution is strenthened, physiological function is prosperous and we are free from various geriatric disease and psychosomatic disease not to mention the cold and indigestion. 2) It maintains the clear spirit, elevates intelligence, strengthens the spiritual power and demonstrates the potentiality at the amximum. 3) It maintain beautiful figure and clean skin never losing the charm but full of energy and vitality. 4) It keeps the balanced body never suffering from the unbalance of the bones, various and neuralgia. 5) It maintain the spiritual comfort, the natural posture in everything and real happiness (Lee, Hye-Jung, 1997 : Suh, Yong Kyu, 1989). Chinese medicine mentions the motion by Qi with Qi - kong. But the motion does not require special method in Western medicine. I t is the only way of living of our ancestor indaily life. It is maintaining the healthy lifr by training the Qi, and it is the motion of being with the nature with the open mind in breathing rather than artificially restricting our daily life, it is the motion of the body.

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Characteristics of Track Irregularities on Kyoungbu High-speed Line (경부고속선 궤도틀림 분포특성)

  • Choi, Il-Yoon;Lee, Jun S.;Um, Ju-Hwan;Kang, Tae-Ku;Choi, Min-Ji
    • Journal of the Korean Society for Railway
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    • v.18 no.1
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    • pp.63-70
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    • 2015
  • Track irregularities have a strong influence on the safety and the ride comfort of trains as well as track maintenance work. A statistical analysis was conducted for track irregularities data measured in Kyoungbu high speed line using a track recording car(EM120). First, the characteristics of EM120, which adopted versine measurement system, were investigated and the transfer function of EM120 was examined. The distributions of the surface and the alignment which have short wavelength were considerably high and the distribution decreased as wavelength increases. A distribution analysis of the wavelength was carried out according to EN standards and most of the track irregularities were in a D1 wavelength range. The distributions of the amplitude of track irregularities were also investigated and the results show that the distributions of track irregularities decrease rapidly as amplitude increases. These results may be helpful in making track maintenance plans and revising track irregularities criteria.

A Study on the Design of a charnel house for an Effective Use of the National Land (효율적인 국토이용을 위한 묘지조형물 디자인에 관한 연구)

  • 박종찬
    • Archives of design research
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    • v.12 no.4
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    • pp.149-159
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    • 1999
  • It is already a well-known fact, that Korean attend the funeral ceremonies with their courteous etiquette being derived from their customs succeeded from the old ancient times to the contemporary one, regarding it as of great importance. Especially in the age of Lee Dynasty, the etiquette has been a way of Confucian ideas, which has exerted a harmful influences to Korean society due to the reflection of the dutiful conciousness to the tomb customs, and that the change of the burial site and its construction works became more and more serious and excessive. In the meantime, the population has been increased according to the development of the modern industrialization and the number of the dead has also been increased, which caused the issue on the effective use of the limited national land relating to the tomb culture, as the passing of the time. Consequently, in this study on the design of the charnel house, three aspects, humane aspect pursuing the human value, like naturalism or equalitarianism, circumstancial aspect presenting minimum space and convenient space, and formative aspect expressing convenient space, and formative aspect expressing convenient charnel function, unique form and symbolism, have been considered, in order that the tomb space could be transferred to the place for the meditation looking back the meaning of the life, or the place for the comfort. Above all, the special emphasis has been put on the creation of the tomb culture, harmonizing relaxation, exercise and refinement in everyone's life. And in order to realize it, the special interest and investment should be directed not only to the materialistic culture caused from the whole hearted devotion to the development for advancing society, but to the related parts to the value of the life or spiritual culture, such a sideology, culture or environment etc., which would be led to the entrance to the real advaced country members.

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A Study on Narrative Response to the Lack of Family in the Chinese Contemporary Growth Novel After the 1990s (1990년대 이후 중국 당대 성장소설에 나타난 가족결핍과 그 서사적 대응방식)

  • Kim, Bong-yeon
    • Cross-Cultural Studies
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    • v.47
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    • pp.1-26
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    • 2017
  • This paper focuses on three novels that reflect absence of family. Conflicts caused by absence of parents or lack of function and role of parents were principle drivers fueling growth novels. In Chinese growth novels, children in a long-standing tradition of emulsion and political pressure were unable to express their conflict with parents. Out of the collective interest and only until the late 1980s, which can be found of the individuals were able to fully appreciate the growth of children. Since the late 1990s, the creative individual cases to the growth is an important point of Chinese growth. Due to a close relationship of the literature and politics further noteworthy that the growth of state for personal growth for China's growth. Reform and opening up the end of the Cultural Revolution, the emergence of new generation of cultural sensitivity with a relatively free personal attention to the growth of the chance that can be. In this paper, created since the 1990s, the growth of the stories of yuhua (余華)'s "Cry in the Rain"("在細雨中呼喊"), sutong(蘇童)'s "The Northern Part of the City"("城北地帶"), wanggang(王剛)'s "English"("英格力士"), going to go through by focusing on how to respond in the lack of family. "Cry in the Rain" shows that a consciousness orphan child abandoned main actors 'consciousness from his birth parents and adoptive parents. "The Northern Part of the City" chronicles different growth stories of children who experienced a void because of their absent families and found comfort in peer groups. "English" is distinguished from the mainstream narrative of Chinese growth in terms of creating a role model. Individual growth through the role model in that it will eventually establish their own identities and further growth. Because of that, this novel is considered best practices of Chinese growth novels. This kind of narrative, which returns to the memory of the growth of growth, has a richer connotation amid various attempts by writers out of the past era of obsession and fatigue.

The Play World Structure of EBS Character "Pengsu" (EBS 캐릭터 '펭수'의 놀이세계 구조)

  • Kim, Jeong-Seob
    • Journal of Korea Entertainment Industry Association
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    • v.14 no.3
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    • pp.267-275
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    • 2020
  • Even ordinary-looking plays can have a profound meaning. Based on this assumption, Eugene Pink (1960) has established an analytical model of play with five elements, namely "delight", "meaning", "community", "rules" and "tools." It was an effort to reflect on the true meaning of play beyond the cortical entertaining nature of play. In this study, it was carried out that all the texts containing images and performance from the EBS character "Pengsu" were selected, since he emerged as a new star in 2019. And also his play structure was analyzed by applying the Pink's model. As a result, Pengsu's play structure was confirmed to be systematic and complete as a play prototype because it was well-organized with five elements of play. It was regarded as a successful character that skillfully attracts participants to the play world. Among the components of the play, "fun" was found to be his funny appearance, sudden and unconventional behavior, "meaning" was the elimination of authoritarianism, self-esteeming and energizing, "community" was a multi-platform media user who crossed off-on-line, analog-digital-line, "rules" was to set his concept fixed as a young stranger with an ego to unreveal his identity, and "tools" was shown as his character itself and continual discourse. It shows that until now, Pengsu has a social net function of quite spreading the positive meaning of encouragement and comfort, advice and guide, consideration and forgiveness, introspection and nirvana to all members of our society, including the youth who are struggling with uncertainty and anxiety by showing rather exaggerated and stimulating performance that precisely combines these play elements.