• Title/Summary/Keyword: Movement Support

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Suggestions of Movement-Assistive Knee Pad Designs: Focusing on Preference and Satisfaction Evaluations Using Virtual Avatars' Wearing (움직임 보조를 위한 무릎 보호대 디자인 제안: 선호도 및 가상 착용 이미지를 이용한 만족도 평가를 중심으로)

  • Park, Sujin;Koo, Sumin
    • Fashion & Textile Research Journal
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    • v.22 no.3
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    • pp.271-286
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    • 2020
  • This study evaluated designs via the consumers' function and design preferences survey for using product design images, virtual avatar wearing images and product explanations that identified consumers' function and design preferences for knee protection pads as well as to develop movement assistive knee pad designs. We developed Design A for men and Design B for women. For Design A, the front of the knee supports muscles and alleviates pain with a hole. Mesh material with good ventilation was applied to enhance wearing comfort. The color was achromatic for a modern style, and the hook fastener and loops enabled easy wear and removal of the pad while controlling size and pressure strength. For Design B, taping details seamlessly support muscles in the knee area with fabrics less than 0.1 cm thick and with long sleeves in the diverse sizes. The design's satisfaction assessment showed that potential consumers were satisfied with Design A and Design B for overall design and functional features. Over 77% wanted to use/wear and purchase designs; in addition, over 78% expected it would help with walking and relieve knee pain. The results can be helpful for designers when deciding designs for manufacturing and commercializing kneepad products.

A Study on the local Environmental Impact Assessment in Germany (독일 지방자치단체환경영향평가제도 연구)

  • 정응호
    • Journal of Environmental Science International
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    • v.11 no.6
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    • pp.463-470
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    • 2002
  • Environmental protection and precaution are the most frequently considered issues in the recent research fields for our present and future surroundings. However, it seems that these environmental issues were less reflected in local-level development plans, and caused several cases of environmental pollution, therefore it became a major concern of local governments and the communities. The role of a 'Local EIA(Environment Impact Assessment)' can be a core issue for the positive preferences of the local-level development plans. Cases of Local EIA in Germany which have been implied successfully are reviewed to generate a local EIA movement and to produce a guideline for Korean local governments. The local EIA in Germany was broadly commenced in the middle of 1980s, and a decade later it was carried out for over 200 of local governments. To produce a better suggestion for Korean local EIA, comparison and analysis of detail data of the German local EIA was carried out, and tested for fourteen cities in Korea based on five categories: i) assessment subject, ii) assessment procedure, iii) main office for assessment, iv) assessment factor and v) assessment standard. Prior suggestions for greater preference of local EIA in Korea are: it is necessary that I) launch of a support system in central government to help the movement of local government; Ⅱ) a knowledge-based expert group in local government which has by all means of exclusive responsibility far any action(new application or performance of local EIA) : 111) establishment of 'environmental protection measure' in local government level for environmental precaution based on individual environmental character and values in their communities.

The Effect of Sensory Processing Areas on the Parenting Stress of Parents (감각처리 영역이 부모의 양육 스트레스에 미치는 영향)

  • Choi, Jeong-Sil;Lee, Mi-Hee
    • The Journal of Korean Academy of Sensory Integration
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    • v.2 no.1
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    • pp.33-42
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    • 2004
  • Objective : To evaluate the sensory processing ability in relation to parenting stress and find the sensory modulation areas affecting the parenting stress in disabled children Methods : Parents of 124 children with disabilities between 3 to 7 years receiving occupational therapy in Seoul and Gyeonggi-do made out the questionnaire and in items of questionnaire, Short Sensory Profile and Parenting Stress Index of short form was included. Results : Among general information, parenting stress of parents had significant correlation with the degree of disability and correlation with the lower level 2 of Parenting Stress Index. The more sensory processing disability was increased, the more parenting stress was increased. Parenting stress showed the significant correlation with movement sensitivity area and under-responsiveness/behaivor area seeking specific stimulation among sensory processing areas and had significant correlation with tactile sensitivity and auditory filtering. Sensory processing areas which affect the most the Parenting Stress were movement sensitivity and under-responsiveness/behaivor area seeking the specific behavior among sensory control disabilities. Conclusion : The parenting stress of parents with the disabled children had the correlation with sensory processing ability. The difficulty of sensory processing increased the parenting stress. Hence, in order to improve children's sensory processing ability, the appropriately coping program should be developed and the appropriate intervention for improvement of sensory processing ability of children will be necessary.

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Research of Elderly Gait-assistant-robot Control System (고령자 보행보조로봇 제어기법 연구)

  • Choi, Hyuk-Jae;Kang, Sung-Jae;Kwon, Chil-Yong;Ryu, Jei-Cheong;Lee, Suk-Min;Mun, Mu-Seong
    • Journal of Institute of Control, Robotics and Systems
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    • v.16 no.9
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    • pp.823-826
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    • 2010
  • In this study, the control method of assistive robot was developed for the elderly. The control method of gait-assistant-robot was proposed considering the change of COP (Center of Pelves), BOS (Base of Support) and comparative analysis of the moving velocity for the elderly. We analyzed the movement of COP of the body and its velocity of the elderly equipped with manual walker and gait-assistant-robot. As a result, change in COP was greater from left to right than from anterior to posterior; also, the average velocity of the movement of COP and manual walker for manual walker gait was 0.7(m/s). Therefore, it is necessary to concern more on the left-right balance and synchronization of the velocity of COP.

Earthquake response of isolated cable-stayed bridges under spatially varying ground motions

  • Ates, Sevket;Soyluk, Kurtulus;Dumanoglu, A. Aydin;Bayraktar, Alemdar
    • Structural Engineering and Mechanics
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    • v.31 no.6
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    • pp.639-662
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    • 2009
  • A comprehensive investigation of the stochastic response of an isolated cable-stayed bridge subjected to spatially varying earthquake ground motion is performed. In this study, the Jindo Bridge built in South Korea is chosen as a numerical example. The bridge deck is assumed to be continuous from one end to the other end. The vertical movement of the stiffening girder is restrained and freedom of rotational movement on the transverse axis is provided for all piers and abutments. The longitudinal restraint is provided at the mainland pier. The A-frame towers are fixed at the base. To implement the base isolation procedure, the double concave friction pendulum bearings are placed at each of the four support points of the deck. Thus, the deck of the cable-stayed bridge is isolated from the towers using the double concave friction pendulum bearings which are sliding devices that utilize two spherical concave surfaces. The spatially varying earthquake ground motion is characterized by the incoherence and wave-passage effects. Mean of maximum response values obtained from the spatially varying earthquake ground motion case are compared for the isolated and non-isolated bridge models. It is pointed out that the base isolation of the considered cable-stayed bridge model subjected to the spatially varying earthquake ground motion significantly underestimates the deck and the tower responses.

A Study on Contextuality in Contemporary Arts (현재 조형예술의 정황성에 관한 연구)

  • Kang, Tai-Sung
    • The Journal of Art Theory & Practice
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    • no.6
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    • pp.7-25
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    • 2008
  • The following thesis has been composed with the inspiration attained from Paul Ardenne's conception on Contextual Art. In Europe and in the United States, there is a group of artists who emphasize in the importance of artist's participation in social, political, economical, environmental and moral issues. Since the 1960's, these artists have pondered on Modernism's ideas where art is contextually separated from humanly issues whereas the manners of such artists put on emphasis in the intent to participate in the real human social and ethical issues. Forerunner in this field of art such as Wolfgang Leib display hybrid or meta style in their work. His work displays a quadrilateral form of pollen which represents the simultaneous blending of two mixed ideas such as the abstract from the real. Thus heterogeneous style and philosophy which includes a range of medias and today's trend is observed in Contextual Art. Such art form is also found in landscapes where it is not seen as an observable object but rather an interactive object. It is correlated to Arte Povera of the Italian Art Movement, Support-Surface of the French Art Movement and lastly to the Fluxus. Through these art movements, we find a mutual antipathy towards putting art for sales in the capitalism market and reflect the social role of art in postmodern era.

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The Role of the Gamma System in Movement and Posture (${\gamma}$계(系)의 자세(姿勢) 및 운동(運動)에 대(對)한 조절기능(調節機能)에 관(關)하여 - Stretch reflex feed back system에 있어서 ${\gamma}$계(系)의 작용(作用)을 중심(中心)으로 -)

  • Kim, Jeh-Hyub
    • The Korean Journal of Physiology
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    • v.4 no.2
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    • pp.19-24
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    • 1970
  • Since the discovery of the muscle spindle by Hassall (1831), an intensive studies of its anatomical and physiological characteristics had been undertaken. Recent morphological studies of Boyd (1962) demonstrated that the muscle spindles have two different intrafusal muscle fibers, nuclear bag and nuclear chain fiber, and these intrafusal fibers are under independent motor innervation by ${\gamma}_1$ and ${\gamma}_2$ motor neurone. Neurophysiological studies of Hunt and Kuffler (1951) showed regulatory effect of ${\gamma}$ motor neurone upon the excitability of the spindle afferents. Harvey and Mathews (1961) observed the dynamic and static characteristics of the two different spindle afferents, the primary and secondary ending. Furthermore, Mathews (1962) postulated the functional existance of two kind of ${\gamma}$ motor neurones, namely, the dynamic and static fusimotor fiber. Recent report of Kim and Partridge(1969) pointed out that the descending vestibular signals had increased the slope of the length-tension relationship in stretch reflex; Kim (1967) demonstrated that the descending vestibular impulses act upon the stretch reflex loop through the ${\gamma}$ motor pathway. These experimental evidences from the morphological and neurophysiological studies on the muscle spindles support the concept that the stretch reflex action of the skeletal muscle operates as a negative feedback control system. The author had discussed the way by which the f system participates in the control of stretch relfex feed back system. that was taken for a prototype of posture and movement.

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Perofrmance Analysis of Mobility Support Protocol in Each Layer (계층간 이동성 지원 프로토콜들의 성능 분석)

  • Lee, Hyo-Beom;Kim, Kwang-Ryoul;Hwang, Seung-Hee;Min, Sung-Gi
    • Journal of KIISE:Information Networking
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    • v.34 no.2
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    • pp.134-142
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    • 2007
  • Several mobility supporting protocols have been proposed across OSI reference layers. Each protocol has similar or different characteristics based on its operating layer which affect a handover latency. In this paper, we analyze handover performance of most representative protocols in each layer. For analysis, we use SUBNET model based Markovian model and movement model. In result, difference of protocol handover latency is not occurred by DAD but also by security, movement detection, message processing time.

A CASE REPORT ON INADEQUATE USE OF LATEX-ELASTIC RING INDUCING PERIODONTAL DAMAGE (치주적 손상을 유발하는 latex-elastic ring의 부적절한 사용에대한 증례보고)

  • Choi, Byung-Jai;Choi, Won-Kyung;Lee, Jae-Ho;Shon, Heung-Kyu
    • Journal of the korean academy of Pediatric Dentistry
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    • v.24 no.3
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    • pp.597-601
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    • 1997
  • This paper presents improper use of latex-elastic ring in movement of teeth and its consequence. Simple orthodontic movement of teeth including closure of diastema may be achieved by the use of simple method with fixed or removable appliance associated with latex-elastic ring. But, if it is used alone, it acts as a local irritant and then produces localized periodontitis. In case of localized periodontitis resulting from latex-elastic ring, diagnosis is difficult because the patient is usually unaware of the presence of the rings on the roots of the involved teeth and because the ring is not probed and is radiolucent and therefore not discernible radiographically and clinically. Occasionally, surgery is requred for the detection. This case emphasizes the necessity that the use of latex-elastic ring in closing diastema should be accompanied with removable or fixed appliance as well as close professional supervision. Its use without adequate provision for stabilization or retention on the crowns of teeth results in destruction of periodontal support and the teeth may be lost.

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Wandering As a Goal-Seeking Behavior: Examining Wanderers' Negotiation With the Physical Environment

  • Choi, Jaepil
    • Architectural research
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    • v.1 no.1
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    • pp.11-16
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    • 1999
  • Wandering behavior is a serious problem among the elderly in nursing homes, yet it has received relatively little study by those interested in gerontology. The research that has been done has generally regarded wandering behavior as an aimless, directionless movement. Only a few studies have addressed the problem after first assuming that wanderers have a goal to their movement, and fewer still have explored the role of the physical environment on the wanderer's behavior. None have combined the two approaches. In this paper, the physical environment will be looked at for support of the theory of wandering as a goal seeking behavior. In a pilot study using behavior maps, the movements of wanderers and non-wanderers are analyzed and compared for the amount of visual access and exposure their locations contain. While the behavioral implications of these two measurements are considered, the limitations of the results are also discussed, so that their relationship to the cause of wandering behavior may be better understood. By implying that wandering is not a totally aimless but purposeful behavior at least in the subconscious level, constructive design implications can be suggested that would make wandering a more pleasant experience for the wanderer and increase the ease of the nursing home staffs management of the problem.

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