팔꿉관절과 손목관절 각도가 쥐는 힘과 집는 힘에 미치는 영향

이현주,이승주,Lee, Hyun-Ju,Yi, Seung-Ju 대한물리치료학회 2003 대한물리치료학회지 Vol.15 No.4

The purpose of this study were to determine the effect on grip and pinch strength with elbow and wrist angle change. 112 college students, 88 males, and 24 females aged 19 to 34 years, participated in the study. A Grip and pinch strength was measured in two elbow position($0^{\circ}$ and $90^{\circ}$) and three wrist position($80^{\circ},\;0^{\circ},\;23^{\circ}$). The data were analyzed by mean and deviation, and t-test using the PC/SAS system. These results were obtained as follows; 1. There was a more strength grip and pinch power in $0^{\circ}$ than $90^{\circ}$ elbow flexion at three wrist angle. 2. There was a significant high grip and pinch strength in $23^{\circ}$ dorsiflexion among three wrist angle(p<0.01). 3. The grip and pinch strength power was measured higher in male than female every elbow and wrist angle(p<0.01).

북한 피바다식 혁명가극에 관한 소고

이현주(Hyun Ju Yi) 한국전통음악학회 2002 한국전통음악학 Vol.- No.3

고속 Toggle 2.0 낸드 플래시 인터페이스에서 동적 전압 변동성을 고려한 설계 방법

이현주(Hyun Ju Yi),한태희(Tae Hee Han) 대한전자공학회 2012 전자공학회논문지 Vol.49 No.9

SSD (Solid-state Drive), 더 나아가 SSS (Solid-state Storage System)와 같은 고성능 스토리지 요구 사항을 지원하기 위해 최근 낸드 플래시 메모리도 DRAM에서와 같이 SDR (Single Data Rate)에서 고속 DDR (Double Data Rate) 신호구조로 진화하고 있다. 이에 따라 PHY (Physical layer) 회로 기술을 적용하여 협소 타이밍 윈도우 내에서 유효 데이터를 안정적으로 래치하고, 핀 간 데이터 스큐를 최소화하는 것 등이 새로운 이슈로 부각되고 있다. 또한, 낸드 플래시 동작 속도의 증가는 낸드 플래시 컨트롤러의 동작 주파수 상승으로 이어지고 동작 모드에 따라 컨트롤러 내부 소모 전력 변동성이 급격히 증가한다. 공정 미세화와 저전력 요구에 의해 컨트롤러 내부 동작 전압이 1.5V 이하로 낮아지면서 낸드 플래시 컨트롤러 내부 전압 변화 마진폭도 좁아지므로 이러한 소모 전력 변동성 증가는 내부 회로의 정상 동작 범위를 제한한다. 컨트롤러의 전원전압 변동성은 미세공정으로 인한 OCV (On Chip Variation)의 영향이 증가함에 따라 더 심화되는 추세이고, 이러한 변동성의 증가는 순간적으로 컨트롤러의 보장된 정상 동작 범위를 벗어나게 되어 내부 로직의 오류를 초래한다. 이런 불량은 기능적 오류에 의한 것이 아니므로 문제의 원인 규명 및 해결이 매우 어렵게 된다. 본 논문에서는 낸드플래시 컨트롤러 내부의 비정상적 전원 전압 변동하에서도 유효 타이밍 윈도우를 경제적인 방법으로 유지할 수 있는 회로 구조를 제안하였다. 실험 결과 기존 PHY회로 대비 면적은 20% 감소한 반면 최대 데이터 스큐를 379% 감소시켜 동등한 효과를 보였다. Recently, NAND Flash memory structure is evolving from SDR (Single Data Rate) to high speed DDR(Double Data Rate) to fulfill the high performance requirement of SSD and SSS. Accordingly, the proper ways of transferring data that latches valid data stably and minimizing data skew between pins by using PHY(Physical layer) circuit techniques have became new issues. Also, rapid growth of speed in NAND flash increases the operating frequency and power consumption of NAND flash controller. Internal voltage variation margin of NAND flash controller will be narrowed through the smaller geometry and lower internal operating voltage below 1.5V. Therefore, the increase of power budge deviation limits the normal operation range of internal circuit. Affection of OCV(On Chip Variation) deteriorates the voltage variation problem and thus causes internal logic errors. In this case, it is too hard to debug, because it is not functional faults. In this paper, we propose new architecture that maintains the valid timing window in cost effective way under sudden power fluctuation cases. Simulation results show that the proposed technique minimizes the data skew by 379% with reduced area by 20% compared to using PHY circuits.

북한음악의 정체성에 관한 연구

이현주(YI HYUN-jU) 한국전통음악학회 2000 한국전통음악학 Vol.- No.1

To know about identity of North Korean vocal music, especially folks songs have been examined. A root is the same between North Korea and South Korea, but they have had different culture after division. They use the same language but the North Korea and the South Korea have a different part together in construe of terms, according to circumstances owing to different thought with each other, and then there has been the change of a conception in some parts of terms. Especially the vocal music has faithfully completed its function of music because it has an important function for ideological education of the people that is important in the inside North Korea. A society of the North Korea has been changing and an axis of this change has two meanings, which are getting obvious. One is to go into an era of internationalization, and the other is to emphasize nationalism as the most important thing. The emphasis of the nationalism as the most important was a background for taking the folk song position as popular songs in the North Korea, it means that the folk song has completely grasped cultural hegemony then and there. Also the North Korean vocal music has the essential form of nationalism, which is based on literary theory on the basis of subjective thought including identity of the people that was recreated to be pleasant to the people of the North Korea by the existing form of traditional folk songs, according to political objeas and private preference of Kim Il-sung, and then it has a function to praise Kim Il-sung father and son and to maintain their political ideology. These functions of the North Korean vocal music are the core to clear up the identity of the North Korean vocal music. The folk songs are the center of the North Korean vocal music, which have done the excavation work for traditional folk songs on a grand scale to emphasize the identity of recreated folk songs in North Korea, and then the folk songs have a solid basis to grasp cultural hegemony, according to reinterpretation of the North Korean Style (Irrespectly of public announcement or discernment). In this course I have found lack unified terms among North Korean scholars, and have found development of the point of an argument that gave me different feelings, but the basic point of view doesn't get out of instruction of Kim Il-sung and Kim Jung-il and subjective literary theory as ever. This is again compressed as 3 types. Firstly, it is a function of the North Korean Vocal Music. If I am to speak about it briefly, it is especially unique in view of the function as keen arms of "the people's cultural thought" called by them rather than just enjoyment or possession. Secondly, security of historical orthodoxy is culturally demanded, which seems to be affected by thought of sovereignty and independence running the North Korea by and large. The folk songs seem to act on the core for establishing the orthodoxy. Thirdly, the basis of the vocal music is based on thought rather than musical arts itself In case of musical creation, it is nearly impossible not to intervene in emotion and thought of composers, but especially it is difficult for musical creative activities to deny totalitarian character in North Korea.

원주시 지역사회중심 재활사업 평가

이충휘(Yi Chung-hwi),이현주(Lee Hyun-ju) 한국전문물리치료학회 2003 한국전문물리치료학회지 Vol.10 No.1

This study evaluated the community-based rehabilitation services provided by the Wonju Public Health Center from Jan. 2000 to Dec. 2002. Ninety-four persons with disabilities dwelling in the community participated and the surveys were completed in an interview during home visits. The respondents’ demographic, socio-economic, and medical characteristics, rehabilitation service received, willingness to receive home-visit rehabilitation services, and satisfaction with the rehabilitation services were analyzed by frequency and percentage. A Likert scoring system consisting of five agreement-disagreement categories was applied to each item, consisting of Very Satisfied, Satisfied, So-So, Poorly Satisfied, and Very Poorly Satisfied. The major findings were as follows: 1) The rehabilitation services used included medical rehabilitation (26.9%), followed by social assistance (23.5%), diagnosis by a physician at home (17.3%), medical examination (12.3%), housekeeping services (6.2%), and vocational and educational rehabilitation (3.5%). 2) Of the medical services, the respondents desired physical therapy at home and free rental of rehabilitation equipment, such as wheelchairs, canes, walkers, the most, followed by home visit occupational therapy, nursing services, and oriental medicine service in descending order. 3) Some of the respondents expressed so-so satisfaction (50.0%) or dissatisfaction (16.9%) with the rehabilitation services provided by the Wonju Public Health Center. These findings should prove useful when planning or extending community-based rehabilitation programs for the homebound disabled in the community.

농촌 재가 장애인의 가정방문 재활서비스 욕구도 분석

이충휘(Yi Chung-hwi),이현주(Lee Hyun-ju),박경희(Park Kyoung-hee),안덕현(Ahn Duck-hyun) 한국전문물리치료학회 2002 한국전문물리치료학회지 Vol.9 No.2

The purposes of this research were to investigate home care rehabilitation services in rural areas and to collect basic data about disabled persons necessary when for carrying out rehabilitation services. Respondents were selected from six of a total of eight townships (Myon) and one town (Eup) in the Wonju city area. Wonju is in Kangwon Province (Do). Of a total of 338 names provided by the Myon offices, 298 persons were located and included registered and non-registered persons. Conditions included stoke, spinal cord injury, and cerebral palsy in addition to disabilities classfied as first, second or third degree, in the case of registered cases. Respondent demographic characteristics, medical characteristics, rehabilitation service needs, willingness to receive rehabilitation service and individual opinions regarding rehabilitation service were analysed by frequency and percentage. The results were as follows: 1) Rehabilitation service received by disabled persons living at home in the rural areas surrounding Wonju city were medical rehabilitation (41.7%), diagnosis (36.5%), rehabilitation assistive devices (7.6%), social assistance (7.1%), rehabilitation counseling (3.0%), vocational rehabilitation (1.8%), educational rehabilitation (1.6%) and housekeeping services (0.5%). The majority of rehabilitation services were medical rehabilitation provided at a hospitals and oriental medicine hospitals. 2) Sixty point eight percent of respondents expressed their willingness to receive home care rehabilitation services. Needs expressed were highest for medical rehabilitation (27.0%), followed by social assistance (19.4%), medical examination (12.4%), physician-generated diagnosis in the home setting (11.6%), sociopsychological rehabilitation (9.3%), vocational rehabilitation (7.6%), rehabilitation engineering (6.0%), educational rehabilitation (3.3%), and housekeeping services (3.3%). 3) Rehabilitation service needs were analyzed by severity classification: 65.8% of first degree, 62.7% of second degree and 55.6% of third degree disability classification, and 62.7% of non-registered disabled individuals responded that rehabilitation service was necessary. 4) Rehabilitation service needs were also analyzed by diagnosis: 62.6% of stroke, 85.5% of amputation, 60.0% of spinal cord injury and 52.4% of traumatic brain injury respondents answered positively that they were willing to receive Rehabilitation service if it were to be provided. Rehabilitation service utilization data of disabled individuals living at home in rural areas were investigated and their rehabilitation needs analyzed. This critical information can be used when community-based rehabilitation programs for disabled persons living at home are planned for provision out of a public health center or when community-based rehabilitation welfare policy is formulated.

농촌지역 재가장애인의 일상생활 수행능력 실태조사

이충휘(Yi Chung-hwi),박경희(Park Kyoung-hee),이현주(Lee Hyun-ju) 한국전문물리치료학회 2000 한국전문물리치료학회지 Vol.7 No.3

Although the availability of home care rehabilitation services have been greatly increased since community - based rehabilitation was introduced to Korea, there is still a dearth of studies investigating the performance level of ADL (activities of daily living) for the physically disabled in the rural areas. The purposes of this study were to investigate the ADL performance level of disabled per son s living at home in the rural areas of Wonju city, Korea, using FIM (functional independence measure) and to identify the specific areas of the ADL to be trained or evaluated by physical therapists or occupational therapist s. 298 disabled people were interviewed by 10 physical therapy students. Analysis of the interviews indicated: 1) Forty seven point seven percent of the respondents were elderly - disabled persons whose ages were 61 years old or above, and 69.5% of respondent s has the history of chronic disability period of 5 years or more. 2) FIM score of bathing, and stairs climbing showed severe dependent trend 3) FIM scores of self- feeding, urination , defecation, and comprehension ability were mildly dependent . These results revealed that functional evaluation/ treatment for discharging from hospitals to the rural areas should be emphasized on the specific ADL performance areas such as bathing, and stairs climbing.

WOMAC-VA3.0의 타당도 및 신뢰도 -일부 슬관절 및 고관절 골관절염환자를 대상으로-

이승주 ( Seung Ju Yi ),이현주 ( Hyun Ju Lee ),우영근 ( Young Keun Woo ) 한국전문물리치료학회 2008 한국전문물리치료학회지 Vol.15 No.2

내,외측 Wedge와 넙다리네갈래근 각의 차이가 안쪽빗넓은근/가쪽넓은근 비에 미치는 영향

유원규 ( Won Gyu Yoo ),이현주 ( Hyun Ju Lee ),이충휘 ( Chung Hwi Yi ) 한국전문물리치료학회 2005 한국전문물리치료학회지 Vol.12 No.2

정적인 스쿼트 운동시 복합적인 하지의 자세가 가쪽넓은근과 안쪽빗넓은근의 근활성도에 미치는 영향

유원규(Yoo Won-gyu),이충휘(Yi Chung-hwi),이현주(Lee Hyun-ju) 한국전문물리치료학회 2004 한국전문물리치료학회지 Vol.11 No.3

Most exercise for Patellofemoral pain syndrome (PFPS) has focused on selectively strengthening the vastus medialis oblique muscle (VMO). Although open chain knee extension exercises are effective for in creasing overall quadriceps strength, they are not always indicated for PFPS rehabilitation. This study was designed to identify the effect of combined posture of lower extremity on Electromyographic (EMG) activity of the vastus lateralis muscle (VL) and VMO during static squat exercises. The subjects were twenty young adult males who had not experienced any knee injury and their Q-angle was within a normal range. They were asked to perform static squat exercises in five various postures using their lower extremities. The EMG activity of the VL and VMO were recorded in five exercises by surface electrodes and normalized by %MVC values derived from seated. isometric knee extensions. The normalized EMG activity levels (%MVC) of the VL and VMO for the five postures of the lower extremities were compared using one way ANOVA with repeated measures. Results of repeated measures of ANOVA’s revealed that exercise 3 and exercise 5 produced significantly greater EMG activity of VMO/VL ratios than exercise 1 (p<.05). When the static squat exercise was combined with hip adduction and toes pointed outwardly, the EMG activity of VMO/VL rates was increased. The EMG activity of VMO/VL ratio was highest during static squat exercises per formed on a decline squat. These results have important implications for progressive and selective VMO muscle strengthening exercises in PFPS patients.