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정찬주 ( Chan-ju Jeong ),유영대 ( Young-dae Yoo ),김은정 ( Eun-jung Kim ) 한국고등직업교육학회 2009 한국고등직업교육학회논문집 Vol.10 No.3
This study compared and measured the flexibility and retention period of PNF(Proprioceptive Neuromuscular Facilitation), Bouncing, and NDM(Neuro Dynamic Mobilization) so that it proved the excellence of each stretching technique. Fifteen subjects with the dearth of hamstring flexibility participated in this study. The subjects divided into three groups. Each group was apported 5 subjects(2 men, 3 women). The result of four-week-exercise suggested that the flexibility of hamstring has been enhanced after applying those stretching techniques. According to the study, Bouncing topped the list when it came to the flexibility, followed by PNF and NDM. However, there was difference on Retention period; the result showed that the flexibility of hamstring applied PNF maintained remarkably but the flexibility of hamstring was not significant as time went by. The study proved that Bouncing was effective to improve the flexibility for a while, wheres PNF had an effect on retention period of flexibility.
안정화 운동과 근력운동이 비특이성 요통환자의 통증, 관절가동범위, 근력, 근 두께에 미치는 영향
정찬주 ( Chan Ju Jeong ),양회송 ( Hoe Song Yang ),유영대 ( Young Dae Yoo ),노현준 ( Hynu Jun Kno ),장윤형 ( Yun Hyung Jang ),문경애 ( Kyoung Ae Moon ),이윤경 ( Kyong Yun ),임창우 ( Chang Woo Lim ),조실금 ( Sil Geum Cho ) 대한통합의학회 2014 대한통합의학회지 Vol.2 No.1
Purpose : The purpose of this study was to find the effects of the lumbar stabilization exercise and strength exercise on pain, ROM, strength, muscle thickness of low back pain(LBP) patients. Method : The subjects were consisted of twelve patients who had nonspecific LBP. All subjects randomly assigned to lumbar stabilization exercise group(N=6) and strength exercise group(N=6). We measured muscular strength, ROM by using Tergumed-extension, rotation and muscle thickness by using ultrasonography and pain score by using Visual analog scale(VAS). The lumbar stabilization exercise group received TOGU exercise, strength exercise group received Tergumed exercise. The data analyzed by repeated measure of Independent t-test, paired t-test, reliability test. Result : The results were as follows. The result which measured of the change of pain score was a significant decrease. The result which measured of the change of ROM and strength was a significant increase. The result which measured of the change of the Internal abdominal oblique, External abdominal oblique on muscle thickness was a significant increase. Stabilization exercise group and Strength exercise group showed the significant difference in muscle thickness on Transversus abdominis, Multifidus. Stabilization exercise group was more increased in muscle thickness. Conclusion : Therefore, we suggest that stabilization exercise is effective for non-specific low back pain.
CDMA 이동통신 시스템에서 불규칙한 기지국 안테나 높이를 고려한 장소적 열화율
정찬주(Chan-Ju Jeong),김광준(Kwang-Jun Kim),홍성수(Seong-Soo Hong),박래수(Rae-Soo Park),나상동(Sang-Dong Ra) 한국정보과학회 1995 한국정보과학회 학술발표논문집 Vol.22 No.1
CDMA 셀룰라 이동통신 시스템 설계에서 통화품질의 개선을 위해 불규칙한 기지국 안테나 높이를 고려하여 반송파대 간섭과 전력비(CIR)에 의한 장소적 열화율의 특성을 나타내었다. 본 논문은 7셀 3섹터의 셀 배치구조에서 동일채널 간섭 수신레벨과 인접채널 간섭 수신레벨을 고려한 기지국 위치와 안테나 높이의 불규칙성에 따른 반송파대 간섭비가 장소적 열화율에 미치는 특성을 분석하고, 불규칙한 안테나 높이를 정규분포로한 확률밀도 함수와 장소적 열화율의 누적분포를 구하여 실효치 CIR 5dB일때 소요품질을 5%로 적용하여 기지국 안테나 높이를 평균 30m, 표준편차 10m내에서는 94% 이상의 기지국에서 만족함을 입증하였다.
승모근 상부의 압통역치와 근활성도에 전기자극 변수가 미치는 영향
정찬주 ( Chan-ju Jeong ),유영대 ( Young-dae Yoo ),김은정 ( Eun-jung Kim ) 한국고등직업교육학회 2010 한국고등직업교육학회논문집 Vol.11 No.1
The purpose of this study was to compare the effect of frequency conditions on muscle activity and VAS in upper trapezius muscle. We selected thirty with men and women with upper trapezius muscle pain, ranging from 20 to 25 years of age. We used SSP, ICT, MWD as treatment devices and analysed one way ANOVA, T-test in windows SPSS Ver. 12.0 A level of significance is α <0.05. The results of this study were as following. Significant changed of pressure pain threshold was noticed in MWD group. Significant change of muscle activity was notice in SSP and MWD group. MWD groups were significantly higher than ICT that of muscle activity and pressure pain threshold. These result shouwed that MWD is effective treatment method for pain control in myofascial pain syndrome on upper trapezius.
양회송,허자은,김보영,서동용,안창헌,양훈경,정찬주,이형수,Yang, Hoe-Song,Heo, Ja-Eun,Kim, Bo-Young,Seo, Dong-Yong,An, Chang-Heon,Yang, Hun-Kyung,Jeong, Chan-Ju,Lee, Hyoung-Soo 대한물리치료과학회 2005 대한물리치료과학회지 Vol.12 No.3
The purpose of this study is to find out factors(shoulder level, acromion-occipital length, spine alignment, spine-scapula inferior angle length) of pain of neck & shoulder by 3 Dimensional Moire Scanner. 50 female student s aged 20 to 25 years old participated who lived in Sun-cheon si Jeonnam. They were examined with three measurement methods(Visual Analogue Scale : VAS, Algometer, 3 Dimensional Moire Scanner(IBS-2000). According to the results of multiple regression analysis. 1) There was a significant difference with shoulder level and spine-scapula inferior angle based on VAS. 2) There was a significant difference with shoulder level based of Algometer measurement value in Rhomboid muscles.
신장운동의 적용방식이 무지외반증의 각도와 근활성도 변화에 미치는 영향
송지영 ( Ji Yeong Song ),김윤희 ( Youn Hee Kim ),김주리 ( Ju Ri Kim ),안은혜 ( Eun Hye An ),유지호 ( Ji Ho You ),김성용 ( Sung Yong Kim ),정찬주 ( Chan Joo Jeong ),양회송 ( Hoe Song Yang ),유영대 ( Young Dae Yoo ),배세현 ( Sea Hyu 대한통합의학회 2015 대한통합의학회지 Vol.3 No.4
Purpose: The purpose of this study was to effect of application methods of stretching exercise on angular variation and muscle activation changes in the hallux valgus. Method : This study was performed on twenty subjects. Twenty subjects were divided into two groups; Agonist Contraction(AC)(n=10), Hold-relax with Agonist Contraction(HR-AC)(n=10). Both of the group performed the exercise 5 times a week for 6 weeks. The data was analyzed by the paired t-test for comparing before and after changes of factors in each group and the independent t-test for comparing the between groups. Result : In the within group comparisons, HR-AC group abductor hallucis muscle activity showed significant difference between before and after the intervention(p<0.01). And all the two groups, there were significant decreased in hallux valgus angle(p<0.01). In the comparison of the two groups, there were significant difference among the two groups in abductor hallucis muscle activity(p<0.01). Conclusion : The findings of this study, we found that the HR-AC technique were more effective than AC technique in increase in abductor hallucis muscle activity.
연구보문 : 지역 한우 브랜드의 개체관리 현황과 발전방향
이지웅 ( Ji Woong Lee ),김상로 ( Sang Ro Kim ),이명지 ( Myeong Ji Lee ),조주완 ( Young Sin Kim ),정승현 ( Seung Hyun Jeong ),최영선 ( Young Sun Choi ),이종현 ( Jong Hyun Lee ),정찬주 ( Chan Ju Chan Ju Chung ),문승주 ( Seung Ju 한국국제농업개발학회 2011 韓國國際農業開發學會誌 Vol.23 No.3
1. "녹색한우"사업단은 광역 한우 브랜드로서 규모가 크고 품질 고급화를 위하여 사양관리를 통일하고 품질의 균일성 확보를 위하여 중장기 육종전략을 수립하여 한우 브랜드를 육성시키고 있다. 2. 한우 개량을 위한 기본적인 개체정보 수집을 위하여 개체관리 자동화시스템을 구축하여 참여 대상축에 대한 DB를 구축함과 동시에 개체별, 출생정보, 혈통정보, 번식정보, 발육능력정보 등 다양한 정보를 정확하게 수립·관리할 수 있는 기반을 구축하였으며, 이를 근거로 한우 축군의 유전능력평가를 실시하여 우량 암소축군을 구축하고 관리할 수 있는 기반을 마련하였다. 그러나 상당수의 한우 브랜드는 이러한 체계적 관리시스템을 구축하지 못한 실정이며 특정 보증씨수소에 의한 개량의존도가 심화되고 있어 빠른 문제해결을 위한 방안을 마련해야 할 것이다. 3. 유전적으로 능력이 우수한 암소의 경우도 한우산업의 특성상 2산 이상의 경우 경제적 가치의 저하로 인하여 조기에 도축하는 경우가 빈번하게 일어나고 있으며, 이는 정부차원에서 우량 암소의 다산장려 정책을 추진하고 있음에도 농가의 현장적용의 효과가 부족한 것은 유전능력 평가에 의한 검증된 우량 암소 축군의 구축보다는 표현형적 자료에 근거한 표현형 선발이 진행되어 다음 세대의 송아지 능력 예측이 어려운 점 등 육종전략과 계획교배 부재 등으로 인하여 한우 브랜드의 축군 관리지침이 없다는 현실을 반영한 것이라 할 수 있다. 4. 따라서 한우 브랜드의 성공적 육성을 위하여 한우 브랜드에 참여하는 암소 축군에 대한 유전적 평가를 실시하여 우량 암소 축군을 조성한과 동시에 한우 브랜드의 차별화를 위한 자구적 육종전략 수립이 필요하다. The objectives of this study were to establish an automatic individual management system using electronic ear tag with RFID chip in Hanwoo and to evaluate an inbreeding coefficients of herd to counsel the breeding scheme and its development strategies for "Green Hanwoo" brand. The individual management system for the "Green Hanwoo" brand consisted of the 3 factors such as an ear tag with RFID chip, a mobile device for recognizing an ear tag, and a body weight measurement scale with indicator including wireless functions to send the individual information to the mobile device. This system was especially applied to 16 breeding farms only and its herds in "Green Hanwoo" brand and collected automatically the informative individual information such as birth date, sex, pedigree, and growth performance and reproductive records in "Green Hanwoo" herds. All data collected from individuals of Hanwoo herds were analyzed to calculate an inbreeding coefficients based on a pedigree information. Some of individuals in each farm had somewhat higher inbreeding coefficients due to an inappropriate mating scheme which was resulted in a decrement of genetic gain or improvement in entire herds of "Green Hanwoo" brand. Therefore, we should consider the genetic diversity of Korean proven sire and the breeding scheme with the long term development strategies for a distinguished local Hanwoo Brand, "Green Hanwoo".