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구두 굽 높이에 따른 보행시 복직근과 기립근의 근활성도 변화
김성길,임동호,공응경,Kim, Seong-Gil,Im, Dong-Ho,Kong, Eung-Kyung 대한물리치료과학회 2012 대한물리치료과학회지 Vol.19 No.2
Purpose : The purpose of this study was to investigate the effect of different heel height on the electromyographic (EMG) activity in Rectus abdominis (RA) and Erector spinae (ES) during gait activity. Methods : A repeated measures design was used. 33 healthy females carried out a standardized gait activity under 3 conditions; with heel wedges of 1, 7, and 12cm in height. EMG activity was recorded from RA and ES during the activity. Data was analysed using the repeated one-way ANOVA. Results : First, as the shoe-heel height was getting higher, change of muscle activation indicated the statistically significant difference in rectus abdominis(p<0.05). Second, as the shoe-heel height was getting higher, change of muscle activation indicated the statistically significant difference in erector spinae(p<0.05). Conclusion : We found that as heel height increased, there was an increase in EMG activity in both RA and ES. This indicated that no RA : ES imbalance was elicited. This study provides information that will inform future research on how heel height affects muscle activity around the trunk.
안와주위에 두개골이식을 통한 안구함몰의 이차적 성형재건 치험례
김성길,Kim, Sung-Gil 대한악안면성형재건외과학회 1998 Maxillofacial Plastic Reconstructive Surgery Vol.20 No.4
In the midfacial fracture, the orbital region presents many additional complication unique to the orbit. Among them are ectropion, entropion, lid ptosis, injury to the lacrimal apparatus, diplopia or the late development of enophthalmos. The residual problem confronting the surgen is usually enophthalmos or diplopia. Enophthalmos becomes cosmetically obvious at 3mm and if more severe it can interfere with vision from obstruction by the orbital rim. In this clinical situation, many patients prefer the simpler intraorbital volume expansion to the more complex orbital osteotomy. In general, except in mild cases of enophthalmos, the procedure of choice is osteotomy and repositioning for zygoma fracture and volume augmentation for blow-out fracture. Late treatment is performed by volume augmentation based on the CT findings behind the axis of the globe. Inferiorly placed grafts elevate the globe, posterior superior grafts move the globe anterior and medially positioned grafts push the globe laterally. In this two cases, the patients who has stable orbitozygomatic rim, the use of calvarial bone grafts more than 3 areas around intraorbital content, we corrected late enophthalmos combined with diplopia. As result, the first patient had 2mm advance in exophthalmometric check with improvement of the diplopia gradually. The second patient had 1.5mm advance with correction of vertical ocular dystopia and cosmetically good results respectively.
김성길,Kim, Seong Gil 연세대학교 의과대학 2010 의학교육논단 Vol.12 No.2
The purpose of this article is to propose an alternative viewpoint on medical education, known as the Erudition paradigm. This study aims to confirm the essence of erudition rather than teaching and learning through discussing the foundations of self-directed learning principles in medical education. By reactivating the meaning of self-directed learning, this study debates the proprieties of the erudition paradigm beyond pedagogy; that is to say, the school-oriented educational paradigm. After all, this study reveals that all humans are Homo Eruditio, born with an erudite instinct, and it is necessary to inspire his/her encouragement in erudition by using self-directed learning.
2액형 폴리우레탄 도료에 관한 연구 (Ⅱ) - 폴리우레탄 도료의 제조와 도막물성 -
김성길,정경택,박홍수 ( Seong Kil Kim,Kyeng Teak Chung,Hong Soo Park ) 한국유화학회 1995 한국응용과학기술학회지 Vol.12 No.1
The 2-packaged polyurethane coatings were synthesized, blending pheylmodified polyesters(of which synthetic methods were reported in the previous paper), Desmodur L-75(polyisocyante widely used for coatings), wetting-dispersing agent, white pigment, etc. A variety of coating properties were tested for the coating treatment polyurethane coatings. Compared with conventional 2-packaged polyure-thane coating, abrasion resistance and lightness index difference of the ones synthesized in the present work were somewhat decreased, but the coating properties such as hardness, gloss specular, cross hatch adhesion, etc. were improver. Especially, resistance against chemical reagents and salt were strikingly improved. In addition, the coatings had short drying time and long pot-life. This shows that the coatings are appropriate for rapid drying coatings.
비전 이미지 프로세싱을 이용한 외관검사가 가능한 기계시스템 및 비전 알고리즘 개발
김영춘(Kim, Young-Choon),김영만(Kim, Young-Man),김성길(Kim, Sung-Gil),김홍배(Kim, Hong-Bae),조문택(Cho, Moon-Taek) 한국산학기술학회 2016 한국산학기술학회논문지 Vol.17 No.2
본 논문에서는 저가의 카메라를 활용하여 육안 검사로 해왔던 c-tray와 관련된 불량을 비전 이미지 기술을 활용하여 자동으로 검사하였으며, 4대 검사항목인 트레이내 디바이스 겹침, 트레이 휨, 트레이 적재수량, 트레이내 디바이스 포켓 이탈 등 불량유형을 define 및 검출하는 알고리즘을 개발하였다. 따라서, 개발한 헨들링 시스템으로 인해 c-tray의 스택이나 기타 포장 공정에서의 수량 확인 공정 등에 확대 적용이 가능하였다. 그리고 제어를 활용한 비전 이미지를 처리하고 사용자 gui를 처리하는 제어프로그램과 스캔 속도에 맞춰 최적의 검사 이미지를 확보할 수 있는 기계 작동제어 프로그램을 개발하여 비전 데이터 처리와 이미지 획득이 가능한 기계 시스템을 설계하였다. In this study, the defect in connection with a C-tray was inspected using a low-cost camera. The four test items were the device overlapping in the tray, the bending of the tray, the loaded quantity of the tray, and the device pocket leaving, an algorithm was developed for defining and detecting the above defect types. Therefore, the developed handling system could extend the application of the stack of the c-tray and provide a quantity verification inspection on the packing processing. The machine operation control program, which can ensure the optimal inspection image to match the scan speed, was developed and the control program that can process the user gui and the vision image utilizing the control was developed. Overall, a mechanical system that is practicable for obtaining an image and processing the vision data was designed.