전부도재관용 레진시멘트의 생체적합성에 관한 연구

김광준,김성훈,진태호,Kim Kwang-Jun,Kim Sung-Hoon,Jin Tai-Ho 대한치과보철학회 2003 대한치과보철학회지 Vol.41 No.2

Statement of problem : Resin cements were used widely on all ceramic crowns, but the influence of resin cements on biocells was not understood clearly. Purpose : This study was investigated to evaluate the biocompatibility of resin cements for all-ceramic crowns. Material and Method : The resin cements used in this study were Panavia F (Kuraray Co., Ltd. Japan), Variolink II (Vivadent Ets., Schann / Liechtenstein), and Bistite II (Bistite dual cure resin cement-clear Tokuyama Soda Co. Japan). The viability of normal human oral keratocytes, gingival fibroblast, and gingival fibroblast immortalized by Human Papilloma virus 16 was measured in vitro for evaluation of cytotoxicity on resin cements, and the response of pulp tissue was analyzed and evaluated with light microscope after application of cements at cutting edge of incisors. Results : The normal human oral keratocytes was the most sensitive to toxicity of resin cement, and toxicity of cements was higher in Bistite II than in Variolink II. The cell viability of immortalized gingival fibroblast did not affected by type of cement and cultivation period, but there was a tendency that cytotoxicity in Bistite II was higher than in Variolink II. The cell viability of gingival fibroblast was similar to that of immortalized gingival fibroblast regardless of cement type, but Bistite II showed more toxic than others after 5 days cultivation. The responses of pulp tissue according to cement type were similar after 2 days cultivation, but revealed high toxicity in Bistite II after 10 days cultivation. Conclusion : Variolink II was more biocompatible than any other resin cements used in this study.

연성 의치상 이장재의 염색 저항성에 관한 연구

김광준,조혜원,진태호,Kim, Kwang-Jun,Cho, Hye-Won,Jin, Tai-Ho 대한치과보철학회 2000 대한치과보철학회지 Vol.38 No.4

This study was investigated to compare the staining resistance of soft denture liners. Specimens were made of Coe-soft, Coe-comfort, Soft-liner, Visco-gel, and were stored in 1% methyleneblue solution for 24 hours. The amounts of color change before and after treatment with mono-poly and thermocycling were measured by colorimeter(TC-6FX, Tokyo Denshoku Co. Ltd, Japan) for evaluation of staining resistance. The following conclusions were drawn from this study. 1. The staining resistance of Visco-gel was increased, but there was no changes of staining resistance in Coe-soft, Coe-comfort, and Soft-liner after treatment with monopoly. 2. The staining resistance of the Coe-comfort was the least in all soft denture liners. 3. The staining resistance of Visco-gel and Soft-liner were decreased after thermocycling.

결정 궤환을 이용한 병렬 수신기에서 직접순차 확산 스펙트럼 시스템의 성능

김광준(Kwang-Jun Kim),정찬주(Chan-Joo Jeong),나상동(Sang-Dong Na),배철수(Chul-Soo Bae),장성환(Sung-hwan Jang) 한국통신학회 1994 한국통신학회 학술대회논문집 Vol.1994 No.11

코어 근육 강화 트레이닝이 여자 프로 골퍼의 유연성, 근력 및 드라이버 수행력에 미치는 영향

김광준 ( Kwang Jun Kim ) 한국스포츠정책과학원(구 한국스포츠개발원) 2009 체육과학연구 Vol.20 No.2

본 연구의 목적은 여자 프로 골퍼를 대상으로 유연성과 근력 운동을 복합한 12주간의 코어 근육 강화 트레이닝이 코어 부위의 유연성과 근력 그리고 드라이버 수행력의 변화에 미치는 영향을 규명하는데 있다. 연구대상자들은 한국여자프로골프협회 회원으로서 트레이닝 집단(Training Group, TG: 9명-정회원 4명, 준회원 5명)과 통제집단(Control Group, CG: 8명-정회원 4명, 준회원 4명)으로 구분하였다. 12주간의 코어 근육 강화 트레이닝을 실시하기 전과 후에 코어부위에 대한 유연성, 최대근력, 등척성근력 및 드라이버 수행력의 변화를 비교 분석하였다. 유연성으로는 체전굴과 체후굴, 최대근력으로는 백 익스텐션과 스쿼트, 등척성 근력으로는 배근력, 그리고 드라이버 수행력으로는 클럽헤드 스피드, 볼 스피드, 공중 비거리의 차이를 알아보았으며, 다음과 같은 결과를 얻었다. 유연성 변화 중 체후굴과 등장성 최대근력 변화 중 백 익스텐션 및 스쿼트에서 트레이닝 집단이 통제집단에 비해 코어 근육 강화를 위한 복합 트레이닝으로 인해 유의하게 더 큰 향상을 보였다. 유연성 변화 중 체전굴과 등척성 근력인 배근력 변화는 트레이닝 집단과 통제집단 사이에 유의한 차이를 나타내지 않았다. 드라이버 수행력은 클럽헤드 스피드와 공중 비거리에서 트레이닝 집단이 통제집단에 비해 유의하게 더 많은 향상을 보였다. 결론적으로 유연성과 근력 운동을 복합한 12주간의 코어 근육 강화 트레이닝은 여자 프로 골퍼의 코어 부위의 유연성은 물론 허리와 하지의 근력을 향상시키고 드라이버 수행력 향상에도 도움을 주는 것으로 나타났다. 그러므로 여자 엘리트 골퍼들은 과학적이고 체계적인 코어 근육 트레이닝이 지속적으로 적용되어야 할 것으로 사료된다. The purpose of this study is to investigate the effect of 12weeks combined training for core muscle strengthening on flexibility and strength of core and driver shot performance in female pro-golfer. The subjects participated in this study were members of KLPGA. They were divided into two groups(training group: 9, control group: 8). The change of flexibility(forward flexion, back flexion), maximal strength(back extension, squat), isometric strength(back strength) on core muscle and driver shot performance(ball speed, clubhead speed, carry distance) were measured before and after 12weeks combined training. The results were as follows; In physical fitness of core, back flexion and maximal strength of back extension and squat increased significantly in training group following 12 weeks of core muscle strengthening training. In driver shot performance, clubhead speed and carry distance increased significantly in training group following 12 weeks of core training. The findings of the present study showed 12weeks combined core muscle training had positive effects on flexibility and strength of core muscle. Moreover, it was effective in enhancing driver shot performance in female pro-golfer. This suggests that application of specific and scientific core muscle training should be done continuously in female pro-golfer.

여자 일반, 국가대표, 프로 골프선수의 체력비교 및 드라이버거리와 평균스코어와의 관련성

김광준 ( Kwang Jun Kim ),박동호 ( Dong Ho Park ) 한국운동생리학회 2015 운동과학 Vol.24 No.3

PURPOSE: The purpose of this study was to analyze the differences of physical fitness and examine the relationship with driver distance and average score in elite female golf players METHODS: 100 female golf players were classified into general golf player (GGP, n=30), national golf player (NGP, n=30) and pro golf player (PGP, n=40). Subjects performed the physical fitness trial: lung function (FEV1, FVC), flexibility (shoulder rotation, trunk forward flexion, trunk backward extension), strength (back strength, hand grip strength, maximal strength), muscle power (peak power, sargent jump), muscle endurance (mean power, sit up, push up) and isokinetic strength (knee and trunk). One-way repeated ANOVA was used to evaluate the differences between three groups and pearson``s correlation analysis was applied to examine the relationship between performance factor (driver distance and average score) and physical fitness. RESULTS: The results of this study indicated that the NGP was significantly higher in trunk backward extension, sargent jump, push up and isokinetic trunk extension compare with the GGP (p<.05). Bench press 1RM and isokinetic trunk flexion were significantly higher in PGP than GGP and NGP (p<.05). There was a significant relationship between driver distance and peak power(r=.254), isokinetic trunk extension(r=.229). Also average score showed a significantly relationship with driver distance (r=-.276), bench press 1RM (r=-.310), push up (r=-.429), isokinetic trunk flexion (r=-.273) and isokinetic trunk extension (r =-.265). CONCLUSIONS: National and pro golf players have higher level of physical fitness than general golf players. And driver distance and average score were strongly related with maximal strength, muscle endurance, isokinetic trunk strength, and peak power. Therefore, efficient and specific training program should be planned for performance improvement in elite female golf players.

체급별 국가대표 복싱선수의 폐기능, 무산소성 파워 및 등속성 근력 비교 연구

김광준 ( Kwang Jun Kim ),정진욱 ( Jin Wook Chung ) 한국운동생리학회 2008 운동과학 Vol.17 No.2

엘리트 복싱선수들의 체중감량법에 따른 인체환경 요인 비교 분석

김광준(Kwang-Jun Kim),김영수(Young-Soo Kim),송홍선(Hong-Sun Song),박세정(Sae-Jong Park),정진욱(Jin-Wook Chung),이장원(Jang-Won Lee) 한국생활환경학회 2013 한국생활환경학회지 Vol.20 No.4

The purpose of this study was to find out the difference of human environmental factors(physical fitness and stress hormone) between two weight loss methods in national boxing players. 8 male boxers in national team participated in this study. In the 1st weight loss period(WLP), boxers took rapid weight loss during short period by using fast and sauna. In 2nd WLP, boxers took weight loss 1.5 kg per week during 2 weeks and received the systematic physical/nutritional program. The change of physical fitness and stress hormone were measured before and after weight loss of each period. The results were as follows. First, pulmonary function, isometric strength(back strength, left grip strength), isotonic maximal strength(bench press), and isokinetic strength(trunk extension) showed significant decrease after 1st WLP. However in 2nd WLP, all factors of physical fitness showed a tendency to improve or maintain and no factors were significantly decreased. Second, in stress hormone, there was no significant difference before and after WLP. However, cortisol and DHEA at wake-up time and cortisol at 11am showed a tendency to increase in 1st WLP. In conclusion, unscientific weight loss can cause problems in the conditioning of the boxing players. Therefore elite boxing players need a scientific weight loss method and systematic training program during WLP to maintain optimal conditioning.

골프 숙련자와 비숙련자의 Iron Shot에 따른 손상 발생빈도가 높은 부위의 IEMG(Integral EMG) 비교 분석

김광준 ( Kwang Jun Kim ) 한국운동생리학회 2008 운동과학 Vol.17 No.1

소프트웨어 공급망 관리를 위한 글로벌 솔루션 동향

김광준(Kwang-jun Kim),이만희(Man-hee Lee) 한국정보보호학회 2022 情報保護學會誌 Vol.32 No.5

한국 국가대표 복싱선수들의 체급별 신체조성 및 전문체력 프로파일

김광준 ( Kwang Jun Kim ),송홍선 ( Hong Sun Song ),민석기 ( Seok Ki Min ) 한국운동생리학회 2016 운동과학 Vol.25 No.1

PURPOSE: The purpose of this study was to analyze the differences of body composition and specific physical fitness by weight category, and examine the reciprocal relationship in the national amateur male boxers. METHODS: The national amateur boxers were classified into light weight category (LWC, n=14), middle weight category (MWC, n=15), and heavy weight category (HWC, n=14). The subjects were measured for body composition and specific physical fitness: body fat, BMI, maximal strength (bench press, squat), anaerobic power (lower/upper body mean and peak power, power drop rate), isokinetic strength (knee and trunk), and cardiovascular endurance (AT, HRmax, VO2max). One-way repeated ANOVA was used to evaluate the differences between three groups and pearson`s correlation analysis was applied to examine the relationship between body composition and specific physical fitness. RESULTS: The results of this study indicated that the HWC showed significantly higher body fat and BMI compared to the LWC and MWC (p<.05). The LWC was significantly lower in the peak power of the upper body compare with the MWC and HWC (p<.05). The HWC was significantly higher in the power drop rate compare with the LWC (p<.05). On the other hand, the was significantly lower in the isokinetic trunk flexion, HRmax, and VO2max compare with the LWC and MWC (p<.05) while the LWC showed the best level in HRmax and VO2max. There were significantly reciprocal relationships between body fat, BMI and specific physical fitness factors (p<.05). In particular, body fat, squat, mean and peak power showed significant relationships with many variables. CONCLUSIONS: The LWC and MWC of the national amateur boxers showed comparatively greater level of VO2max. However, the power endurance of the upper body and the peak power of the body have been estimated to be somewhat low. The HWC needs to maintain an ideal body fat, and pay attention to the strengthening of the core flexor and cardiovascular endurance. Successful preparations may be accomplished for the Rio Olympics through the efficient strategy and specific physical training based on the results of the study