안면골 골절의 부적절한 정복에 의해 야기된 부정 교합의 재치료

윤형기,박진배,이해경,이수운,김우형,Yoon, Hyeong-Ki,Park, Jin-Bae,Lee, Hae-Kyoung,Lee, Soo-Woon,Kim, Woo-Hyeong 대한악안면성형재건외과학회 2005 Maxillofacial Plastic Reconstructive Surgery Vol.27 No.2

Malocclusion can be often found after improper reduction of facial bone fractures, especially by the plastic surgeon or other medical doctor. This causes lots of problem in esthetics, mastication, or facial symmetry. We present four cases which are related above problems. These were well treated by orthognathic surgery or orthodontic treatment.

테니스 볼 방향에 따른 포핸드 스트로크 동작 시상지근의 근전도 분석

윤형기(Yoon Hyung-Ki),오세이(Oh Sei-Yi),김유신(Kim You-Sin),조상현(Cho Sang-Hyun),양승민(Yang Seung-Min) 한국체육과학회 2006 한국체육과학회지 Vol.15 No.3

The object of this research was to examine the difference of the usage and activity of muscles according to the direction of the tennis ball is hit during a forehand-stroke through an EMG analysis. The EMG of 6 female tennis players was measured. 'Mega Win V.2.3.1 software program' was used and the wireless EMG meter 'ME6000 P8 Measurement Unit' was connected to capture the electric signal as the surface electrode. Stroke was divided into 3 phase, and paired t-test has been done to examine the difference of the factor that changes the EMG. Based on the results of research above, following answers were obtained. During the back-stroke phase, the %MVIC value on biceps brachii, triceps brachii, deltoids, and rectus abdominis slightly higher when they made a straight-court versus a cross-court-hit but there was not a statistically meaningful difference. During the forward-swing phase, the %MVIC value on triceps brachii, rectus abdominis, and flexor carpi ulnaris were higher when they made a straight-hit than a cross-court-hit, which was a meaningful difference statistically. During a follow-though phase, the %MVIC value on biceps brachii and deltoids appeared to be higher when they made a straight-hit, and the %MVIC value on flexor carpi ulnaris was higher when they made a cross-court-hit.

유산소성 운동 강도의 차이가 산화적-질소적 스트레스 및 뇌신경세포 생성인자에 미치는 영향

윤형기(Yoon, Hyung-Gi),노희태(Roh, Hee-Tae) 한국체육과학회 2015 한국체육과학회지 Vol.24 No.2

The purpose of the current research is to investigate the effects of different aerobic exercise intensities on neurotrophic factor induced by oxidative-nitrosative stress. The subjects of the current research were 15 healthy male. The subjects were asked to perform treadmill running in three different conditions: 1) low-intensity exercise(LIE, 50%VO₂max), 2) moderate-intensity exercise(MIE, 65%VO₂max), and 3) high-intensity exercise(HIE, 85%VO₂max). Blood sampling were taken at rest, at immediately after-exercise, and at 60minute after-exercise for examining the levels of oxidative-nitrosative stress markers[malonaldehyde(MDA), nitrite, superoxide dismutase(SOD)] and neurotrophic factor[glial cell line-derived neurotrophic factor(GDNF), insulin like growth factor-1 (IGF-1)]. The result of current research shows that the levels of MDA, nitrite, SOD, GDNF and IGF-1 were significantly increased after acute aerobic exercise(p〈.05). and the levels of MDA, nitrite, SOD appeared to be significantly higher in HIE compared to LIE and/or MIE(p〈.05). These results suggest that acute aerobic exercise can induce increase responses of oxidative-nitrosative stress and neurotrophic factor. It is suggested, however, that high intensity exercise could increase the oxidative-nitrosative stress.

생활체육 조직의 카리스마 리더십 및 조직문화의 상호작용효과가 부하의 조직동일시에 미치는 영향

윤형기(Yoon Hyoung-Ki) 한국체육과학회 2009 한국체육과학회지 Vol.18 No.2

The purpose of this paper is to examine the moderating effects to the interrelationship beween charismatic leadership and organization culture of workers in sports for all orgainzation on organizational identification. Participants for this study were 20 0 of 60 overaged adults. Of participations valid data were 183. They completed a modified inventory of the charismatic leadership, organizational culture and organizational identification. More details, Charismatic leadership Scale modified by Shamir, House, & Arthur(1998), organizational culture Scale modified by Eyum(2006), and organizational identification scale by Van & Van(2000) were using after remodifing scale to investigate the purpose of this study. Results were analysed in quantitative approaches. Data were collected through self-administered survey. The most three meaningful results of the study were as follows; First, there was influenced to the effects moderating casual relationship between charismatic leadership and organizational cultrue on orgainzational identification. . Second, there was influenced to the effects moderating casual relationship between charismatic leadership and organizational cultrue on orgainzational identification. . Third, there was influenced to the effects moderating casual relationship between charismatic leadership and organizational cultrue on orgainzational identification. . Forth, there was influenced to the effects moderating casual relationship between charismatic leadership and organizational cultrue on orgainzational identification.

남자 초등학생의 신체유형별 신체구성 및 체력에 관한 연구

윤형기(Hyung-Gi Yoon) 한국체육과학회 1999 한국체육과학회지 Vol.8 No.1

직장인의 생활체육 참가와 직무만족 및 전반적 well-being 간의 순환적 인과모형

윤형기(Yoon, Hyoung-Ki) 한국체육과학회 2015 한국체육과학회지 Vol.24 No.6

The principal purpose of this study is to analyze closely the causal effects among participation of sport for all, job satisfaction and general well-being of the wokers. For this purpose the research was administered to using materials of 534 male and female workers dwelling in Seoul. Data were collected through samples by means of cluster sampling method. The questionnaire for data collection of this study was based on those used in previous studies among participation of sport for all, job satisfaction and general well-being scales, and used them after examing the verification of validity and reliability through pilot test. The methods of Statistics used to analyze the collected datas were structural equation modeling analysis. The following is conlusions brought through these analyzing methods and process in this study. Hopothesis was selected to optimal casual model. Hopothesis was selected Ⅲ Ⅵ to optimal casual model.

생활체육 지도자의 자기리더십(self-leadership)과 조직시민행동에 관한 연구

윤형기(Yoon hyoung-ki),오세이(Oh sei-yi) 한국체육과학회 2008 한국체육과학회지 Vol.17 No.1

The purpose of this paper was to examine the validity of self-leadership in the organization of our corporation which reflects employee's organizational citizenship behavior. To perform this empirical study, the data for the present study was collected from one firms through questionnaire and all measures were self-administred by respondents. To analyze this data, reliability test and correlation analysis was adopted to analyze the casual relationship between self-leadership and employee's organizational citizenship behavior. The major findings of this study were as follows; First, the results of correlation analysis reported that subordinate self-leadership correlated significantly with subordinate organizational citizenship behavior. Second, A multiple regression analysis shows a significant influence on subordinate self-leadership and subordinate organizational citizenship behavior.

생활체육 마라톤 동호인의 팔로워십(followership)이 조직몰입에 미치는 영향

윤형기(Yoon Hyoung-Ki) 한국체육과학회 2008 한국체육과학회지 Vol.17 No.4

The purpose of the study was to examine the relationship of followership and commitment of organization of marathon clubmembers of sports for all. In order to achive this purpose three research questions were established. Participants for this study were 210 of 20 overaged adults. Of participations valid data were 181. They completed a modified inventory of the organizational commitment, and followership. More details, job commitment Scale modified by Allen 외(1992), and organization citizenship behaviors scale by Organ(1988) were using after remodifing scale to investigate the purpose of this study. Results were analysed in quantitative approaches. Data were collected through self-administered survey. The most three meaningful results of the study were as follows; First, there was influenced to differeciational relationship between followership and contingency commitment. Second, there was influenced to differenciational relationship between followership and cohesive commitment. Third, there was influenced to causal relationship betweem followership and controlling commitment.

초등학생의 신체유형, 골격성숙도 및 체력의 인과관계 검증

윤형기(Yoon Hyung-Gi) 한국체육과학회 2002 한국체육과학회지 Vol.11 No.1

This study investigated Skeletal maturation, physical fitness of classified by somatotype of 258 male elementary school students attending the elemetary school in Seoul. The result of the study were as follows; 1. In factor of TW20-2score, Carpals score, bone age appeared Endomorphy average the highest in three groups in Somatotype. 2. In factor of grip strength apeared Ectomorphy average the highest in three groups in Skeletal maturation. 3. The correlation coefficient between grip strength and TW20-2score, Carpals score, RUS score, bone age were revealed as the highest correlation in Mesomorphy.

당구활동 참여노인의 신체, 사회성 능력이 여가만족 및 삶의 질에 미치는 영향

윤형기(Yoon, Hyung-Gi),김대훈(Kim, Dae-Hoon) 한국체육과학회 2011 한국체육과학회지 Vol.20 No.5

This study was has set the target as elders who are over 60 years old living in Seoul area as of May, 2010 in order to clarify the effect of physical and social abilities of elders participating in billiard activity on leisure satisfaction and quality of life while the sample has been extracted using Systematic Stratified Cluster Random Sampling for sampling the subjects of investigation. For the extraction process of the sample, a total of 240 people dividing into four areas of Gangdong, Gangseo, Gangbuk and Gangnam based on Seoul area. Among the total of 240 sampled questionnaires, the factor analysis and multiple regression analysis were performed using SPSS 12.0 on the data of 210 people excluding insincere responses and partially omitted data to derive the following conclusions. First, as a result of analyzing the effect of physical ability on emotional/social and physical/environmental leisure satisfaction or the quality of life, the positive effect was shown in them including emotional/social and physical/environmental leisure satisfaction or the quality of life. Second, as a result of analyzing the effect of social ability on emotional/social and physical/environmental leisure satisfaction or the quality of life, the positive effect was shown in them including emotional/social and physical/environmental leisure satisfaction or the quality of life. Third, as a result of analyzing the effect of leisure satisfaction on the quality of life, the positive effect was shown in the quality of life.