사격선수의 경기력에 영향을 미치는 심리적 요인 분석

장정윤(Jang, Jung-Yun) 한국체육과학회 2016 한국체육과학회지 Vol.25 No.2

Previous researches has found relationships between psychological factors, present research investigates psychological factors that influence sport performance by gender, age(middle and high school athletes vs college and professional athletes), performance level(medol vs non medal). A total of 155 men, 165 women who had registered with the Korea Shooting Federation from middle, high school, university and professional shooting teams were participants in this study. Achievement goal orientation, sport-confidence, competitive state anxiety were assessed with established measure. Statistical analysis t-test and Logistic Regression revealed significant differences in sport-confidence and competitive state anxiety by athletes’gender, age and performance level. Secondly, there was significant influenced of achievement goal orientation, sport-confidence and competitive state anxiety by athletes’gender, age and performance. Finally, there was significant influenced of women athletes’competitive state anxiety, and middle/high school athletes’sport-confidence and competitive state anxiety by performance. In summary, we confirmed that were significant differences influences psychological variables by performance among shooting athletes’ gender and age.

댄스스포츠 참여 유형에 따른 신체적자기개념과 정신건강 비교

장정윤 ( Jung-yun Jang ) 한국발육발달학회 2016 한국발육발달학회지 Vol.24 No.3

Considerable research indicates that physical self-concept is related to mental health in diverse populations. This study investigated physical self-concept and mental health among dance sports participants and non participants. Participants were 431 (251 from dance sports participant, 180 from dance sports non-participants) recruited through community groups and contacts, and completed survey measures including the physical self-concept scale and mental health measure. The results showed all participants correlated physical self-concept and mental health, whereas dance sport non-participant had not a statistically significant influenced on physical self-concept and mental health. However, dance sport participant had a significantly influenced on health, endurance, appearance, flexibility, strength of physical self-concept and mental health. Especially, these finding suggest that 50-60’s participants are able to promote their self-efficacy and decrease depression and anxiety by physical self-concept.

직업무용수의 직무스트레스가 탈진과 직무만족에 미치는 영향

장정윤(Jang, Jung-Yun),문황운(Moon, Hwang-Woon) 한국체육과학회 2016 한국체육과학회지 Vol.25 No.2

The purpose of this study was to investigate the effect of processional dancers job stress on their burnout and job satisfaction to provide basic information for improving dance environment. Participants were 250 professional dancers who trained at jeon-ju, Gwang-ju, Chon-nam, Je-ju, the national organization of public, and private organizations, and completed questionnaires. The results were following. Firstly, there were partially differences among job stress, burnout and job satisfaction. Secondly, there was a positive correlation between job stress and burnout and there was a negative correlation between job stress and job satisfaction. Finally, professional dancers job stress had significantly influenced on burnout and job satisfaction. Taken the above results together, it is evident that there are related between the professional dance group and job burnout and job satisfaction, thus to improve the quality of environment for professional dancer who take an important role in promoting fulfillment of citizens right to enjoy culture, it will be required relationship between role stress factor and burnout of coping strategy.

학생선수의 체중조절 스트레스와 운동탈진 관계에서 운동정서 매개효과

장정윤(Jang, Jung-Yun) 한국체육교육학회 2016 한국체육교육학회지 Vol.21 No.2

이 연구는 학생선수의 체중조절 스트레스와 탈진의 인과적 관계에서 긍정적 정서와 부정적 정서의 매개효과를 검증하였다. 연구대상은 체육중고등학교 체급조절 종목(레슬링, 복싱, 유도, 태권도) 학생선수 185명을 편의표집하였다. 자료는 빈도분석, 기술통계, 확인적 요인분석, 상관분석, 위계적 회귀분석을 이용하여 분석되었다. 그 결과 체중조절 스트레스의 구성요인은 운동정서의 구성요인과 운동탈진의 구성요인과 긍정적으로 부정적으로 상관관계가 있었다. 매개효과 검증 결과, 체중조절 스트레스의 비교평가 스트레스는 탈진과 관계에서 부정적 정서를 매개하였지만 긍정적 정서는 매개하지 않았다. 따라서 체급경기에 참여하는 학생선수들의 체중조절 스트레스는 부정적 정서를 유발하여 탈진 증상을 증가시킨다는 사실을 시사한다. Purpose: This study examined the mediating effects of emotion in the relationships between weight control related stress and burnout among athletes with students. Methods: Participants were 185 weight class (wrestling, boxing, judo, taekwondo) athletes at middle and high school students. Data were analyzed using frequency analysis, descriptive statistics, confirmatory factor analysis, correlation analysis, and hierarchical regression analysis. Results: As a results, weight control related stress had correlated positively and negatively the emotion and burnout. Moreover, the relationships between weight control related stress (comparison-evaluation stress) and burnout had significantly mediated on negative emotion. However, there was no significantly mediated positive emotion. Conclusion: The finding suggest that the weight control related stress and burnout by causing negative emotions and increased the burnout among athletes with students.

제산제, 소화효소제 및 생약제를 함유한 시판 복합 소화효소제의 효력시험(II)-소화력시험-

김종국,장정윤,나운용,Kim, Chong-Koo,Jang, Jung-Yun,Lah, Woon-Young 한국약제학회 1990 Journal of Pharmaceutical Investigation Vol.20 No.4

The activities of s-amylase, ${\alpha}-amylase$ and protease of three combination products containing digestive enzymes, antacids and herbal drugs on the Korean market were estimated. The effects of antacids and herbal drugs on the activities of digestive enzymes were investigated. Starch-saccarifying activity of s-amylase, starch-dextrinizing activity of ${\alpha}-amylase$ and protein-peptic activity of protease were estimated by Somogy, Mc'Credy, and Casein-Folin method, respectivley. The optimal pH of s-amylase, ${\alpha}-amylase$ and protease were pH 5.0, 4.8 and 7.0, rcspectively. The digestive activities at optimal pH continued about eight hours. The digestive activities of individual enzymes were reduced to 40-90% by antacids and were affected somewhat positively or negatively by herbal drugs. Enzyme activities of the combination products were also affected by pH and reaction time.

장애인 운동선수들의 자기격려-낙담, 자아존중감, 자기관리, 심리적 안녕감: 차이와 관계성 중심

이계윤 ( Kye Yun Lee ),조홍종 ( Hong Joong Cho ),장정윤 ( Jung Yun Jang ) 한국스포츠심리학회 2016 한국스포츠심리학회지 Vol.27 No.2

Purpose: The purpose of this study was to explore the differences in self-encouragement, self-discouragement, self-esteem, self-management, psychological well-being in a characteristics of athletes with disabilities and to examine the relationships of those variables among them. Methods: A total of 324 athletes with physical disabilities (male=208, female=115) completed self-encouragement and discouragement, self-esteem, self-management, psychological well-being measure. Results: Participants who have an affiliation, full-time, salary, athlete’s career, and motivation had positively higher on self-encouragement, self-esteem, self-management, psychological well-being. However, self-discouragement and negative self-esteem were higher affiliation, low career, and motivation by others. Self-encouragement had positively influence the self-esteem, self-management, psychological well-being, whereas self-discouragement had negatively affect on the self-esteem, self-management. Moreover, the self-encouragement showed a positive indirect effect on the psychological well-being and self-discouragement appeared a negative indirect effect on the psychological well-being. Conclusion: It is required to necessity a positive self-encouragement of the disabled athletes because self-awareness and beliefs affects their behavior of individuals.

대학생의 신체활동수준과 건강관련 삶의 질, 생활만족도 및 삶의 질의 관계

박세윤(Park, Se-Yun),김준(Kim, Jun),장정윤(Jang, Jung-Yun) 한국체육과학회 2015 한국체육과학회지 Vol.24 No.2

This study aims to examine the structural relationships of physical activity level(PAL) on health-related quality of life(HRQoL), life satisfaction(LS) and quality of life. A total of 584 college students(male 358, female 226, mean age 21.14) from 6 universities in 5 cites were answered IPAQ, HRQoL, SWLS and WHOQOL-BREF questionnaire. The data was analysed by Spearman correlation, Pearson’s correlation, Kruskal-Wallis Test, one-way ANOVA and structural equation modeling (SEM). There was no significant relationship between PAL and HRQoL. LS and quality of life were higher in high PAL group compare to moderate or low PAL group. PAL directly influenced on LS and quality of life, and it had indirect influence on quality of life through LS.

분뇨슬러지 및 왕겨부산물을 이용한 종균제 개발 및 생물학적 처리효율 향상에 관한 연구

정병길 ( Byung-gil Jung ),정유진 ( Yoo-jin Jung ),장정윤 ( Jung-yun Jang ) 한국환경기술학회 2012 한국환경기술학회지 Vol.13 No.2

본 연구는 폐수의 생물학적 처리의 효율향상을 위해 분뇨슬러지에서 추출한 분뇨슬러지 종균(함수율 : 10∼20%)과 기타물질(황산마그네슘, 탄소원 물질 등)을 적정 배합하여 투입 전·후의 수질 분석결과를 통한 최적의 배합비, 투입량을 산출하여 미생물 활성제로서의 가능성을 평가하는데 그 목적이 있다. 건조종균, 왕겨 부산물 및 황산마그네슘으로 제조된 미생물 활성제를 이용한 염색폐수 및 B시 K하수처리장의 1차침전지 유출수의 처리시 회분식 운전 및 연속 운전을 통한 운전조건별 처리특성을 평가한 결과 미생물 활성제를 투여하지 않은 Condition 1에 비해 투여한 Condition 2~5에서 모든 항목에서 처리효율이 더 높은 것으로 나타났으며, 특히 Condition 5에서 가장 높은 제거효율을 보였다. 전체적으로 유기물 및 영양염류의 제거효율은 Condition 5→3→4→2→1의 순서를 나타내었으며, 또한, 하수처리장의 1차침전지 유출수의 경우, 유기물 및 영양염류의 제거효율은 Condition 5→3→4→2→1의 순서로 나타났다. 이는 탄소원으로 이용된 왕겨 부산물과 무기영양소로 투입된 황산마그네슘의 사용 유무에 따라 처리효율이 높아질 수 있음을 의미한다. 이상의 결과로부터 건조종균, 유기탄소원 및 무기영양물질로 제조된 미생물 활성제가 기존 폐수처리장보다 정상가동상태에서 폐수처리 용량을 증대시킬 수 있을 뿐만 아니라, 독성물질, 난분해성물질 등 악조건에서도 미생물군의 유기물 분해능을 촉진시키는데 이용할 수 있음을 확인할 수 있었다. The purposes of the present research are to develop a method that improve the biological treatment efficiency for dyeing wastewater by mixing properly night-soil sludge seeding(water content: 10∼20%) extracted from night-soil sludge and other substances(magnesium sulfate and substance of carbons sources, etc.), to find its optimal mixing ratios through water quality analysis results before and after its input. As a result of assessing treatment characteristics according to operating conditions through batch system operation and continuous system operation in case of treating of dyeing wastewater using microbial inoculant manufactured with dry sanitary sludge seeding, bran by-products and magnesium sulfate with effluent from the first settling basin in a K wastewater treatment plant of B city. It appeared that the treatment efficiency in all items is higher in Condition 2~5 with adding microbial inoculant compared to Condition 1 that microbial inoculants were not added, and especially, the highest treatment efficiency appeared in Condition 5. The removal efficiency of organic matters and nutrients overall appeared in the order like Condition 5→3→4→2→1, and also, in case of effluent from primary settling basin in a sewage treatment plant, the removal efficiency of organic matters and nutrients appeared in the order like Condition 5 →3→4→2→1. This means that its treatment efficiency could be raised according to use of bran by-products used as carbon sources and magnesium sulfate added as inorganic nutrients. Form the above results, microbial inoculants made with dry sludge seeding, organic carbon sources and inorganic nutrients can expand waste water treatment capacity in a normal operating condition rather than the existing sewage treatment plant as well as can be used in promoting organic destruction of a microbial group in bad conditions such as toxic substances and refractory substances, etc.

스키지도자의 멘토링이 스키선수의 스포츠자신감과 자기관리행동에 미치는 영향

허승은 ( Seung-eun Hur ),장정윤 ( Jung-yun Jang ) 한국발육발달학회 2016 한국발육발달학회지 Vol.24 No.3

The purpose of this study was to examine the effect of ski coach’s mentoring on sport confidence and self-management behavior among ski players. Participants were 132 (male=102, female=36) who Korea ski association registered in Alpine Ski players, they also completed metoring, sport confidence, self-management behavior measure. The results are showed as follow: Firstly, ski coach’s mentoring had a significant effect on player’s sports confidence. Secondly, ski coach’s mentoring had a significant effect on player’s self management behavrior. Thirdly, ski player’s sports confidence had a significant effect on player’s self management behavior. These results showed that a ski coach’s mentoring has a positive impact in sport confidence and selfmanagement behavior among ski players. There are confirmed that positive montoring were significantly influences their sports confidence and self-management behavior among ski players.

제산제 , 소화효소제 및 생약제를 함유한 시판 복합소화효소제의 효력시험 ( I ) : in vitro 및 in vivo 제산력 시험

김종국(Chong - Kook Kim),장정윤(Jung - Yun Jang) 한국약제학회 1990 Journal of Pharmaceutical Investigation Vol.20 No.3