임신 중 저강도 유산소운동이 새끼쥐의 뇌신경가소성 관련인자에 미치는 영향

전용균(Jeon, Yong-Kyun) 한국체육과학회 2015 한국체육과학회지 Vol.24 No.2

The purpose of this study is to investigate how low intensity aerobic exercise effects BDNF and NGF gene expression exercise for pregnant women. 6 week old ICR mice, male(n=10), female(n=50), supplied by BIOKOREA were used in this study. After hybridization, pregnant mice were categorized into 2 groups depending on exercise ; “non-exercise” group(n=20), “low -exercise” group(n=20). A series of genetic tests were performed to identify BDNF and IGF-1 gene expression producing the following results. Expression of BDNF among the group according to the low intensity aerobic exercise. The low intensity aerobic exercise group is much higher than non-exercise group(p<.01). Expression of IGF-1 among the group according to the low intensity aerobic exercise. The low intensity aerobic exercise group is much higher than non-exercise group(p<.05). Therefore, it brings positive changes in growth and development of nerve cells as a protein that contributes to learning, memory and thinking skills and brain active role for the biological activities, including cell growth, which play an important role in BDNF and IGF-1 compared with the non-exercise group rat pups born in 30 minutes in the exercise group a statistically significant difference was found. If the point is increasing BDNF more effectively on brain active, low intensity aerobic exercise will have bigger impact on brain active. Also, in terms of exercise prescription it is better to focus on quantity than intensity in order to grasp more on brain active fetus.

규칙적인 재활운동프로그램이 뇌졸중 편마비 환자의 유병기간에 따른 관절가동범위와 균형능력 및 보행능력에 미치는 영향

전용균(Jeon, Yong-Kyun),하창호(Ha, Chang-Ho),김정우(Kim, Jeong-Woo) 한국체육과학회 2013 한국체육과학회지 Vol.22 No.2

The purpose of this study was to compare the effects of regular rehabilitation exercise on duration of the range of motion, Balance and gait ability in Hemiplegia. The objects of this study covered 26 patients with hemiplegia, age from 40 to 55 yeare old and fell into two groups which was a group of 1years and 6months and the regular rehabilitation exercise was conducted 3 times a week for 50 minutes each for 12 weeks. The clinical assessment were obtained before and after 12weeks regular rehabilitation exercise on affected ankle range of motion. To compare the differences in balancing ability before and after the regular rehabilitation exercise, static balance ability was measured by using balance system SD. Also, the changes before and after the regular rehabilitation exercise were measured through physical composition and walking related to physical strength test. The followings conclusions have been obtained through t-test analysis of the results obtained through the research. The results of this study were as follows; Firstly, 6month duration Hemiplegia showed statistical significance that range of motion of the ankle dorsiflexion and plantarflexion(p<.01)(p<.01). Between group showed statistical significance(p<.01) (p<.05). Secondly, 6month duration Hemiplegia showed statistical significance that overall balance index (OBI), anteroposterior balance index(ABI), mediolateral balance index(MBI) (p<.01) (p<.01) (p<.01). Between group showed statistical significance(p<.05). Thirdly, 6month and 1years duration Hemiplegia showed statistical significance that gait ability(p<.05)(p<.01). Between group showed statistical significance(p<.05). This study suggests that regular rehabilitation exercise is an effective treatment in range of motion, balance and gait ability rehabilitation of patients with hemiplegia and 6month group to be more than effected.

The correlations of related performance fitness to angiotensin-converting enzyme genetic polimorphism of the elite speed skating athletes of male, female

Jeon, Yong Kyun(전용균),Jagal, Sung Yol(제갈성렬),Kim, Jeong wo(김정우),Lee, Dong Bok(이동복),Yun, Sung Jun(윤성준) 한국체육과학회 2011 한국체육과학회지 Vol.20 No.6

이 연구는 2007-2008시즌 KSU 랭킹 기록을 토대로 남녀 각각 32명씩 구분하여 우수 스피드 스케이팅 선수(n = 64)를 대상으로 angiotensin-converting engyme (ACE, EC 3.4.15.1) 유전자 타입 분포를 비교하고, 유전자 type에 따른 유산소성 능력, 무산소 능력의 관련성을 분석하기 위해 실험한 결과 다음과 같은 결론을 얻었다. 첫째, 남자선수 유전자 타입별 유산소성 능력의 상관관계는 Ⅱ 타입에서 VO2max와 상관관계가 나타났으며(p<.01). 또한 여자 선수들에서도 Ⅱ 타입의 경우 VO2max와의 상관관계가 나타났으며 (p<.01), ID 타입에서도 VO2max와 상관관계가 나타났다(p<.01). 둘째, 우수 남자 스피드 스케이팅 선수 유전자 타입별 무산소성 능력의 상관관계는 Ⅱ 타입과 ID 타입은 모든 변인과의 상관관계는 나타나지 않았으며, DD 타입의 Total work, Total work(㎏) peak power(p<.05), peak power(㎏)에서 상관관계가 있는 것으로 나타났다(p<.01). 따라서, ACE 유전자의 다형성 중 Ⅱ 유전자형은 유산소성 능력에 DD 유전자형은 무산소성 능력에 관련성이 높은 것으로 나타났다. 스피드 스케이팅 선수들의 경우 단거리 선수 들은 Ⅱ 유전자형이 장거리 선수들은 DD형 유전자형이 운동수행능력과 관련성이 예측된다 할 수 있다.

The Relationships Between cigarette smoking and Physiological responses of young adolescents

Jeon Yong-Kyun(전용균),Kim Jae-Ho(김재호),Cho Won-Je(조원제) 한국체육과학회 2011 한국체육과학회지 Vol.20 No.4

이 연구는 젊은 학생의 흡연 유무가 생리적 반응에 미치는 영향에 대하여 알아보는 것이다. 이 연구의 대상은 22~23세에 해당하는 젊은 남성 중 10명의 흡연자와 10명의 비흡연자를 대상으로 흡연자와 비흡연자의 흡연 후 VO₂max, 운동수행시간, HR, FVC, FEV1 를 측정한 결과는 다음과 같다. 흡연자의 VO₂max에서는 통계적인 유의한 차이가 나타나지 않았다. 그러나 비흡연자에게서는 유의한 차이가 나타났다(p<.05). 최대산소섭취량 테스트의 운동수행시간을 측정한 결과, 흡연자에게서는 유의한 차이가 나타나지 않았고, 비흡연자에게서는 유의한 차이가 나타났다(p<.05). 휴식기 HR에서는 두그룹 모두 유의한 차이를 나타났다(p<.05). 운동 전 흡연은 두 그룹 모두 휴식기 HR를 현저하게 증가시켰고, 최대산소섭취량 테스트가 끝난 후 10분이 지난 휴식기 HR는 두 그룹 모두 유의한 차이가 나타나지 않았다. FVC는 두 그룹 모두 유의한 감소를 보이며 통계적으로 유의한 차이를 나타냈다(p<.05). FEV1의 두 그룹 모두 통계적으로 유의한 차이가 나타나지 않았다. 이 연구에서의 결과는 흡연의 습관이 젊은 남성들의 생리적 반응에 손상을 줄 수 있다고 사료된다.

우수 장거리 스피드스케이트 선수의 경기력 수준별 허리관절, 무릎관절의 등속성 근기능 특성

전용균(Jeon yong-Kyun),김정우(Kim Jeong-Woo) 한국체육과학회 2011 한국체육과학회지 Vol.20 No.3

It is assumed that developmental characteristics on Performance Level of Long-Distance Speed Skater’s are subjects to isokinetic muscle functions of the trunk, knee. Thus the present investigation was aimed to characterize the isokinetic muscle function of Long-Distance Speed Skater’s based on their performance levels. In addition, the information derived from the results of study will be applied to improve their performance levels and fitness training program. The subjects of this study were male Long-Distance Speed Skater’s registered in KOREA SKATING UNION who are participating in games. They were divided into two groups, the national team group of 10 skaters (ranking of 1~12) and the non national team group of 10 skaters (rankingof 13~24). Cybex HUMAC NORM was employed to measure isokinetic the trunk, knee joint, muscle functions employed. According to results, the following conclusions were obtained. 1. Isokinetic muscle functions of the trunk were higher in the national team then in the non national team. There was a significant difference in peak torque, peak torque, average power, and endurance ratio(p<.05, p<.01, p<.01). 2. Isokinetic muscle functions of knee were higher in the national team then in the non national team. There was a significant difference in ipsilateral balance ratio and endurance ratio were higher in the national team. There was a significant difference(p<.05, p<.01). The results suggest that the long distance speed skaters with the high performance level showed an appropriate trunk, knee muscular function to their events and there was a significant difference each factors. It suggests that the development of endurance muscular strength and muscular peak torque is required for training long distance skaters.

The Effects of Difference Exercise Type on β-amyloid, DHEAs and BDNF concentration in Older Females

Jeon, Yong-Kyun(전용균) 한국체육과학회 2012 한국체육과학회지 Vol.21 No.4

이 연구는 운동유형에 따라 고령여성의 β-amyloi, DHEAs 및 BDNF 변화를 규명하는데 그 목적을 가지고 시도하였다. 이 연구의 대상은 경기도 B휘트니스 센터 회원 중 60에서 69세 이하의 고령여성들을 대상으로 총 30명을 실험하였으며, AEG(유산소 운동군) 10명, REG(저항 운동군) 10명, SEG(감각자극 운동군) 10명으로 분류하였고, 12주간 주 3회 60분간 운동을 실시하여 다음과 같은 결론을 얻었다. 첫째, 운동유형별 집단 내 운동전, 후 고령여성의 β-amyloid는 AEG(유산소 운동군: p<.05), REG(저항 운동군: p<.05), SEG(감각자극 운동군: p<.01)에서 감소를 보였고, 유의한 차이가 있었다. 둘째, 운동유형별 집단 내 운동전, 후 고령여성의 DHEAs는 AEG(유산소 운동군: p<.001), REG(저항 운동군: p<.001), SEG(감각자극 운동군: p<.001)에서 증가를 보였고, 유의한 차이를 나타냈다. 셋째, 운동유형별 집단 내 운동전, 후 고령여성의 BDNF는 AEG(유산소 운동군: p<.05), REG(저항 운동군: p<.05), SEG(감각자극 운동군: p<.001)에서 증가를 보였고, 유의한 차이를 나타냈다. 넷째, 운동유형별 집단 간 고령여성의 DHEAs는 유의한 차이를 나타냈으며(p<.05), 운동형태에 있어서 SEG(감각통합 운동군)이 REG(저항 운동군)보다 높게 나타났다. AEG(유산소 운동군), REG(저항 운동군), SEG(감각통합 운동군)는 12주간 운동 형태별 프로그램은 고령여성의 치매 위험인자 β-amyloid의 감소, DHEAs와 BDNF를 증가시켰고, 이를 바탕으로 여성 호르몬에 대한 긍정적인 요소로써 치매와 더불어 여성 갱년기 질환에 효과적일 것이라고 판단된다. 또한, 사후 검증을 통한 각각의 운동형태별 결과에서는 SEG(감각통합 운동군)에서 가장 큰 효과를 나타내었다. 이 결과를 보았을 때, SEG(감각통합 운동군)가 신체 활동에 있어서 뇌와 근육의 자극에 더욱 더 효과적이며, 치매에 대한 예방에 좋은 운동 방법이라고 생각된다.

임신 중 저강도 유산소운동 유ㆍ무에 따른 새끼쥐의 BDNF와 NGF의 발현량에 관한 연구

전용균(Jeon, Yong-Kyun),신정엽(Shin, Jung-Yeop) 한국체육과학회 2013 한국체육과학회지 Vol.22 No.6

The purpose of this study is to investigate how low intensity aerobic exercise effects BDNF and NGF gene expression exercise for pregnant women. 7 week old ICR mice, male(n=10), female(n=50), supplied by BIOKOREA were used in this study. After hyblidization, pregnant mice were categorized into 2 groups depending on exercise ; "non-exercise" group(n=20), "low-exercise" group(n=20). A series of genetic tests were performed to identify BDNF and NGF gene expression producing the following results, the statistical changes were noted for BDNF expression within brain tissue when comparing the following groups; the "non-exercise" group and "exercise" group(p<.05), Expression of BDNF among the group according to the low intensity aerobic exercise. The low intensity aerobic exercise group is much higher than non-exercise group(p<.05). Expression of NGF among the group according to the low intensity aerobic exercise. The low intensity aerobic exercise group is much higher than non-exercise group(p<.05). Therefore, it brings positive changes in growth and development of nerve cells as a protein that contributes to learning, memory and thinking skills and brain active role for the biological activities, including cell growth, which play an important role in BDNF and NGF compared with the non-exercise group rat pups bom in 30 minutes in the exercise group a statistically significant difference was found. If the point is increasing BDNF more effectively on brain active, low intensity aerobic exercise will have bigger impact onbrain active. Also, in terms of exercise prescription it is better to focus on quantity than intensity in order to grasp more on brain active fetus.

Comparative analysis of The Isokinetic Muscular Function of Knee joint of Female National Alphine skiers before and after Season

Jeon, Yong-Kyun(전용균),Lee, Ki-Hong(이기홍),Kim, Jae-Ho(김재호),Lee, Seung-Bum(이승범) 한국체육과학회 2012 한국체육과학회지 Vol.21 No.3

이 연구는 국내 우수 여자 국가대표 알파인 스키선수 선수들을 대상으로 시즌 전, 후 무릎관절의 근기능을 비교 분석하여 선수들의 시즌 전과 후의 체력특성을 규명하는 연구로서 알파인 선수들의 경기력 증진 및 근기능 체력보강 훈련에 적용할 자료를 제공하고자 시도 하였다. 이 연구의 대상은 현재 2010년 대한스키협회에 등록되어있는 국가대표 알파인 스키 여자선수 8명을 대상으로 실행하였으며, 무릎관절 근기능을 알아보기 위해 등속성 근기능 측정기기인 Cybex HUMAC NORM을 이용하였다. 각 측정변인의 측정결과는 다음과 같은 결과를 얻었다. 첫째, 무릎관절의 최대근력과 체중당 최대근력은 시즌 전이 크게 나타났으며 최대근력 오른쪽, 왼쪽 최대 신근력과 굴근력에서 통계적으로 유의한 차이를 보였다(p<.01) (p<.01) (p<.01) (p<.01). 둘째,. 무릎관절의 평균파워와 체중당 평균파워는 시즌 전이 크게 나타났으나 통계적으로 유의한 차이는 나타내지 않았다. 셋째, 무릎관절의 근지구력비 검사 시 시즌 후가 더 크게 나타났으며 오른쪽, 왼쪽 굴근력과 신근력에서 통계적으로 유의한 차이가 나타났다(p<.01) (p<.05) (p<.01) (p<.05). 이러한 결과들을 종합할 때 여자 국가대표 알파인 스키선수들의 시즌 전ㆍ후 측정 시에 무릎관절의 근력은 시즌전이 통계적으로 좋은 것을 알 수 있었다. 이는 알파인 스키선수들의 경기력향상을 위해서는 시즌 초반부터 후반까지 선수들의 체력을 유지, 발달시키는 것이 무엇보다 우선시 되어야 하며 이를 위해서는 설상훈련과 더불어 지속적인 체력트레이닝이 필요함을 시사한다.

코어 안정화 운동이 만성요통환자의 허리안정화 균형능력과 통증감소에 미치는 영향

전용균(Jeon, Yong-Kyun) 한국체육과학회 2021 한국체육과학회지 Vol.30 No.3

This study aims to conduct a 12-week core stabilization exercise to see if there is any change in the yaw stabilization balance ability and subjective pain reduction in middle-aged women with chronic back pain. The subjects of this study were middle-aged women in their 40s and 60s living in Y-si, Gyeonggi-do, who randomly selected eight exercise groups and eight control groups to conduct core stabilization exercises for 12 weeks four times a week. The data processing of this study was conducted two-way ANOVA using the SPSS ver18.0 statistical package. The significance level was α=.05. Analysis of 12-week core stabilization exercises in lumbar stabilization balance function showed significant differences at 180°(p<.01) in the exercise group at 0°, 45°(left/right), 90°(left/right), and 135°(p<.05). Significant differences after treatment were shown in the exercise group(p<.001), with significant differences over time (p<.001) appeared. This was significant before and after the exercise group (p<.001), and the interaction was also significant(p<.001). In the change in subjective pain index (VAS), the exercise group had a low pain index from 6.72±1.00 before exercise to 2.36±.34 after exercise with significant differences between the groups(p<.05). Periodically, group-to-group interactions showed statistically significant differences(p<.01)(p<.01).

무산소성 파워 운동 후 회복방법의 차이가 SOD CAT MDA에 미치는 영향

전용균(Jeon, Yong-Kyun) 한국체육과학회 2014 한국체육과학회지 Vol.23 No.5

The purpose of this study was investigation difference in the recovery of after acute anaerobic exercise on antioxidant enzymes(SOD, CAT, MDA,). The subjects of this study were 30 males in their 20s with to participate in after acute anaerobic exercise taken as research subjects, the research was performed upon 10 person of ice therapy recovery group, 10 persons of massage recovery group and 10 person of dynamic cool-down recovery group depending on the difference of recovery after acute anaerobic exercise. As a result of the research, SOD showed significant increase in ice therapy recovery group, massage recovery group and dynamic cool-down recovery group after the acute anaerobic exercise, and ice therapy recovery group and massage recovery group showed higher values than dynamic cool-down recovery group. CAT showed significant increase in ice therapy recovery group and massage recovery group after the acute anaerobic exercise, but no significant difference dynamic cool-down recovery group, and ice therapy recovery group and massage recovery group showed higher values than dynamic cool-down recovery group. MDA showed significant decrease in ice therapy recovery group and massage recovery group after the acute anaerobic exercise and ice therapy recovery group showed higher values than dynamic cool-down recovery group. Therefore, as the degree of oxidation damage in relation to acute anaerobic exercise is very likely to depend on whether and in what type ice therapy recovery and massage recovery is done, practice of ice therapy recovery and massage recovery effective by exercise types also is considered as a method to prevent oxidation damage.