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고등학교 엘리트 유도 학생선수의 성별에 따른 경기력 관련 체력 비교 분석
서경호 ( Seo Kyoung Ho ) 제주대학교 해양스포츠센터 2022 해양스포츠연구 Vol.12 No.1
본 연구는 엘리트 유도 여자선수와 남자선수를 대상으로 성별에 따른 기초체력, 무산소성 운동능력 그리고 등속성 각근력을 비교 분석하는 데 목적이 있다. 연구의 대상은 J시 고등학교 엘리트 유도선수를 대상으로 하였다. 그룹은 여자선수(n=9), 남자선수(n=9) 그룹으로 분류되었다. 자료처리는 두 그룹 간 유의한 차이를 분석하기 위해 독립표본 t 검정(independent t-test)이 분석되었다. 본 연구결과 제자리멀리뛰기(p<.000), 서전트점프(p<.000), 사이드스텝(p<.024), 악력:좌(p<.000), 악력:우(p<.000), 배근력(p<.000)의 기초체력에서 여자선수보다 남자선수가 유의하게 높게 나타났다. 그리고 무산소성 운동능력의 피로지수에서는 유의한 차이가 나타나지 않았지만, 평균파워(p<.000), 최고파워(p<.000)는 여자선수보다 남자선수가 유의하게 높게 나타났다. 마지막으로 등속성 각근력은 PT 60°/sec 각속도에서 좌신근(p<.009), 좌굴근(p<.031), 우신근(p<.003), 우굴근(p<.035)은 여자선수보다 남자선수가 유의하게 높게 나타났다. 본 연구결과 근지구력 지표인 윗몸일으키기와 유연성에서는 두 그룹 간 유의한 차이가 나타나지 않았고, 근력에서 두 그룹 간 큰 차이가 있는 것으로 나타났다. 이러한 결과를 토대로 고등학교 유도선수, 특히 여자선수의 트레이닝 프로그램을 구성하는데 기초자료가 될 수 있을 것으로 생각된다. The purpose of this study was to compare and analyze physical fitness, anaerobic performance, and isokinetic strength according to gender of high school elite Judo athletes. Subjects for this study were eighteen Judo athletes and divided into two groups: Female athletes group (n=9), Male group (n=9). Statistical analysis was performed using t-test. As the result of this study, the Male athletes group had significantly higher standing long jump, vertical jump, side-step, grip-strength:left and right, back strength value than the Female athletes group. The anaerobic performance of relative values of mean power and peak power was observed a significantly high in the Male athletes group than the Female athletes group. The Male athletes group had significantly higher relative left:extension and left:flexion, relative right:extension and right flexion than the Female athletes group. Based on these results, it is thought that it can be a basic data for composing a training program for high school Judo athletes, especially female players.
임정호(Jeong-Ho Lim),박성순(Seong-Soon Park),정진웅(Jin-Woong Jeong),박기재(Kee-Jai Park),서경호(Kyoung-Ho Seo),성정민(Jung-Min Sung) 한국식품영양과학회 2013 한국식품영양과학회지 Vol.42 No.3
본 연구는 전복 및 다시마 추출물 첨가 김치의 아미노산함량 및 발효특성에 관해 살펴보았다. 전복와 다시다는 추출물 형태로 첨가하였으며 젖산균, pH, 산도, 염도, 환원당, 유리당, 유기산, 유리 아미노산 및 관능평가를 실시하였다. 젖산균은 결과 초기 4.4~5.3 log CFU/g 수준이었으며 저장 7일째 6.8~7.1 log CFU/g 수준에 도달하였으며 그 이후에는 비슷한 수준을 유지하였다. 환원당과 유리당은 감소하는 경향을 보였으며 이는 젖산균 증식과 상관관계가 있는 것으로 나타났다. 유기산 중 citric acid, malic acid 및 succinic acid는 발효 동안 감소하는 경향을 나타내었으며 lactic acid와 acetci acid는 증가하였다. 아미노산 분석 결과 타우린은 전복 첨가 김치에서 가장 높은 수준을 나타내었으며 glutamic acid와 aspartic acid 함량은 다시마 첨가 김치에서 높은 수준을 보였다. 관능평가 결과 또한 다시마 첨가 김치를 가장 선호하였으며 전복 첨가 김치는 대조구와 비슷한 기호도 를 나타내었다. This study evaluated the quality characteristics of fermented abalone-kimchi or sea tangle-kimchi during 28 days of storage at 4℃. Abalone and sea tangle were added as extracts compared to a control. We analyzed lactic acid bacteria, pH, acidity, salinity, reducing sugars, free sugars, organic acids, free amino acids, and sensory characteristics. The lactic acid bacteria levels were 4.4~5.3 log CFU/g on day 0, 6.8~7.1 log CFU/g after 7 days, and continued to rise during the fermentation period. The salinity increased slightly over time. As fermentation progressed, pH and reducing sugars, free sugars, and organic acid contents decreased. Free sugars, in particular, dramatically decreased about 70% compared to the initial day. The total free amino acid content was higher in abalone-kimchi. In terms of free amino acid contents, taurine was high in abalone-kimchi, while glutamic acid and aspartic acid content was high in sea tangle-kimchi. The sensory evaluation results show that abalone-kimchi and sea tangle-kimchi had higher scores for their savory taste and overall acceptance compared to the control.
유산소성 운동과 저항성 운동의 실시 순서가 지방대사 및 동화작용 호르몬에 미치는 영향
윤성진(Sung Jin Yoon),서경호(Kyoung Ho Seo),박해찬(Hae Chan Park),강민정(Min Jeong Kang),전정희(Joung Hee Jon),변용현(Yong Hyun Byun) 한국사회체육학회 2013 한국사회체육학회지 Vol.0 No.53
The purpose of this study is to investigate the effects of sequence of aerobic and resistance exercise on free fatty acids, epinephrine, testosterone, and IGF-1. 7 healthy adult males, the subjects of this research, performed both resistance exercise after aerobic exercise and aerobic exercise after resistance exercise. V?O2max of all the subjects was measured through treadmil test, and they performed aerobic exercise for 30 minutes using treadmil at the intensity of 65% of V?O2max. They also performed resistance exercise using weight machine. They did 80%1RM × 8~10 rep × 3set with one-minute rest between each set. Resistance after aerobic subjects had their blood sample all 4 times: before aerobic exercise, after aerobic exercise, after resistance exercise, and at 30-minute in the recovery; The aerobic after resistance subjects did their blood sample all 4 times: before resistance exercise, after resistance exercise, after aerobic exercise, and at 30-minute in the recovering period. Data were analyzed using SPSS PC 20.0. The Data were analyzed by One-way repeated ANOVA. Scheffe were used as a Post-Hoc test. Statistical significance level was a=.05. As a result of this study are as follows. First, the FFA are significant for resistance exercise after aerobic exercise group(p=.028). That is, FFA significantly increased after aerobic exercise and then decreased during 30-minute in the recovering stage; the coefficients on FFA are not significant for aerobic exercise after resistance exercise group(p=.415). Second, the coefficients of epinephrine are significant for resistance exercise after aerobic exercise group(p=.012); increased epinephrine resistance after exercise decreased during 30-minute in the recovering stage; the coefficients of epinephrine are not statistically significant for aerobic exercise after resistance exercise group(p=.112). Third, testosterone are significant for aerobic exercise after resistance exercise group(p=.004); increased testosterone due to resistance exercise decreased after aerobic exercise during 30-minute in the recovering stage. However, we can see that the coefficients of testosterone are not statistically significant in case of resistance exercise after aerobic exercise group(p=.074). Fourth, we can find that the coefficients on IGF-1 are statistically significant for both aerobic after resistance exercise(p=.000) and resistance exercise after aerobic groups(p=.000); the coefficients on IGF-1 are not significant after aerobic exercise, but they are significantly increased after resistance exercise for both. In conclusion, resistance exercise after aerobic exercise is likely to have a significant effect on FFA and epinephrine; aerobic exercise after resistance exercise look to affect testosterone and IGF-1. Accordingly, based on the research findings we can find that it is important to decide the order of exercise between aerobic exercise and resistance exercise depending on the purposes fat metabolism or protein synthesis of exercise.