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글루타민 보충이 운동유발성 염증지표와 근피로지표에 미치는 영향
김인송 ( Kim Insong ),한상철 ( Han Sangchul ) 인천대학교 스포츠과학연구소 2019 스포츠科學硏究誌 Vol.32 No.0
본 연구의 목적은 글루타민 보충에 따른 근력운동 후 염증지표(CRP, WBC)와 근피로지표(Lactate) 및 근 통증에 미치는 효과를 확인하는 것이다. 연구대상은 20대 근력운동 경험이 없는 성인 남성 9명을 선정하였다. 보충방법은 글루타민을 (0.3g/kg/day) 1주일 동안 보충 하였다. 운동방법은 근력운동의 1RM을 측정한 후 30~40% 강도로 30회 씩 3SET 진행하였으며, 근육에 과부하를 주기 위해 Set간 휴식시간을 10초로 한정하였다. 1주일간의 보충 전과 후에 CRP, WBC, Lactate, VAS를 측정 하고 측정한 자료를 비교·분석 하여 다음과 같은 결과를 얻었다. 첫째, CRP의 경우, 글루타민 보충전과 보충 후 간에 유의한 차이가 없었다. 둘째, WBC의 경우, 글루타민 미보충시 보다 글루타민 보충 후에 유의한 감소가 나타났다. 셋째, Lactate의 경우, 글루타민 보충전과 보충 후 간에 유의한 차이가 없었다. 마지막으로 VAS의 경우, 글루타민 미보충시 보다 글루타민 보충 후에 유의한 감소를 나타내었다. 이상의 결과를 종합하여 볼 때, 운동전 1주일 동안 글루타민의 보충은 염증지표인 WBC와 운동 후 발생하는 근 통증 감소에 효과가 있다고 사료된다. This study followed a group of non-popularized high school elite athletes for a year and explored hope and self efficacy on career according to the level of athletic performance. A total of fourteen (14) track and field student-athletes from three (3) different sports-specialized high schools were recruited and collected data three times (pre, during, and post-season) using the Snyder’s Trait Hope Scale (Snyder, 2002) and Career Decision Making Self-Efficacy Scale (Betz, Klein, & Taylor, 1996). Fourteen participants completed all three phases of data collection and were interviewed. The results revealed that those with superior athletic performance maintained higher hope level compared to those who were inferior in performance. However, the career decision making self efficacy was even lower among the athletically superior group. This suggested that the high school elite athletes with superior performance level might not possess superior ability to navigate future career after their retirement. Similar patterns were evident during the follow up one-on-one interview. In conclusion, those with lower athletic performance considered diverse career alternatives after retirement compared to those with superior athletic performance.
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비유기중의 소유방염에 대한 항균펩타이드(Buforin Ⅱb)의 효능실험
김인송,권성균,임형준,이완규 한국수의공중보건학회 2002 예방수의학회지 Vol.26 No.3
Recently, a novel antimicrobial peptide including Buforin II has been emphasized to kill multi-drug resistant bacteria and avoid promoting multi-drug resistance. This study evaluated the efficacy of an antimicrobial peptide (Buforin IIb) on bovine mastitis. Based on the Minimum inhibitory concentration(MIC, 4 g/ml) of Buforin IIb, syringes were made five concentration(MIC×10, ×50, ×100, ×300, and ×500). Thirty three cows(38 quarters) with bovine mastitis were selected using California mastitis test and grouped in dependant on drug concentration and treatment duration. Each group treated by intramammary infusion twice a day for 3 5 days. The milk samples of 5 groups were aseptically collected from quarters at 0, 3, 7 and 14 days, and 2 groups were collected at 0, 5, 9 and 14 days after first treatment. Collected samples were used for bacterial culture and somatic cell count. Bacterial number(log_(10) mean CFU/ml) was decreased in dependant on drug concentration and extending treatment duration. In group D(MIC×300), bacterial number was decreased from 4.59±0.10(day 0) to 2.89±1.37(day 3), 4.04±0.33(day 7), and 4.19 ± 0.10(day 14), respectively(p 0.05). Bacterial number of B2(MIC×50, 5 days treated) is decreased, approximately 10%, than group B1(MIC×50, 3 days treated). Somatic cell count of group D was slightly decreased from 11,100(×10³)(day 0), to 7,386(×10³)(3 day), 6,886(×10³)(day 7), and 9,661(×10³)(day 14). Staphylococcus spp., was the most common isolate, was bacteriologically cured 100% by Buforin IIb treatment. Overall results indicate that Buforin IIb could have possibility to cure bovine mastitis, if higher concentration over experimental concentration were treated with extending treatment duration.
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