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운동생리학 : 장시간의 운동이 노화에 따른 쥐 근육 내 pro- 및 macro-glycogen 동운에 미치는 영향
어수주(SuJuEo),이종삼(JongSamLee),조인호(InHoCho),표재환(JaeHwanPyo),박수연(SooYeonPark),김효식(HyoSikKim),이장규(JangKyuLee),김창근(ChangKeunKim) 한국체육학회 2005 한국체육학회지 Vol.44 No.5
The purpose of this study was to examine that the effect of one single bout of prolonged exercise on pro- and macro-glycogen mobilization in aging rat skeletal muscle. Forty eight rats were used and divided into three groups by age; 0 week (n=16), 16 weeks (n=16), 32 weeks (n=16). Each experimental group was further divided into two subgroups; either control (n=8) or exercise (n=8). All animals in exercise groups performed one bout of 3hr swimming exercise (30min × 6bouts). One week before the animals were sacrificed, oral glucose tolerance test (OGTT; 2 grams of glucoseㆍkg<sup>-1</sup> of body mass) was undertaken. At pre-determined time points, the animals were anesthetized by inhalation of ether, and red vastus lateralis muscle was rapidly dissected out and used for total glycogen content as well as pro- and macro-glycogen content measurement. Body mass was significantly heavier in 16wk (302.0±11.1 g) and 32wk (325.7±10.1 g) compared to 0wk (117.8±0.9g), but it was not statistically different between 16wk and 32wk. Three hours of swimming exercise significantly lowered plasma glucose concentration in all experimental groups (p<.001). Resting insulin concentration was only significantly different between 0wk and 32wk (not 16 wk). In aspects of serum insulin concentration, it was the highest in 32wk, and was the lowest in 0wk after 3hr swim exercise. Although resting total glycogen concentration was not significantly different among experimental groups, proglycogen concentration was significantly increased and macroglycogen concentration was significantly decreased in aged muscle. Although 3hr of swim exercise significantly lowered muscle PG content, MG level was not significantly altered. In summary, as aging process continued, PG concentration was increased and the degree of mobilization was continuously increased. This implies that PG may play a major role for energy production during prolonged exercise in aged rat skeletal muscles.
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스포츠탤런트 발굴ㆍ육성 프로그램(TES)의 유용성 평가
이미숙(MiSookLee),김예성(YeSeungKim),어수주(SuJuEo) 한국체육학회 2013 한국체육학회지 Vol.52 No.3
이 연구의 목적은 K대학교 체육영재 발굴ㆍ육성 프로그램(TES: talented education in sports)의 유용성을 평가하는데 있으며, TES프로그램 실시 전과 후의 체격, 체력, 운동능력 및 생리적 기능요인을 다양한 측면에서 비교 평가하여분석하였다. 연구대상자는 K대학교 육상, 수영, 체조영재(남자: 9.8±1.2세, n=29; 여자: 9.7±1.1세, n=20)이며 24주간전문실기, 동계와 하계 스포츠캠프, 코디네이션 트레이닝, 이론 특강 등으로 구성된 TES 프로그램을 실시하였다. 주요 연구결과는 다음과 같다: 첫째, 전국 17개 체육영재센터의 체육영재 체력수준을 파악하여 K대학교 체육영재들과비교해 본 결과 민첩성과 하지순발력 요인에서 K대학교 체육영재가 유의하게 높은 수준을 보였다. 둘째, TES 프로그램 실시 전과 후의 체격, 체력, 운동능력 및 생리학적 기능요인은 모든 스포츠영재성 검사항목에서 남ㆍ여 체육영재모두 유의하게 향상된 결과를 보였다. 셋째, 육상, 수영, 체조영재의 코스타스점수(종목적합률)도 TES 프로그램 실시후에 세 종목 모두 유의하게 향상된 결과를 나타냈다. 특히, 체조 종목에서 향상된 변화율이 가장 높게 나타났다. 결론적으로 스포츠탤런트 발굴ㆍ육성을 위한 K대학교 TES 프로그램은 체격요인, 체력요인, 운동능력 및 생리학적 기능요인에서 모두 성장되고 향상된 결과를 보였다. 따라서 K대학교 TES 프로그램의 유용성은 긍정적인 결과로 나타났다. 향후 스포츠탤런트 조기 발굴ㆍ육성 시스템을 국가브랜드 강화에 기여할 수 있는 육상, 수영, 체조 뿐 만 아니라 다양한 종목으로 확대하여 개발해야 하는 필요성에 대한 후속 연구가 진행되어야 할 것이다. The purpose of this study was to assess the usefulness on identification and development with TES program in sports talented children(K university). 49 sports talented children(boys: 9.8±1.2 years, n=29; girls: 9.7±1.1 years, n=20) were measured physique factors(height, sitting height, weight, girth of the chest, BMI) and physical fitness factors(sit-up, push-up(male), basketball throwing, standing long jump, side-step, half-squat jump, arm hang(female), 20m PACER, 50m run, sit and reach) pre and post TES program. The results showed that physique factors(height, sitting height, weight, girth of the chest, BMI; p<.001, in male and female) and physical fitness(half-squat jump(all), standing long jump(all), 20m PACER(all), side-step(all), push-up(male),basketball throwing(female), sit-up(female), 50m run(male), p<.001; sit and reach(all), sit-up(male), 50m run(female), p<.01;basketball throwing(male), arm hang(female), p<.05) were significantly increased after 24weeks TES program. KOSTASS scores were elevated in athletics, swimming and gymnastics players following 24 TES program. Consequently, TES program is usefulness for sports talent identification and development in elementary children.
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운동영양학 : 카테킨 복합물 섭취와 수영훈련이 흰쥐의 혈중지질과 복부지방량 변화에 미치는 영향
손희정(HeeJungSon),김효정(HoyJeongKim),남일호(IlHoNam),어수주(SuJuEo),김창근(ChangKeunKim) 한국체육학회 2005 한국체육학회지 Vol.44 No.1
This study was to performed to investigate the effect of catechin compound ingestion (CCI) and swimming training on the blood lipid profiles and abdominal fat mass in rats. The CCI and swimming training were performed for 6 weeks (60 minute-day^(-1), 5 days-week^(-1)). All animals divided into 4 groups; control group (n=6; CON), catechin ingestion (250㎎/day, n=6; CAT1), catechin ingestion(500㎎/day, n=6; CAT2), catechin and exercise (500㎎+lhr swimming, n=6; CAT2EX). The CON and CAT2 group show lower abdominal subcutaneous and visceral fat mass (p<.05). Also, CAT2EX group shows lower abdominal subcutaneous and visceral fat mass than those of the CON (p<.05). After six weeks of interventions no significant difference was found in total cholesterol (TO, high density lipoprotein (HDL) concentration, triglycerides (TG) in all groups, whereas low density lipoprotein (LDL) concentration in CAT2EX was lower than CON (p<.05).In conclusion, both CCI and CCI with swimming exercise training may play a role in the control of abdominal fat mass. These results indicate that exercise training with CCI could be more beneficial than CCI itself for not only LDL cholesterol but also anti-abdominal obesity.
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