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      • Maximal Oxygen Uptake and Running Efficiency in Distance Running Performance of Highly Trained Collegiate Runners

        김기봉 慶星大學校 1988 論文集 Vol.9 No.1

        本 硏究는 高度로 訓練된 大學長距離選手들의 競技成績에 있어서 最大酸素攝取量과 走行效率性의 重要度에 對한 相關 關係를 分析하였으며, 本 硏究에서 밝혀진 結果는 最大酸素攝取能力과 10,000meter競技의 走行 pace와의 相關關係는 (r=0.13) 높은 VO₂max의 有酸素能力을 가지고 있는 同質 集團에서는 높은 有意性이 없으며, 走行效率性과 競技成績과는 매우 有意한 相關關係를 나타내었다. (r=0.75) The purpose of this study was to examine the contribution of maximal oxygen uptake and running efficiency in highly trained male collegiate runners to their performance in a 10, 000meter race. The ten selected subjects were collegiate male long distance runners who have attended at the University of South Carolina, U.S.A. Treadmill running was utilized for the laboratory measurement of maximal and submaximal oxygen consumption because it provides a valid picture of the physiological responses which accompany track running. Maximal oxygen uptake was determined using a continuous protocol. Treadmill speed was kept at 8mile/hr(214.4m/min) for all stages. Subjects completed a three minutes warming up at level grade. Grade was then increased 2¹/₂percent for each subsequent two minutes until the subject reached exhaustion. A correlation analysis was used to determine if a significant relationship existed between distance running performance and maximal oxygen uptake and running efficiency. Relationships were analyzed for singificance at the five percent level of confidence. The results of this research indicated that the relationship between maximal aerobic capacity and running pace for the 10,000 meter race(r=0.13) was not significant at the five percent level of confidence. This does not argue against the importance of a high VO₂max for success in distance running performance because all the subjects possessed very high maximal aerobic power. Rather, the data suggest that among subjects with equally high VO₂ max's aerobic capacity is not a determining factor for competitive sucess. The relationship between running efficiency(VO₂) at the mean race pace of 214-10.0/min and performance in the 10,000meter races(r=0.75) was significant at the one percent level of confidence. It was concluded that of the factors studied in this study the significant factor determining competitive success in the 10,000 meter run for highly trained collegiate male distance runners was their running efficiency and not their maximal aerobic capacties.

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      • 높이뛰기의 Straddle style과 Flop Style의 運動力學的 比較分析

        金基鳳 경성대학교 1983 論文集 Vol.4 No.4

        This study is, first, to analyze the high Jump techniques through the consecutive photographs and high jumpers' performances based on the top class high jumpers of the world, Japan and Korea, and the other, to investigate their merits and demerits by comparing Belly Roll with Backflop which are the two main styles of High Jump today. And I was to suggest the most suitable jumping style for Korean jumpers. The results of this study are summarized as follows; 1. In order to set up the world class records in High Jump, they must at least be more higher than 1m90㎝ for men and 1m75㎝ for women in their height. 2. The effeciency of the take-off in High Jump can be concluded to derive from the almost same momentum in Belly Roll style and Backflop style. 3. The effeciency of Backflop may be more excellent than that of Belly Roll for Korean jumpers, women jumpers and the short jumpers. 4. There yet are no ultimate style in High Jump. Each High Jumping style has some merits and demerits in the technique. So we need to develop the ideal style of High Jump based on the principles of sports biomechanics. 5. We can develop new techriques in High Jump by applying the nest dynamical factors ; ① center of gravity, ② Impulse, ③ checking linear motion, ④ Momentum, ⑤ Eccentric thrust, ⑥ Action and reaction, ⑦ Centrifugal force, ⑧ Rotary axis, ⑨ Transference of momentum and ⑩ Law of conservation of rotary momentum, etc.

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        소아(小兒) stress에 관한 문헌적(文獻的) 고찰(考察)

        김기봉,김장현,Kim, Ki-Bong,Kim, Jang-Hyun 대한한방소아과학회 2002 대한한방소아과학회지 Vol.16 No.1

        With the progress of civilization, the disorders due to the stress, which derived from the social-structural complexity and diversity, are on an increasing trend in our times. Accordingly, the accurate diagnosis and appropriate treatment for them are required. Especially in the current years, children's disorders delivered by the emotional problems keep increasing. In this research, the researcher tried to figure out the cause of the children's stress and its treatment, studied the theories of the stress in the modem medicine and the sever emotions in oriental medicine, and came to the conclusion as follows: 1. The stress can be defined as the combination of the reaction to noxious stimuli and its defense mechanism of the body, In oriental medicine, it is considered as pathological notions which includes seven emotions as the internal factor, six evils as the external factor and other foods, expectoration, ecchymoma as the non-internal/external factors. 2. Children usually get stressed by various reasons in a growth process such as schooling, relationship with friends, the opposite sex of family, or change of surroundings, and these can cause the various disorders. 3. In the study of the children's stress symptoms, it is found that the silent reaction is uncommon. It usually appeared in both reactions: firs, physical reactions such as stomachache, vomiting, headache, neural frequent urination, bronchial asthma or excessive respiration and/or, second, behavioral reactions such as a decline of performance, alimentary disorder, e.g. anorexia nervosa or bulimia, sleep disorder, e.g. nightmare or panic in sleep, anthrophobia, refusal to a school attendance or hyperactiveness. Besides, the peculiar mental disorder such as paroxysm of anger, tic, autism, nocturnal enuresis, lack of attentiveness, impediment in linguistic development, learning difficulty, intellectual decline, etc. can be appeared, and the heavy stress during the babyhood can cause the regression of behavior or the immaturity of formation of character. 4. The appropriate treatments for the children's stress are Osteopathy, Manpulation, Aroma Therapy, Alexander Technique, Autonomic Never Control Treatment, Biofeedback, Chiropractic, Dance Therapy, Feldenkrasis Technique, Gravity Therapy, Homepathy, Aquatherapy, Hypnotherapy, Naturopathy and Meditation.

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        Effect of Xingyo-tang on Learning and Memory Performances in Mice

        김기봉,장규태,김장현 한의병리학회 2005 동의생리병리학회지 Vol.19 No.1

        The effects on memory and learning ability of the Korean herbal medicine, Xingyo-tang(XGT, 神交湯), which consists of Ginseng Radix(人蔘) 4 g, Liriopis Tuber(麥門冬) 40 g, Morindae Officinalis Radix(巴戟天) 40 g, Biotae Semen(柏子仁) 20 g, Dioscoreae Rhizoma(山藥) 40 g, Euryales Semen(芡實) 20 g, Scrophulariae Radix(玄蔘) 40 g, Salviae Miltiorrhizae Radix(丹蔘) 12 g, Poria(茯神) 12 g, Cuscutae Semen(免絲子) 40 g, was investigated. The effects of XGT on learning and memory performance were examined in normal or memory impaired mice by using avoidance tests, Pentobarbital -induced sleep test, fear conditioning task, novel object recognition task, and water maze task. Hot water extract from XGT was used for the studies. Learning ability and memory are based on modifications of synaptic strength among neurons that are simultaneously active. Enhanced synaptic coincidence detection leads to better learning and memory. The XGT-treated (30 mg/100 g and 60 mg/100 g, p.o.) mice exhibit superior ability in learning and memorizing when performing various behavioral tasks. XGT did not affect the passive avoidance responses of normal mice in the step through and step down tests, the conditioned and unconditioned avoidance responses of normal mice in the shuttle box, lever press performance tests, and the ambulatory activity of normal mice in normal condition. In contrast, XGT produced ameliorating effects on the memory retrieval impairment induced by ethanol. XGT also improved the memory consolidation disability induced by electric convulsive shock (ECS). XGT extended the sleeping time induced by pentobarbital dose-dependently, suggesting its transquilizing or antianxiety action. These results suggest that XGT has an improving effect on the impaired learning through the effects on memory registration and retrieval.

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