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Effect of official judo matches on handgrip strength and perceptual responses
Rafael Lima Kons,Juliano Dal Pupo,Jonathan Ache-Dias,Thyago Garcia,Romário Rodrigues da Silva,Luiz Felipe Guarise Katicips,Daniele Detanico 한국운동재활학회 2018 JER Vol.14 No.1
This study aimed to verify the effect of judo matches on handgrip strength and perceptual responses during an official tournament in medalists and nonmedalists. Thirty-four male judo athletes participated in an offi-cial judo tournament. Before the first match and immediately after each match, maximum isometric handgrip strength and rate of perceived ex-ertion overall and in specific areas were assessed. Analysis of variance for repeated measures was used to compare variables before the first match and after each match, and t-test was used to compare medalists and nonmedalists with the level of significance set at 5%. Also, effect size (ES) analysis was used. The results showed decrease in handgrip strength in both hands from the third match (P<0.05). The rate of per-ceived exertion (RPE) increased from the first match and remained high over the subsequent matches (P<0.001). A very large effect for nonmed-alist group (ES=3.44) and large effect for medalist group (ES=1.94) was found in the third match compared to prematch. Forearm and fingers were the body regions most cited by athletes in both groups. We con-cluded that an official judo competition induced significant drop in hand-grip strength from the third match and increased the RPE from first match. Medalists seem to have better recovery after the third match compared to nonmedalists.
인라인 스케이팅 상해의 분석과 예방 : 미국의 사례를 중심으로 a case study of US
김건철 한국스포츠리서치 2004 한국 스포츠 리서치 Vol.15 No.6
This study is based on 1,282 medical record of CPSC by using NEISS during Dec. 1-31, 2003. There are more injuries in spring and summer than in winter, and most of injuries take place to children in thier teens(54%) or younger children. Moreover, the ratio of male and female injuries is 1.4 to 1. Most injured parts of body are wrist(26.1%), elbow(6.6%), knee(6.3%), head(5.7%), thigh(5.5%), face(4.8%), ankle(4.7%), shoulder(4.0%), and fingers(3.8%). In case of brain injury, possibility of serious brain damage is 68%. Place whre injuries take place are house area, roads, and parks, and places have no relations with parts of body which are injured. Only 3% of injured persons are hospitalized. 90% of all inline skating injuries are related to sprains and injuries caused by a cut. Injuries of wist, elbow, and knee compose 34.5% of all, cases, and which can be prevented by using three-pack protective gear. Therefore, protective gear and long sleeved shirts can protenct the limbs, and equipping with these things are very significant. According to the results of this study, the equipment of protective gear during skating or education must be strongly recommended. According to this study, the percentage of brain damage which can be happen during inline skating is very low, 5.7% but the results of brain damage can be lethal and serious. Therefore, equipping with protective head gear is very important. In short, helmet and three pack head gear are vital when inline skating Equipment of these will have a great effect on the prevention of injuries.
외국의 지적재산권 보호가 한국의 FDI에 미치는 영향에 관한 연구 : 국가특성과 산업특성을 중심으로
박건영 한국관세학회 2007 관세학회지 Vol.8 No.1
The main purpose of this research is to empirically examine the effects of foreign intellectual property rights(IPRs) protection on the FDI volume of Korea. In the empirical analysis, I have applied the gravity model to the FDI data of Korea from 2001 to 2003, divided by host countries and industries. As the results, I have found that foreign IPRs protection has negative effects on Korea FDI volume, which means that the high level of foreign IPRs protection should not result in increasing Korea FDI volume on average. The effects of IPRs, however, differ with trading partners and industries. Specially, there are the negative effects of IPRs in the FDI of manufacturing industries to developing countries. From these results, I have concluded that the effects of foreign IPRs protection differ with the characteristics of host countries and industries and these differences must be considered in policy related with foreign IPRs.
식물체로부터 추출한 물질이 상추 종자의 발아 및 생장에 미치는 영향
박건남,이민경,황선주,김학윤,이인중,신동현,김길웅 경북대학교 농업과학기술연구소 1999 慶北大農學誌 Vol.17 No.-
This study was conducted to detect the allelopathic effect of water and ethanol extracts from 4 plant species (Lactuca sativa L., Ambrosia elatior L., Oenothenra odorata Jasp., Ginkgo biloba L.) on germination and growth of lettuce seeds. A little bit higher inhibitory effect was obtained in ethanol extracts rather than water extracts. Allelopathic effects varied in the source of extracts and concentrations of 4 plant species and the highest allelopathic effect appeared in 10% solution, regardless of plant species.
李建世 건국대학교 1987 論文集 Vol.24 No.1
Development and progress in real estate appraising depends heavily on the knowledge of economics which accumulates throughout history Value theory and practice as taught by leading appraisal societies today are largely a synthesis of the important ideas and economic concepts developed by leader of the Classical, Austrian, Historical, Neoclassical and Modern schools of Value Theory. Market value may rightfully be designated as the heart of all real Estate Value. Market Value is the price which a property will bring in a competitive market under all conditions requisite to a fair sale, which would result from negotiations between a buyer and a seller, each acting prudently, with knowledge and without undue stimulus. But, some appraisers, real estate experts, and economists maintain that technically it is impossible to estimate the market value of real estate according to the assumptions contained in the standard definitions as given above. This view is advanced by Dr. Richard U. Ratcliff, who objects to the legal definition of market value since it refers to hypothetical buyers and sellers who bargain under hypothetical market conditions. This interpretation views the value estimate not as an interpretation of what would happen under ideal condition, but what will happen under actual circumstances. Fundamental to the concept of market value is the Principle of Highest and Best Use. Highest and Best Use is logically defined as "that possible and legal use or employment which will preserve the utility of the land and yield a net income flow that forms, when capitalized at the proper market rate of interests, the highest present value of the land." But, The Principle of Highest and Best Use Contains similar problems in its unrealistic assumptions. The following are the principal objections raised to The Highest and Best Use concepts by those who advocate a Most Probable Use. - There can be more than one highest and best use for a property. - The highest income does not necessarily represent the highest and best development of the property, for two reasons ① The use may involve depletion of the property ② The income may entail a high risk factor, resulting in lower value. In the context of most probable sales price another appropriate term to reflect highest and best use would be most probable use. In the context of investment value an alternative term would be most profitable use.
발효사료 첨가가 돼지의 성장능력 및 도체특성에 미치는 효과
김건중 公州大學校 資源科學硏究所 1996 資源科學硏究論文集 Vol.4 No.-
This experiment was conducted to investigate the effects of dietary supplementation fermented with Appergillus oryzae and Aspergillus niger on body weight gain, feed intake, feed efficiency, nutrient digestiblities and carcass traits of growing- finishing pigs. Sixty crossbred pigs 〔LD(♀) x Y(♂)〕 weighing approximately 20kg, were randomly allotted to 4 treatment and each treatment consisted of 3 replicates and 5 pigs per replicate, after of 120 days feeding trial, pigs were slaughted for carcass quality. The results obtained were as follows: 1.The body weight increased by 4.7kg in the treatment with 20% fermentation feeds added than the control treatment. 2.The feed efficiency was improved by 8% in the treatment with 20% fermentation feeds added than the control treatment. 3.The digestibilities of lipid and total carbohydrate were improved by 4.6%, 3.6% in the treatment with 20% fermentation feeds added than the control treatment, respectively. 4.The lean meat percentage was increased by 2% in the treatment with 20% fermentation feeds added than the control treatment and the backfat thickness was thinned by 0.6cm in the treatment with 20% fermented feeds added than the control treatment.