著者
山本 浩二 垣田 恵佑 島本 好平 永木 耕介
出版者
日本武道学会
雑誌
武道学研究 (ISSN:02879700)
巻号頁・発行日
vol.51, no.2, pp.75-87, 2018-12-28 (Released:2019-12-28)
参考文献数
31
被引用文献数
5

The purpose of this research was to examine the effect of the acquisition of life skills on competitive results in Japanese university judo players considering the temporal delay between the two variables. 517 judo players who belong to private universities (12 universities in total) participated in this research. For the life skills survey, which was conducted between early-May and late-June 2014, the participants were asked to complete a questionnaire—the Appraisal Scale of Required Life Skills for College Student Athletes (Shimamoto et al., 2013)—before the competition. The competitive results of the participants were obtained from the All-Japan Student Judo Championship Competition (AJSCC) for university students held in Tokyo during late-September. First, participants were categorized into 2 groups: a “High Competitive Level Group (n=103)”, who participated in the above mentioned AJSCC, and a “Low Competitive Level Group (n=400)”, who did not participate in the AJSCC. The results of the t-test revealed that the life skill levels of the former group were significantly higher than the latter group regarding thinking carefully, communication, setting goals, always making one’s best effort, and taking responsibility for one’s own behavior. Secondly, the participants of the former group were classified into 3 groups based on the results of the AJSCC: a “High Competitive Result Group (HCRG, n=38)”, a “Middle Competitive Result Group (MCRG, n=28)”, and a “Low Competitive Result Group (LCRG, n=37)”. The results of the analysis of variance using the life skills data obtained before the AJSCC showed that: (1) on the level of being humble, HCRG is significantly higher than MCRG; (2) on the level of taking responsibility for one’s own behavior, HCRG is significantly higher compared to LCRG; (3) on the level of maintaining physical health and well-being, HCRG is significantly higher than the other 2 groups. It was suggested that the results of this study could lead to a coaching style to achieve high competitive results without violent behavior from coaches.
著者
渡邊 佑里乃 木村 有里
出版者
日本武道学会
雑誌
武道学研究 (ISSN:02879700)
巻号頁・発行日
vol.55, no.2, pp.211-216, 2023-03-31 (Released:2023-05-23)
参考文献数
13
著者
増地 克之 町田 正直 松井 崇 薬師寺 巨久 金野 潤 小山 勝弘 岡田 弘隆 金丸 雄介 小俣 幸嗣 武政 徹
出版者
日本武道学会
雑誌
武道学研究 (ISSN:02879700)
巻号頁・発行日
vol.42, no.2, pp.2_1-2_9, 2009-11-30 (Released:2012-08-28)
参考文献数
14

The purpose of this study is to evaluate “Speed Uchikomi” as a form of strength training. We measured the following variables to evaluate the efficiency of this training, the heart rate according to the different pace of uchikomi, and the percentage of maximal oxygen consumption calculated from the heart rate and RPE. Endocrinological data, such as plasma lactic acid, ACTH and GH levels were also measured. The results were as follows: 1) We inferred from the cardiorespiratory response that “Speed Uchikomi” exceeds 70% maximal oxygen consumption when the frequency is more than once every 1.5 seconds. Therefore, when we use uchikomi as strength training, it should be done at a frequency of more than once every 1.5 seconds. 2) A gradual increase in the plasma lactic acid level, depending on the uchikomi frequency, was observed. “Speed Uchikomi” with a rate of more than once every 1.5 seconds gives a higher value than that of the lactate threshold or onset of blood lactate accumulation. From its energy metabolism, “Speed Uchikomi” is effective as endurance training. 3) “Speed Uchikomi” with a frequency of once every second increased the plasma ACTH level compared with the resting level. In other words, it is suggested that uchikomi which is a basic judo practice, has a significant influence on the endocrine system. 4) After performing “Speed Uchikomi” at the rate of once every second, the plasma GH level increased higher than the resting level, which means it has an anabolic effect. 5) The training rate of once every second is very exhausting and is expected to be more efficient than training at a rate of once every 1.5 seconds, but training like this without planning also carries a risk of overworking.
著者
大矢 稔
出版者
日本武道学会
雑誌
武道学研究 (ISSN:02879700)
巻号頁・発行日
vol.37, no.2, pp.1-14, 2004-11-30 (Released:2012-11-27)
参考文献数
71
被引用文献数
1

A portion of the supplementary description of “Fourth Kata for Tachi” leading up to the AI-CHUDAN form (both protagonists with swords raised to middle level posture) of Kendo Kata, Japan found in “Kendo Training Course Documents” has been deleted. The phrase “move forward in three relatively small steps” affects the subsequent content of the Kata in terms of rationale relating to distance maintained between protagonists. In other words, the deletion presents not only a problem relating to overall textual expression, but a far greater problem relating to the resulting omission of an essential element of the Fourth Kata.In this regard, using as many instructional texts relating to Japanese Kendo Kata as possible as reference material, I present below an evaluation of the deleted segment, insofar as it influences the Fourth Kata.The concept of sword-to-sword contact (KIRI-MUSUBI) in the form of a simultaneous attack by both protagonists (AI-UCHI) is the result of “the concept, promulgated in traditional sword techniques, of a frontal, vertical cut executed simultaneously by both protagonists derived from recombination of sword-to-sword contact techniques arising from either a descending, diagonal cut executed from the HASSO posture (with the sword held at the side of the head) or an upward diagonal cut from the WAKI-GAMAE (with the sword held low to the side) to produce sword-to-sword contact (KIRI-MUSUBI) in the form of a simultaneous, direct, vertical, frontal attack made by employing a large, expansive cutting motion with both protagonists engaging in fierce combat with an equal degree of confidence.”Considering the characteristics of posture together with footwork, the three steps forward must inevitably be relatively small to produce a wide gap between the protagonists. In addition to this, taking into overall consideration the fact that the technique employs a large, expansive cutting motion, the original form of sword-to-sword contact and vertical frontal cut, the footwork and distance traversed in a simultaneous attack by both protagonists (AI-UCHI), the retreating steps of the attacker (UCHIDACHI) in a situation with both protagonists in the AI-CHUDAN posture (both protagonists with swords raised to middle level posture) and safety considerations, it is clear that, since great care must be taken in establishing on appropriate distance between the protagonists, the three advancing steps must be relatively small to ensure a wide intervening gap.The deletion from the supplementary description in “Kendo Training Course Documents” is not merely a textual style related revision. That is to say, deletion of the elements “advancing in three small steps,” “making a frontal, vertical attack from a distance employing a large, expansive technique, ” and “using sword-to-sword contact (KIRI-MUSUBI) in the form of cuts executed by both protagonists simultaneously” not only clouds the rationale relating to distance maintained between protagonists but also in effect impedes transmission of Nippon Kendo Kata in correct form. The above illustrates that supplementary descriptions should be “advance in three relatively small steps, step in on the right foot and make a direct, frontal attack using a large, expansive cutting movement thereby producing simultaneous sword-to-sword contact.”
著者
三宅 恵介 竹澤 稔裕 伊藤 潔 佐藤 伸一郎 廣瀬 伸良
出版者
日本武道学会
雑誌
武道学研究 (ISSN:02879700)
巻号頁・発行日
vol.54, no.2, pp.103-113, 2022-03-31 (Released:2022-04-07)
参考文献数
36

The purpose of this study was to clarify the tactical actions of nage-waza that are effective in scoring in judo by using a notational match performance analysis, and to provide useful knowledge in the practical field of coaching. For this purpose, we examined the relationship between (1) the type of nage-waza, (2) whether there was a renraku-henka in the nage-waza, and (3) the combination of the tori and the uke’s kumite and whether an athlete scored any points. Data from a total of 441 matches in the −60kg, −81kg, and +100kg weight classes in international competitions held in 2020 were used.The tactical actions associated with whether points were scored or not were the type of nage-waza and whether they included a renraku-henka. The combination of tactical actions that influenced the points scored was a combination of henka-waza and te-waza, and in some weight classes, combinations of henka-waza and other techniques were also effective. The combination of henka-waza and sumi-otoshi, which is classified as a te-waza, showed the highest scoring ratio in all weight classes.This study suggests for the first time that henka-waza, especially sumi-otoshi, applied during or after the opponent’s attack, is an effective tactical action for scoring regardless of weight class. These new findings indicate that in current judo competitions it is important to not only pursue single techniques but to construct tactical actions relative to the opponent. They are also expected to be useful for specific guidance in coaching.
著者
前林 清和 中林 信二
出版者
日本武道学会
雑誌
武道学研究 (ISSN:02879700)
巻号頁・発行日
vol.18, no.2, pp.63-64, 1985-11-30 (Released:2012-11-27)
参考文献数
11
著者
酒井 利信
出版者
日本武道学会
雑誌
武道学研究 (ISSN:02879700)
巻号頁・発行日
vol.21, no.2, pp.17-18, 1988-11-30 (Released:2012-11-27)
参考文献数
3
著者
松井 紳一郎 青木 豊次 高田 十志和
出版者
日本武道学会
雑誌
武道学研究 (ISSN:02879700)
巻号頁・発行日
vol.23, no.3, pp.55-62, 1991-03-30 (Released:2012-11-27)
参考文献数
8
被引用文献数
2

Differences of physical construction between fighting Judo players often exert serious effects on the result of the match. However, some competitions in Japan are carried out regardless of considerating the constitutional differences, especially weight difference. It is important to examine the effects of constitutional differences on the match, since need of the open-weight class is discussed in the international Judo competitions.In this study, the effects of the constitutional differences (height and weight) on the Judo matches were investigated by analysing the success of the all Japan Judo championship competitions from Showa 55th (1980) to Heisei 1st (1989)The maior findings obtained were as follows:1. There was no significant difference in the number of victories between taller and shorter players in.32,2, matches in which difference of height was appreciated. Slight advantage was found in taller players, when the difference of body height was 6 cm or greater.2. When the difference of body weight was less than 20kg, there wes no effect on the success of the matches. In the matches with weight difference of 20-40kg, heavier players tended to be superior to lighter players, but the ratio of the success of match was 153: 128, indicating no significant difference. It is clear that when the weight difference was more than 40kg, heavier players was advantageous.3. Both the weight and the height differences show no effect on the success of the matches at the first half of the tournament (the 1st and 2nd tournaments), but at the second half of the tournament (from 3rd tournament to the final) heavior players were easier to win than lighter players.4. The main difference was observed in the number of “Ippon”, in the win of the matches between players with superior and inferior constitutions.In summary, it is suggested that most of participants (ca.74% of all) can have an equal opportunity of success in the all Japan championship competition. This may justify the existence of the Judo competition without distinction of weight.
著者
五賀 友継 洪 子甯 松尾 牧則
出版者
日本武道学会
雑誌
武道学研究 (ISSN:02879700)
巻号頁・発行日
vol.54, no.2, pp.87-102, 2022-03-31 (Released:2022-04-07)
参考文献数
90

The aim of this study was to clarify how kyudo was introduced and disseminated in Taiwan during the period of Japanese rule from 1895 to 1945.The first approach in investigating how kyudo began in Taiwan was by analyzing the local newspaper articles published during the period. It was found that the very first “Daikyujo” was established in Taipei in 1896, where kyudo activities first appeared. Some of the “Daikyujo” in this early period were for the purpose of physical exercise and training, while others were similar to “Yabaeigyo”, where the customers were charged to do kyudo as a form of entertainment.Next, understanding how the foundation was laid for the spread of kyudo in Taiwan was conducted by researching the role that the Dai Nippon Butoku Kai (DNBK) and the Dai Nippon Kyudo Kai (DNKK) played at the time. In the Taiwan branch of DNBK, the department of kyujutsu was established at the Taipei Chihou Iinbu (Taipei Regional Committee), which was the predecessor of the Taiwan branch of the DNBK, in 1901. This marked the beginning of kyudo practice on the island. However, the kyujutsu department was transferred out of the DNBK to Taiiku Club in 1903 and was temporarily separated from the DNBK. After the dissolution of Taiiku Club in 1916, it returned to the DNBK. Around the same time, the DNKK established its first branch in Takao (Kaohsiung) in 1915, but local promotion activities only began in earnest from 1924, after the visit of Kako NEYA, the founder of the DNKK. Subsequently, Seiko OIZUMI, a master of the DNKK, was stationed in Taiwan and further promoted the spread of kyudo.Lastly, the geographical locations and establishment timeline of the Kyudo group, mainly established by the DNBK and DNKK in Taiwan over the period of Japanese rule, were analyzed to identify the extent of the spread of kyudo in the region at the time. It was found that Kyudo group was not only established in urban areas on the west coast of the main island, but also on the less populated east coast, central mountainous areas, and remote islands. In particular, the DNKK accounts for 30% of the kyudo groups in total. On the other hand, it was not clear whether the DNBK had successfully spread to those regions. In addition, it was observed that a high concentration of kyudo organizations established in southern Taiwan were affiliated with the sugar industry. Besides the DNBK and DNKK, the Dai Nippon Shakakuin was another kyudo organization that had its branch in Taipei, but its influence was limited.
著者
和田 哲也
出版者
日本武道学会
雑誌
武道学研究 (ISSN:02879700)
巻号頁・発行日
vol.25, no.2, pp.13-23, 1992-12-31 (Released:2012-11-27)
参考文献数
42

Sekiguchi-ryu of Takeda family was a kenjyutsu-school transmitted in the Yoshino-river area in the province of Awa. In this school “taryu-jiai” was practiced vigorously with the new training method, “shinai-uchikomi-geiko”, in the latter period of Edo era. Almost all of the “densho-rui”, the traditional writings, of the Sekiguchi-school are owned by the descendants now. There were many martial arts schools whose “densho-rui” have been lost by now, so the Sekiguchi-school seems to be a quite important case for us to know the whole “densho-rui” of martial arts school. In this paper I intended to clarify the kind of “densho-rui”, their awarding order, and the relation berween the new training method and the traditional awarding order of the Sekiguchi school during the period of shifting from the old training method to the new one. The results can be summarized as follows: (1) The number of the kind of “densho-rui” in this school which are confirmed by now is about fifty. Among these, eleven kinds of “denjyu-jyo” and “sho-jyo” which were from “Sekigwchi-ryu-hachikajyo”to “Injyu”, formed the traditional awarding order of this school, and were transmitted orderly to the disciples. (2) Six Kinds of “senkyo-jyo” were “sho-jyo” to recognize the six classes of this school which were established at the end of the 18th century. The skillfullness of the technique of the new training method regarded considerably important object to recognize the classes. (3) The traditional awarding order of the Sekiguchi-school was not changed or abolished after the establishment of the six classes. Nevertheless the significance of the traditional “waza” and awarding order based on it disapeared gradually. (4) “Toritate-seido” of the Sekiguchi-school was a characteristic form to instruct the disciples and to operate the martial arts school, and had a kind of character of “iemoto-seido”. “Toritate-seido” had been made because the new trainning method came to be practiced mainly in the Sekiguchi-school.