• Title/Summary/Keyword: Kendo

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The Exploring Meaning and Training Experiences of Kendo Participants (검도동호인의 수련경험과 의미)

  • Park, Dongjoo;Lee, Keunmo;Lim, Saemi
    • 한국체육학회지인문사회과학편
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    • v.56 no.6
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    • pp.71-80
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    • 2017
  • The purpose of this study was to explore meaning and training experience of Kendo participants by qualitative research. For this purpose, the results of the study were obtained from 11 male and female subjects practicing in the Kendo area of Busan Metropolitan City. In order to elucidate the results of the study, in - depth interviews and related supporting data were collected and the data collected through text analysis were analyzed. As a result, the training experience of Kendo participants has formulated in three respective aspects and the result of such study is shown comprehensively as follows. The Kendo participants consider that the Kendo training would be the continuance of one's own fight and the process to overcome such would be an occasion to enhance the sense of pride for the trainees. Not only in Kendo training but also in ordinary living, this experience displays the foundation to overcome when one encounters the limitations within. Under this process, what is important to the Kendo trainees would be manner. The first thing learned in the Kendo training center is manner and manner is the most important virtue to be equipped for the Kendo trainers. Furthermore, Kendo has the strength to advance righteous personal traits through the physical activities. Lastly, those participants that are equipped with the qualification as the master through long period of training have profound training of Kendo in order to be equipped with the competency as the master and this experience has prepared the turning point to be advanced as true and genuine Kendo men.

A Study on the Stress and Strain Analysis of Human Muscle Skeletal Model in Kendo Three Typical Attack Motions (세 가지 주요 검도 공격 동작에서의 근-골격계 응력과 번형률 해석에 관한 연구)

  • Lee, Jung-Hyun;Lee, Young-Shin
    • Journal of the Korean Society for Precision Engineering
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    • v.25 no.9
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    • pp.126-134
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    • 2008
  • Kendo is one of the popular sports in modem life. Head, wrist and thrust attack are the fast skill to get a score on a match. Human muscle skeletal model was developed for biomechanical study. The human model was consists with 19 bone-skeleton and 122 muscles. Muscle number of upper limb, trunk and lower limb part are 28, 60, 34 respectively. Bone was modeled with 3D beam element and muscle was modeled with spar element. For upper limb muscle modelling, rectus abdominis, trapezius, deltoideus, biceps brachii, triceps brachii muscle and other main muscles were considered. Lower limb muscle was modeled with gastrocenemius, gluteus maximus, gluteus medius and related muscles. The biomechanical stress and strain analysis of human muscle was conducted by proposed human bone-muscle finite element analysis model under head, wrist and thrust attack for kendo training.

Relationship between Ground Reaction Force and Attack Time According to the Position of Hand Segments during Counter Attack in Kendo

  • Hyun, Seung Hyun;Jin, HyeonSeong;Ryew, Che Cheong
    • Korean Journal of Applied Biomechanics
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    • v.27 no.1
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    • pp.1-7
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    • 2017
  • Objective: The purpose of this study was to analyze the relationship between ground reaction force (GRF) and attack time according to the position of hand segments during counter attack in Kendo. Method: The participants consisted of 10 kendo athletes (mean age: $21.50{\pm}1.95yr$, mean height: $175.58{\pm}5.02cm$, mean body weight: $70.96{\pm}9.47kg$) who performed standard head strikes (A) and counter attack with a preferred hand position of +10 cm (B), 0 cm (C), and -10 cm (D). One force-plate (AMTI-OR-7., USA) was used to collect GRF data at a sample rate of 1,000 Hz. The variables analyzed were the attack time, medial-lateral GRF, anterior-posterior GRF (AP GRF), peak vertical force (PVF), and loading rate. Results: The total attack time was shorter in types A and C than in types C and D. The AP GRF, PVF, and loading rate had significantly higher forces in types C and D than in types A and C. The attack time (bilateral and unilateral leg support and total) was positively correlated with the GRF variables (vertical GRF and loading rate) during the counter attack in Kendo (r = 0.779 [$R^2=0.607$], p < 0.001). Conclusion: The positions of the hand segments can be changed by various conditions of the opponent in Kendo competitions; however, the position preferred by an individual can promote the successful ratio of the counter attack.

Analysis of Sports Injuries in Kendo (검도 운동에서 발생된 스포츠 손상의 분석)

  • Song, Hyun-Seok;Park, Sung-Jin;Han, Suk-Ku;Nah, Ki-Ho;Cheung, Hyung-Kook;Choi, Woo-Hyuk;Choi, Nam-Yong
    • Journal of Korean Orthopaedic Sports Medicine
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    • v.4 no.2
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    • pp.122-127
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    • 2005
  • Purpose: To study the mechanism of injuries or discomfort during kendo and to analyze the causes of injury, injured parts of body, treatments modalities, and degree of return to the pre-injury activity level. Materials and Methods: We studied ninety-eight kendo players who had played at three gymnasium of Korean Kumdo Association, were older than high-school age, had been playing kendo for more than six months, and had any pain or discomfort after playing kendo. We analyzed the questionnaire and interviewed the patients concerning the injured parts of body, symptoms, treatments. Results; The mean age was 30.2 years old, and the onset of symptoms was between two weeks and six months after starting the kendo. Many of them were injured during attacking(32.2%). The injuries of feet were increased on players who exercised for less than 1 year. Only fifty-nine players(60.2%) were treated within one month. Among them, thirty-eight percent were treated by oriental medicine or other departments and only thirty-six percent were treated by orthopaedic surgeons. The prevalence of injuries of the foot and ankle was highest(38.8%), and there were the wrist(13.1%), shoulder(11.9%), knee(11.9%) in order of prevalence. Fifty percents of them could return to the pre-injury activity level. Conclusion: The prevalence of injuries of the foot and ankle was highest(38.8%), and were increased on players who exercised for less than 1 year. Sixty percents of players were treated with any proper modalities, and only thirty-six percent were treated by orthopaedic surgeons.

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Study on Physique Characteristics of Skilled Athletes

  • Kim, Bo-Kyoung;Lee, Suk-Hee;Yoon, Jung-Gyu;Jeon, Hye-Mi;Kim, Jung-Hee;Lee, Ju-Hwan;Lee, Joon-Hee;Lee, Mun-Hwan;Chang, Duncan;Choi, Wan-Suk
    • Journal of International Academy of Physical Therapy Research
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    • v.2 no.1
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    • pp.244-250
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    • 2011
  • The purpose of this study is to investigate whether there are differences in physique characteristics between the excellent domestic player groups in each sport player's, to prevent epidemiologic damage of musculoskeletal system and to provide fundamental data to improve performances for players. This study has performed for total 60 student players from Y University in Yongin, Gyeonggi-do, consists of 20 Kendo players, 20 Judo players and 20 Taekwondo players. We measured the length and circumference of arm, leg, body using Martin anthropometer to collect the data for 3 groups. There was significant difference in lower left arm length between player groups(p<.01), and Kendo players' right side femoral were longer than other 2 groups for leg length measurement(p<.01). Judo players' circumference for right/left stretched arm/bent upper arm were thicker than other 2 groups(p<.01). Taekwondo players' chest circumference were smaller than other 2 groups(p<.01), and Taekwondo players' right/left femoral circumference were thinner than other 2 groups(p<.05). From this study, it was found that there are physique characteristics differences between the Kendo, Judo and Taekwondo player groups. This indicates that repeated exercise for each sport player causes physique change, and it may cause epidemiologic damage of musculoskeletal system. It is recommended to perform balancing exercise prior to main exercise.

An Interactive Interface for Rapid Motion Modification of an Articulated Object Model with Multiple Joints and Its Application to Kendo Coaching

  • Naoya, Yokoyama;Ishimatzu, T.
    • 제어로봇시스템학회:학술대회논문집
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    • 2001.10a
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    • pp.46.2-46
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    • 2001
  • A method of interactive human interface for motion modification of an articulated object model like a human body, a multiple joints robot, etc. has been developed, and implemented to a human body motion model. In the case of computer software models, the initial data setting for overall motion is rather easy. However, modifying or correcting the initially set motion is rather difficult for keeping consistency. In this research, the requirements shown below have mainly been set as the specifications ...

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Common Trigger Points on College-Level Athletes with Various Sports

  • Park, Joo-Hyun;Shin, Hee-Joon;Lee, Sa-Gyeom;Lee, Geon-Cheol;Yoon, Hee-Jong;Hong, Wan-Sung;Goo, Bong-Oh;Lee, Dong-Yeop;Shin, Hyung-Soo;Yoon, Bum-Chul
    • Journal of International Academy of Physical Therapy Research
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    • v.1 no.1
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    • pp.58-64
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    • 2010
  • The purpose of this study was to investigate the distribution of trigger points(TrPs) on athletes with various sporting background. To achieve the purpose, a study was carried out through a survey from 180 athletes involved in 6 selected sports at Yong-In University. Selected sports included Judo, Taekwondo, Kendo, Ssi-reum(Korean traditional wrestling), Boxing, and Golf. An interview type survey and physical examination were conducted with each thirty athletes from each of the selected sports groups. Technical statistic(SPSS 15.0) was used to analyze the distribution of TrPs on these athletes. The most common TrPs observed in muscles of Trapezius, Quadratus Lumborum, Quadriceps in Judo. In Taekwondo, it was on the trapezius and triceps surae. Kendo athletes had TrPs at sites of trapezius, brachioradialis and triceps surae. Ssirem athletes were found to have TrPs on trapezius, deltoid and quadrates lumborum. In boxers, TrPs appearing at trapezius and brachioradialis were observed. Finally, Golf players were seen to have TrPs at trapezius, quadrates lumborum and brachioradialis. Hence, the analysis shows that there are significant differences of the distribution of TrPs according to the different sport items of the athlete.

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