• Journal of rehabilitation welfare engineering & assistive technology
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• v.4 no.1
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• pp.43-51
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• 2010

In this paper, we developed a digital Taekwondo trainer system based on the electronic protector was authorized by the World Taekwondo Federation for the improvement of user's training effects and athletic performances. Our system consists of E-Kick Bag with sensors for sensing hits, taekwondo trainer program and receiver for interconnection of E-kick Bag to program. Taekwondo trainer system also has an advantage to improve training effects and athletic performances such as hit-accuracy and reaction velocity by appointing a hitting target for users with 6 LED indicators. The taekwondo trainer program is a user interface to provide training courses such as progress training of response time and stamina, preparation training for real sparring by training scenario. It has also characteristics which are to strengthen and supplement user's pros and cons by analyzing hitting intensity and accuracy from training. In this paper, we implemented a test targeting eight taekwondo players on the playing list include a member of the Korea national team and conducted a survey in order to evaluate the utility of our system.

• Journal of the Korean Society of Physical Medicine
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• v.19 no.1
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• pp.1-10
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• 2024

PURPOSE: This pre-post intervention study aimed to examine the effects of a 12-week supervised modified Taekwondo exercise program on the functional fitness of community-dwelling older adults. METHODS: 10 participants (mean age: 72.3 ± 4.6 years) completed the program over a 12-week period. The intervention consisted of Taekwondo-based exercises modified for older persons. Changes to functional fitness were measured using the finger-to-nose test, functional reach test, timed up and go test, 30-second sit-to-stand test, 30-second arm curl test, Chester step test, chair sit-and-reach test, and back scratch test. Participants were assessed prior to the training and after the final training session, changes were measured using descriptive statistics and paired sample 't' tests. RESULTS: Effect sizes ranged from small to large (Cohen's d = .22 to 1.23). The exercise program was well- tolerated by participants, with a high level of engagement and no attrition for the duration of the program. Results showed significant improvements in most measures of functional fitness (p < .05) except for the back scratch test (p = .051). CONCLUSION: These findings suggest a well-designed, supervised, modified Taekwondo exercise program can significantly improve functional fitness in older adults.

• Journal of Digital Convergence
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• v.15 no.6
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• pp.535-543
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• 2017

This study aimed to improve the satisfaction of multi-cultural children by encouraging their participation in healthy exercises, and confirm the level of changes in their school life, the satisfaction with happiness. In order to achieve this purpose, dividing the participants in this program into an experimental group of 20 who participate in taekwondo training program and a comparison group of 20 who do not do sports activity, the study was conducted with a binary mixed design by three repeated measures by group. The conclusions made through these measures were as follows: According to the measurement time between the experimental group who participated in taekwondo training program and the comparison group who did not do sports activity, there were differences in changes in satisfaction of school life, leisure satisfaction, and satisfaction with happiness. Namely, the change in the experimental group was more than that of the comparison group. In conclusion, for multi-cultural children, it can be assessed that as the duration of participation in the taekwondo training program increases, the effect was clear, and it was found that satisfaction of school life, leisure satisfaction, and happiness satisfaction have changed statistically and significantly.

• The Journal of Korean Physical Therapy
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• v.34 no.6
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• pp.298-303
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• 2022

Purpose: The purpose of this study was to figure out how PAP (Post-Activation Potentiation) phenomenon affects short-term performance efficiently. Methods: This study was conducted with 18 Taekwondo athletes and 16 healthy adults. By using isokinetic dynamometer, two different intervention, TDP (Top-down program) and BUP (Bottom-up program), were performed to measure isokinetic parameter; (peak torque: PT, total work: TW, average power: AP, and average torque: AT) of knee extensor for intragroup, intergroup comparison and two-way ANOVA. Results: The Taekwondo athletes group showed statistically significant differences in all isokinetic parameters PT, TW, AP, and AT after TDP (p<0.05). However, in the healthy adult group, the difference in isokinetic parameters according to the exercise sequence was not statistically significant. (p>0.05). PT and TW at TDP were statistically significant (p<0.05) when the rate of change in TDP and BUP was compared and analyzed considering the difference in physical ability between the Taekwondo athlete group and the healthy adult group. However, AP and AT were not statistically significant. Finally, when examining the interaction between the two groups and two exercise sequence according to isokinetic parameters, only TW (p<0.05) showed a statistically significant interaction, while PT (P=0.099), AP (P=0.103), and AT (P=0.096) did not. This study suggests that short-term performance can be improved through the PAP phenomenon when TDP is applied to the Taekwondo group. Conclusion: According to our result, for Taekwondo athletes, if the goal is to improve short-term performance just before the main game, we suggest a training program through TDP.

• Journal of Korean Society of Rural Planning
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• v.14 no.1
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• pp.73-82
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• 2008

Taekwondo, Korean traditional martial art as one of the ten Korean cultural symbols, has acquired a reputation for introducing and globalizing Korean culture together with its standing as official Olympic Game in 2000, Sydney, Australia. Nevertheless the World Taekwondo Headquarters, Kukkiwon, which is an exclusive Taekwondo institution only accommodates for three thousand persons. Considering the worldwide reputation of Taekwondo, the scale of Kukkiwon leaves a big supply problem. This study therefore suggests the plan to design Taekwondo park that playa major role of Taekwondo development in the 21st century and represent the cultural heartland of Taekwondo. The study considers four points. The points are as follows: 1) Necessary programs drawn by analyzing and assessing Muju city as a site for Taekwondo park, then a survey conducted for potential visitors to a Taekwondo park. Under the theme of "A World Cultural Heritage Upon Our Own Lives", the park plan intends to become a shrine of Taekwondo as well as a big tourist attraction. 2) Programs are appropriate for the terms of the investment under the auspices of government, by considering potential visits and the site conditions. 3) The meaning of Taekwondo and its history should be reflected in the space distribution and facilities allotment. Three meaningful zones: symbolic zone, training zone and culture zone are considered in planning program and space distribution. 4) The plan also intends to harmonize with local development by groping Muju city's uplifting, not only designs a Taekwondo park.

• Korean Journal of Applied Biomechanics
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• v.21 no.2
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• pp.123-129
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• 2011

The purpose of this study was to compare and analyze the effect of twelve-week Taekwondo and walking exercises on the double-leg balance control by dividing elderly females into Taekwondo, walking exercise and control groups. In total, 30 elderly females were randomly divided into Taekwondo, walking exercise, and control groups, with 10 subjects in each group. Subjects participating in this study were 10(age $69.4{\pm}5.8$ years), 10(age $71.4{\pm}7.6$ years) and 10(age $70.6{\pm}4.8$ years) in the three groups, respectively. Although the AP measures were not significantly different among the groups and times, the ML RMS distance and ML velocity, among the ML measures showed a significant difference among the groups and times. Average velocity and 95% confidence ellipse area were also significantly different among the groups and times. Twelve-week Taekwondo and walking exercises were found to be effective in improving static balance control. Future studies on the development of a Taekwondo intervention program tailored for the elderly with many subjects conducted by using a long-term training program are expected.

• Journal of The Korean Society of Integrative Medicine
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• v.9 no.3
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• pp.111-124
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• 2021

Purpose : The purpose of this study is to evaluate whether physical ability is improved by body stabilization, develop training methods to improve physical fitness factors suitable for body conditions, and provide future management and exercise materials to improve Taekwondo athletes' performance, after conducting the Body stabilization exercise (BSE) program on 22 elementary school Taekwondo athletes for 10 weeks to strengthen core muscles and evaluating Visual response speed test (VRST), Functional movement screen (FMS), Y-Balance test (YBT) and Vital capacity (VC). Methods : In order to examine the impact of the BSE program on Taekwondo athletes' VRST, FMS, YBT and VC this study conducted individual evaluations on all subjects, including VRST, FMS, YBT and VC before applying the programs, and compared exercise effects before and after the program, before and after exercise by a certain period. Results : After exercising, strength and quickness were improved significantly and reaction time was significantly shortened (p<.001). The total score of FMS was improved from 10.86±1.17 before to 11.68±0.99 after exercising, was statistically significant (p=.014). YBT was significantly improved from 91.11±4.84 before to 95.68±5.15 after exercising (p<.001). VC improved was statistically significant (p<.001). Conclusion : In conclusion, the BSE athletic program is expected to help Taekwondo athletes perform well by preventing and reducing injuries through the improvement of muscular strength, strength, speed, agility, step, kick, balance, flexibility, full body endurance and the combination of technical abilities.

• Journal of Life Science
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• v.18 no.9
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• pp.1230-1238
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• 2008

The purposes of this study was to identify the effects of regular training on body composition, bone mineral density and growth factors by taekwondo training program in the children. Subjects were aged 11$\sim$13 years. There was classified two groups (experiment group 12, control group 12), total 24. Measured items for this study were body composition (weight, percent body fat, body mass index), lumbar (L2, L3, L4), femur (neck, trochanter, ward's triangles) bone mineral density and growth factors (growth hormone, IGF-I, IGFBP-III) in the 12weeks before and after. Results of this study were as follows; In the body composition, there were showed significant differences on the weight, percent body fat and body mass index level between groups. In the bone mineral density, there were showed significant differences on the lumbar 2, 3, and femur neck, femur trochanter, femur ward's triangles level between groups. In the growth factors, there were showed significant differences on the growth hormone, IGF-I, and IGFBP-III level between groups. This study showed that an 12weeks taekwondo training program affected in a positive effects in almost of items in trained children.

• Journal of the Korean Applied Science and Technology
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• v.34 no.3
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• pp.587-594
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• 2017

The purpose of this study was to investigate the effect of rope skipping and band exercise on GH, IGF-1 and metabolic syndrome risk factors in female obese middle school students. Twenty female obese middle school students(%BF > 30%) were randomly assigned to a exercise group(EX, n=10) or control group(CON, n=10). The exercise group has performed rope skipping and band exercise for 12 weeks, 3time per week. Exercise intensity was increased gradually, from 40% to 70% of Heart Rate Reserve(HRR) and Rating of Perceived Exertion(RPE) 11-15. GH, IGF-1 and metabolic syndrome rist factors were GH, IGF-1 and metabolic syndrome risk factors were measured pre- and post-exercise program including rope skipping and band exercise. Levels of GH and IGF-1 were significantly increased (p<.01 and p<0.001, respectively) in exercise group after 12 weeks of exercise training. WC and TG were significantly decreased(p<.01) in exercise group after 12 weeks of training. HDL-C was significantly increased(p<.05) in exercise group after 12 weeks of training. In conclusion, rope skipping and band exercise were effective exercise program in improving GH, IGF-1 and metabolic syndrome risk factors in female obese middle school students.

• Journal of the Korean Society of Physical Medicine
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• v.4 no.3
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• pp.175-182
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• 2009

Purpose：The purpose of this study is to investigate the effects of Taekwondo training causing leg-muscular strength for elementary school children. Methods：The subjects were Taekwondo group (n=20) and non-Taekwondo group (n=20) from 5-6 graders of elementary school. The Tkd group exercised Taekwondo and the non-Taekwondo group exercised free gymnastics. The subjects were measured 3 times(pre, mid and after)during the 8weeks program. The leg muscular strength peak torque and average power were measured. And the extension-flection of angular speed 60 deg/sec and 180 deg/sec was measured. Results：The results of this study can be summarized as follows: 1. Compared with the Tkd group, the non-Tkd group showed no significant difference in tests statistically in case of right-left of pre-4weeks. The leg muscle's peak torque did not show significant difference in the extension angular 60 deg/sec(p>.05). 2. The score of flection angular speed 60deg/sec was not different in tests leg strength of right-left to pre-4weeks(p<.05), but the muscle was increased according to the amount of time spent in case of the 4-8weeks. 3. Compared with the Tkd group, the non-Tkd group showed no significant difference in tests statistically in case of right-left of pre-4weeks. The leg muscle's peak torque did not show significant difference in the extension angular 180deg/sec(p>.05). The right leg muscular strength was increased in case of the 4-8weeks. The left leg showed no difference. 4. Leg muscular strength was increased in the case of the pre-4weeks in the right of flection angular speed 180deg/sec. The left did not show difference. The right leg muscle in case of the 4-8weeks showed no difference. The left showed significant difference. Conclusion：Taekwondo training is effective for leg-muscular strengthing for elementary school children.