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https://www.readbyqxmd.com/read/28538301/proposal-of-a-new-specific-cardiopulmonary-exercise-test-for-taekwondo-athletes
#1
Marcus P Araujo, Antônio C L Nóbrega, Gabriel Espinosa, Matheus R Hausen, Renata R T Castro, Pedro P Soares, Jonas L Gurgel
Araujo, MP, Nóbrega, ACL, Espinosa, G, Hausen, MR, Castro, RRT, Soares, PP, and Gurgel, JL. Proposal of a new specific cardiopulmonary exercise test for taekwondo athletes. J Strength Cond Res 31(6): 1525-1535, 2017-The objective of this study is to evaluate the cardiorespiratory variables of Taekwondo athletes while performing incremental exercise test on an ergometer using a ramp protocol and to propose a specific protocol for assessing these physiological variables during Taekwondo practice. Fourteen athletes participated in 2 incremental exercise tests: a treadmill exercise test (TREADtest) and a Taekwondo-specific exercise test (TKDtest)...
June 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28533615/effects-of-taekwondo-intervention-on-cognitive-function-and-academic-self-efficacy-in-children
#2
Su Youn Cho, Young Il Kim, Hee Tae Roh
[Purpose] The purpose of this study was to investigate the effects of taekwondo training on cognitive function and academic self-efficacy in children. [Subjects and Methods] Thirty-five children participated in the study. Seventeen children were randomly selected to undergo taekwondo training for 16 weeks (5 times per week). As controls, 18 children received no training. Cognitive function and academic self-efficacy were measured using the Stroop Color and Word Test (Word, Color, and Color-Word) and academic self-efficacy scale (Self-confidence, Self-regulatory Efficacy, and Task Difficulty Preference), respectively...
April 2017: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/28503528/the-development-of-anger-management-program-based-on-acceptance-and-commitment-therapy-for-youth-taekwondo-players
#3
Duksun Chang, Seunghyun Hwang
This study aimed to develop an intervention program based on acceptance and commitment therapy (ACT) for youth taekwondo players. Eight sessions of the ACT program were provided to nine youth taekwondo players. The content analysis was conducted for the activities, activity sheets, assignments, and program evaluations. First of all, the results showed that the ACT program changed the participants' diverse psychological inflexibility a flexible and value-oriented state, which was supported by their positive mood changes after each session...
April 2017: Journal of Exercise Rehabilitation
https://www.readbyqxmd.com/read/28441325/the-effects-of-taekwondo-training-on-peripheral-neuroplasticity-related-growth-factors-cerebral-blood-flow-velocity-and-cognitive-functions-in-healthy-children-a-randomized-controlled-trial
#4
Su-Youn Cho, Wi-Young So, Hee-Tae Roh
Although regular Taekwondo (TKD) training has been reported to be effective for improving cognitive function in children, the mechanism underlying this improvement remains unclear. The purpose of the present study was to observe changes in neuroplasticity-related growth factors in the blood, assess cerebral blood flow velocity, and verify the resulting changes in children's cognitive function after TKD training. Thirty healthy elementary school students were randomly assigned to control (n = 15) and TKD (n = 15) groups...
April 25, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28423014/initial-systemic-inflammatory-state-perturbs-exercise-training-adaptations-in-elite-taekwondo-athletes
#5
Chung-Yu Chen, Yi-Hung Liao, Chun-Chung Chou, Yu-Chi Sung, Shiow-Chwen Tsai
PURPOSE: This study examined ten-week TKD-specific training effects on aerobic capacity, body composition, hormone responses and hematological parameters in elite TKD athletes with varied initial inflammatory states. METHODS: Twenty-two elite college TKD athletes were divided into two groups according to their initial neutrophils-to-lymphocytes ratio (NLR) values: Low NLR (N = 11, 9M/2F, age: 21.6 ± 1.0 yrs; NLR: 1.3 ± 0.2) and High NLR (N = 11, 8M/3F, age: 22...
2017: PloS One
https://www.readbyqxmd.com/read/28387642/biomechanical-head-impact-characteristics-during-sparring-practice-sessions-in-high-school-taekwondo-athletes
#6
David M O'Sullivan, Gabriel P Fife
OBJECTIVE The purpose of this study was to monitor head impact magnitude and characteristics, such as impact location and frequency, at high school taekwondo sparring sessions. METHODS Eight male high school taekwondo athletes participated in this study. The head impact characteristics were recorded by X-Patch, a wireless accelerometer and gyroscope, during 6 taekwondo sparring sessions. The outcome measures were the peak linear acceleration ( g = 9.81 msec(2)), peak rotational acceleration, rotational velocity, and Head Injury Criterion...
April 7, 2017: Journal of Neurosurgery. Pediatrics
https://www.readbyqxmd.com/read/28205480/extensor-tendon-instability-due-to-sagittal-band-injury-in-a-martial-arts-athlete-a-case-report
#7
Andrew Kochevar, Ghazi Rayan
A Taekwondo participant sustained a hand injury from punching an opponent that resulted in painful instability of the ring finger extensor digitorum communis tendon due to sagittal band damage. His symptoms resolved after reconstructive surgery on the sagittal band (SB) with stabilization of the extensor tendon over the metacarpophalangeal joint.
March 2017: Journal of Hand Surgery Asian-Pacific Volume
https://www.readbyqxmd.com/read/28158252/physiological-responses-and-external-validity-of-a-new-setting-for-taekwondo-combat-simulation
#8
Matheus Hausen, Pedro Paulo Soares, Marcus Paulo Araújo, Flávia Porto, Emerson Franchini, Craig Alan Bridge, Jonas Gurgel
Combat simulations have served as an alternative framework to study the cardiorespiratory demands of the activity in combat sports, but this setting imposes rule-restrictions that may compromise the competitiveness of the bouts. The aim of this study was to assess the cardiorespiratory responses to a full-contact taekwondo combat simulation using a safe and externally valid competitive setting. Twelve male national level taekwondo athletes visited the laboratory on two separate occasions. On the first visit, anthropometric and running cardiopulmonary exercise assessments were performed...
2017: PloS One
https://www.readbyqxmd.com/read/28150471/the-effect-of-4-weeks-fixed-and-mixed-intermittent-hypoxic-training-iht-on-respiratory-metabolic-and-acid-base-response-of-capillary-blood-during-submaximal-bicycle-exercise-in-male-elite-taekwondo-players
#9
Hun-Young Park, Sub Sunoo, Sang-Seok Nam
Purpose: The purpose of our study was to determine the effectiveness of 4 weeks fixed and mixed intermittent hypoxic training (IHT) and its difference from exercise training at sea-level on exercise load, respiratory metabolic and acid-base response of capillary blood during 80% maximal heart rate (HRmax) bicycle exercise in male elite Taekwondo players. Methods: Male elite Taekwondo players (n = 25 out of 33) were randomly assigned to training at sea-level (n = 8, control group), training at 16...
December 31, 2016: Journal of Exercise Nutrition & Biochemistry
https://www.readbyqxmd.com/read/28149417/determination-of-aerobic-power-through-a-specific-test-for-taekwondo-a-predictive-equation-model
#10
Fernando P S Rocha, Hugo Louro, Ricardo Matias, João Brito, Aldo M Costa
Our aim was to verify the concurrent validity of a maximal taekwondo specific test (TST) to predict VO2max through an explanatory model. Seventeen elite male taekwondo athletes (age: 17.59 ± 4.34 years; body height: 1.72 ± 6.5 m; body mass: 61.3 ± 8.7 kg) performed two graded maximal exercise tests on different days: a 20 m multistage shuttle run test (SRT) and an incremental TST. We recorded test time, VO2max, ventilation, a heart rate and time to exhaustion. Significant differences were found between observed and estimated VO2max values [F (2, 16) = 5...
December 1, 2016: Journal of Human Kinetics
https://www.readbyqxmd.com/read/28149361/case-study-of-mental-skills-training-for-a-taekwondo-olympian
#11
TaeHee Lim, David Michael O'Sullivan
The purpose of this study was to identify the effect of systematic mental skills training (MST) for a taekwondo gold medallist. Based on MST of other sports, this programme was designed for a single subject who competed in the Olympics. The Korean test of performance strategies, Sport Attributional Style in Korean Athletes, and a few sessions of interviews were applied to investigate the effect of MST. The pre and post-test mean scores of both the Korean test of performance strategies and Sport Attributional Style in Korean Athletes were compared...
April 1, 2016: Journal of Human Kinetics
https://www.readbyqxmd.com/read/28065994/injuries-in-elite-taekwondo-poomsae-athletes
#12
Mohsen Kazemi, Anas Ingar, Ali Jaffery
Poomsae is the only non-contact and no opponent form of Taekwondo. The purpose of this descriptive study was to determine the type and rate of injuries in elite Canadian Poomsae athletes. Strain and joint dysfunction were the most common types of injuries in Poomsae. Lower limb and back were the most common area of injury in females and males respectively. Females with a lower rank in experience level (DAN≤ 3) were more likely to suffer from chronic overuse injuries compared to their male counterparts, who reported more acute injuries...
December 2016: Journal of the Canadian Chiropractic Association
https://www.readbyqxmd.com/read/27994489/age-and-sex-related-differences-in-the-anthropometry-and-neuromuscular-fitness-of-competitive-taekwondo-athletes
#13
Pantelis Theodoros Nikolaidis, Krzysztof Buśko, Filipe Manuel Clemente, Ioannis Tasiopoulos, Beat Knechtle
Anthropometry and neuromuscular fitness have been shown to relate with taekwondo (TKD) performance; however, little information is available on the variation of these fitness components by sex and age in athletes practicing this sport. The aim of the present study was to examine the anthropometry and neuromuscular fitness of TKD athletes by sex and age. A total of 393 athletes (7-48 years old), separated into six age groups (7-9, 10-11, 12-13, 14-17, 18-32, and 33+), were examined for anthropometry and performed a series of neuromuscular fitness tests (flexibility, agility, muscle power, and isometric strength)...
2016: Open Access Journal of Sports Medicine
https://www.readbyqxmd.com/read/27932534/perceptual-and-motor-performance-of-combat-sport-athletes-differs-according-to-specific-demands-of-the-discipline
#14
Wei-Ying Chen, Sheng K Wu, Tai-Fen Song, Kuei-Ming Chou, Kuei-Yuan Wang, Yao-Ching Chang, Patrick T Goodbourn
The specific demands of a combat-sport discipline may be reflected in the perceptual-motor performance of its athletes. Taekwondo, which emphasizes kicking, might require faster perceptual processing to compensate for longer latencies to initiate lower-limb movements and to give rapid visual feedback for dynamic postural control, while Karate, which emphasizes both striking with the hands and kicking, might require exceptional eye-hand coordination and fast perceptual processing. In samples of 38 Taekwondo athletes (16 females, 22 males; mean age = 19...
December 7, 2016: Perceptual and Motor Skills
https://www.readbyqxmd.com/read/27904629/effect-of-various-kinds-of-beverages-on-stress-oxidative-f2-isoprostane-serum-lipid-and-blood-glucose-of-elite-taekwondo-players
#15
Zahra Maghsoudi, Ashfin Shiranian, Gholamreza Askai, Reza Ghaisvand
BACKGROUND: Athletes' recovery is important in improving their performance. Nutritional strategies can be effective in enhancing recovery rate. Choosing the best food items in appropriate intervals can play effective roles in resynthesis of fuels and recovery of muscle injury. Beverage micro and macronutrient content are helpful in fuel restoration. In this study, we assess the effects of various kinds of beverages on oxidative stress, muscle injury, and metabolic risk factors in taekwondo players...
September 2016: Iranian Journal of Nursing and Midwifery Research
https://www.readbyqxmd.com/read/27799678/differences-in-respirogram-phase-between-taekwondo-poomsae-athletes-and-nonathletes
#16
Yong-Sub Shin, Seung-Min Yang, Mee-Young Kim, Lim-Kyu Lee, Byoung-Sun Park, Won-Deok Lee, Ji-Woong Noh, Ju-Hyun Kim, Jeong-Uk Lee, Taek-Yong Kwak, Tae-Hyun Lee, Jaehong Park, Junghwan Kim
[Purpose] Respiratory physiotherapy is an effective approach to improving lung function in patient, including athletes with respiratory dysfunction caused by sports injury. The purpose of this study was to analyze the differences in the respirograms between taekwondo poomsae athletes and nonathletes according to the respirogram phase. [Subjects and Methods] Respiratory measurements for 13 elite taekwondo poomsae athletes were obtained. Respiratory function was measured using spirometry while the participant was seated...
September 2016: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/27764244/correction-caffeine-ingestion-increases-estimated-glycolytic-metabolism-during-taekwondo-combat-simulation-but-does-not-improve-performance-or-parasympathetic-reactivation
#17
João Paulo Lopes-Silva, Jonatas Ferreira da Silva Santos, Braulio Henrique Magnani Branco, César Cavinato Cal Abad, Luana Farias de Oliveira, Irineu Loturco, Emerson Franchini
[This corrects the article DOI: 10.1371/journal.pone.0142078.].
2016: PloS One
https://www.readbyqxmd.com/read/27592682/effect-of-fatigue-on-reaction-time-response-time-performance-time-and-kick-impact-in-taekwondo-roundhouse-kick
#18
Jader Sant'Ana, Emerson Franchini, Vinicius da Silva, Fernando Diefenthaeler
Reaction time and response time are considered important abilities and can potentially affect combat performance. This study investigated the effect of a specific fatigue protocol on reaction time, response time, performance time, and kick impact. Seven male athletes reported to the laboratory on two different days. During day one, athletes performed a specific progressive taekwondo test, and on day two, a protocol for determining reaction time, response time, performance time, and kick impact before and after a time to exhaustion test at an intensity level corresponding to the maximal kick frequency obtained during the specific progressive taekwondo test...
June 2017: Sports Biomechanics
https://www.readbyqxmd.com/read/27588179/effect-of-a-four-week-exercise-program-on-the-secretion-of-ifn-%C3%AE-tnf-%C3%AE-il-2-and-il-6-cytokines-in-elite-taekwondo-athletes
#19
Oktay Kaya
The aim of the present study was to examine how a 4-week exercise program affects the serum levels of certain cytokines in Taekwondo athletes. The study involved 10 elite male Taekwondo athletes (mean age, 20.67±0.24 years; mean weight, 65.45±1.69 kg) who were studying at the Physical Education and Sports High School of Selçuk University (Konya, Turkey) in June 2014. The subjects were involved in a Taekwondo exercise program on every weekday for 4 weeks. The subjects were also engaged in an exercise to exhaustion session twice; once before starting the 4-week exercise program and once upon completion of the program...
September 2016: Biomedical Reports
https://www.readbyqxmd.com/read/27544985/-eating-attitudes-and-pre-competition-rapid-weight-loss-in-young-taekwondo-fighters
#20
Gal Dubnov-Raz, Yael Mashiach-Arazi, Rakefet Arieli, Raanan Raz, Naama W Constantini
BACKGROUND: Taekwondo is a martial art and a combat Olympic sport. Similar to other types of combat sports, Taekwondo fights are conducted between opponents grouped by sex, age and weight classes. Disordered eating behaviors are common in combat sports with weight classes, attributed to the athletes' need to remain within a specific weight range. Pre-competition rapid weight loss (RWL) is also common, and entails a health risk. AIM: To assess the eating attitudes and the prevalence and techniques of RWL among young Taekwondo fighters...
June 2016: Harefuah
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