نتایج جستجو برای: Taekwondo

تعداد نتایج: 825  

2013
Jader Sant Vinicius Santos da Silva Fernando Diefenthaeler

The aim of the present study was to verify the effect of fatigue on reaction time, response time, and impact force during the roundhouse kick in Taekwondo athletes. Six competitive male athletes performed a time to exhaustion test. Results show that a specific protocol to exhaustion reduce impact force but do not change reaction time and response time during the roundhouse kick in Taekwondo ath...

2015
RP Lystad PL Graham RG Poulos

The objectives of this study were to estimate the incidence and describe the pattern and severity of training injuries in taekwondo, and to compare pattern and severity of training injuries with competition injuries. One hundred and fifty-two active Australian amateur taekwondo athletes, aged 12 years or over, completed an online survey comprising questions on training exposure and injury histo...

Journal: :International journal of sports physiology and performance 2011
Craig A Bridge Michelle A Jones Barry Drust

PURPOSE To examine the activity profiles of elite male competitors during international Taekwondo competition in relation to fin, feather, and heavy weight categories. METHODS Twelve male Taekwondo competitors equally representing fin, feather, and heavy weight divisions were studied during the 2005 World Taekwondo Championships using a time-motion system developed to analyze the activities a...

2013
G. Pons van Dijk A. F. Lenssen P. Leffers H. Kingma J. Lodder

Balance deteriorates with age, and may eventually lead to falling accidents which may threaten independent living. As Taekwondo contains various highly dynamic movement patterns, Taekwondo practice may sustain or improve balance. Therefore, in 24 middle-aged healthy volunteers (40-71 year) we investigated effects of age-adapted Taekwondo training of 1 h a week during 1 year on various balance p...

2016
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 t...

2015
Marcos Bürger-Mendonça João Carlos de Oliveira Jefferson Rosa Cardoso Monica Bielavsky Paulo Azevedo

The aim of this study was to analyze blood lactate response before, during and after simulated taekwondo fight in young male athletes. The experiment was composed of simulated official taekwondo fight. During the experiment a total of 7 blood samples (25 μL) were collected that following: at rest, after 1st, 2nd, and 3rd rounds, and 3, 5, and 10 min after the end of combat. The results showed t...

2014
Gehan Elsawy Osama Abdelrahman Amr Hamza

Taekwondo and judo competitions are divided into weight categories. Many athletes reduce their body mass a few days before competition in order to obtain a competitive advantage over lighter opponents. To achieve fast body mass reduction, athletes use a number of nutritional strategies, including choline supplementation. The goal of this study was to identify the effects of choline supplementat...

Journal: :Journal of sports science & medicine 2007
Konstantinos Beis Willy Pieter George Abatzides

The purpose of this study was to assess time-loss injuries in young and adult taekwondo athletes. Participants were 2739 children (11-13 years), Junior (14-17 years) and adult males and females (18 years and older) competing in the national Greek championships. Injury data were collected by project staff with all diagnoses made by the tournament physician. Odds ratios were computed as well as 9...

2018
Minji Son Changhong Youm Jehwan Woo Myeounggon Lee Youkyung Kim Jinhee Kim

[Purpose] The purpose of this study is to investigate postural stability in such group of taekwondo athletes by measuring the center-of-pressure variables in both the injured limb and uninjured limb during a single-leg stance with eyes closed. [Subjects and Methods] The study includes eleven taekwondo athletes with repetitive ankle sprains (RASs) and eleven healthy taekwondo athletes (the contr...

Journal: :The Journal of the Canadian Chiropractic Association 2008
Mohsen Kazemi Heather Shearer

UNLABELLED The purpose of the present study was to examine chiropractic utilization following a sport-related injury among National Team members and other high level Taekwondo athletes. METHODS Retrospective surveys were conducted among Canadian male and female Taekwondo athletes (Group A, n = 60) competing in a national tournament and National Taekwondo team athletes (Group B, n = 16) at a t...

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