Influence of the distance in a roundhouse kick's execution time and impact force in Taekwondo

Falcó, Coral; Álvarez, Octavio; Castillo, Isabel; Estevan, Isaac; Martos, Julio; Mugarra, F.; Iradi, Antonio

doi:10.1016/j.jbiomech.2008.10.041

Cited by 126 publications

(147 citation statements)

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“…The taekwondo athletes completed two roundhouse kicks with the dominant lower limb (31 right-footed and 12 left-footed) being the rear limb from a distance (M = 1.01; SD = 0.06 m) equal to the lower limb length (Falco et al, 2009). This procedure was approved by the Ethics Committee of the University of Valencia (Spain).…”

Section: Methodsmentioning

confidence: 99%

“…In taekwondo, the roundhouse kick is a complex task and is the most frequent kick used in training and competitions (Estevan, Alvarez, Falco, Molina-García, & Castillo, 2011;Menescardi et al, 2012). Performance in terms of the impact force and response time has usually been analyzed to measure kick performance (Estevan et al, 2011;Falco et al, 2009).…”

Section: Introductionmentioning

confidence: 99%

“…Internal consistency of this scale was α = 0.73. Sport performance was measured by the impact force and total response time (combined reaction and execution time) in the roundhouse kick (Falco et al, 2009) to the chest. Performance was measured by a data acquisition system composed of a force platform (by nine piezoresistive pressure sensors (Flexiforce® A201 model by Tekscan Company Inc., South Boston, USA) positioned in series in groups of three in a triangular structure; this structure was chosen taking into consideration that the force of the kick would be distributed more homogeneously on the target area.…”

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Self-efficacy and performance of the roundhouse kick in taekwondo

Estevan

Álvarez

Falcó

et al. 2014

Rev. artes marciales asiát.

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Development of self-efficacy scales allows the analysis of athletes' perceptions and examination of the relationship between perception and performance. The aim of this paper was to: (1) develop a specific self-efficacy scale in a taekwondo task, the roundhouse kick, and (2) analyse the sport performance and its relationship with two self-efficacy scales (specific and general) outcomes according to the athletes' gender. Forty-three taekwondo athletes (33 male and 10 female) participated in this study. The Physical (PSE) and Specific (RKSES) self-efficacy scales were administered. Performance data (impact force and total response time) were acquired by athletes kicking twice to an instrumented target. Results showed that the specific self-efficacy scale has high reliability and is able to predict sport performance in males and females. Males had higher self-efficacy scores and also higher performance results than females. Females' taekwondo psychological training should be focus on improving their self-efficacy perception in order to increase their performance in the roundhouse kick. This specific self-efficacy scale for the taekwondo roundhouse kick offers empirical information to coaches, sport psychologists and researchers that allow them to predict athletes' sport performance in the roundhouse kick.Keywords: Martial arts; combat sports; kick; specific self-efficacy; general self-efficacy; biomechanics. Autoeficacia y rendimiento en la patada circular de taekwondo ResumenEl desarrollo de escalas de autoeficacia permite el análisis de las percepciones de los deportistas y el examen de la relación entre dichas percepciones y el rendimiento. El objetivo de este estudio fue (1) desarrollar una escala específica de autoeficacia para una tarea de taekwondo, la patada circular, y (2) analizar el rendimiento deportivo y su relación con los resultados de dos escalas de autoeficacia (específica y general) en función del género de los deportistas. En el estudio participaron 43 taekwondistas (33 hombres y 10 mujeres). Se administraron las escalas de autoeficacia Física (PSE) y Específica (RKSES). Los datos de rendimiento (fuerza de impacto y tiempo total de respuesta) se obtuvieron mediante el golpeo de los deportistas a un objetivo instrumentado. Los resultados mostraron que la escala de autoeficacia específica tiene una mayor fiabilidad y puede predecir el rendimiento deportivo en hombres y mujeres. Los hombres obtuvieron puntuaciones de autoeficacia y rendimientos más altos que las mujeres. El entrenamiento psicológico de las mujeres debería enfocarse en mejorar su percepción de autoeficacia con el objeto de aumentar su rendimiento en la patada circular. Esta escala específica de autoeficacia para el taekwondo facilita información empírica a entrenadores, psicólogos deportivos e investigadores, que les puede Autoeficácia e rendimento do chute circular do taekwondo ResumoO desenvolvimento de escalas de auto-eficácia permite a análise das perceções dos atletas e o exame da relação entre as ditas perceções e o ren...

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Section: Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

mentioning

confidence: 99%

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Self-efficacy and performance of the roundhouse kick in taekwondo

Estevan

Álvarez

Falcó

et al. 2014

Rev. artes marciales asiát.

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“…Taekwondo is also considered to be a powerful sport. For example, one of the most effective kicks in taekwondo, the roundhouse kick to the head, is developed between in approximately 250 ms (time from the instant that the striking foot leaves the floor until it reaches the objective and achieves the maximum impact force) [4][5][6]. This kick is characterized as a high velocity unloaded movement, in contrast to track and field throws where a relatively heavy external throwing implement is used.…”

Section: Introductionmentioning

confidence: 99%

The Importance of Lean Body Mass for the Rate of Force Development in Taekwondo Athletes and Track and Field Throwers

Kavvoura

Zaras

Stasinaki

et al. 2018

JFMK

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Abstract:The rate of force development (RFD) is vital for power athletes. Lean body mass (LBM) is considered to be an essential contributor to RFD, nevertheless high RFD may be achieved by athletes with either high or low LBM. The aim of the study was to describe the relationship between lower-body LBM and RFD, and to compare RFD in taekwondo athletes and track and field (T&F) throwers, the latter having higher LBM when compared to taekwondo athletes. Nine taekwondo athletes and nine T&F throwers were evaluated for countermovement jumping, isometric leg press and leg extension RFD, vastus lateralis (VL), and medial gastrocnemius muscle architecture and body composition. Lower body LBM was correlated with RFD 0-250 ms (r = 0.81, p = 0.016). Taekwondo athletes had lower LBM and jumping power per LBM. RFD was similar between groups at 30-50 ms, but higher for throwers at 80-250 ms. RFD adjusted for VL thickness was higher in taekwondo athletes at 30 ms, but higher in throwers at 200-250 ms. These results suggest that lower body LBM is correlated with RFD in power trained athletes. RFD adjusted for VL thickness might be more relevant to evaluate in power athletes with low LBM, while late RFD might be more relevant to evaluate in athletes with higher LBM.

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“…In combat sports, tournament results are determined by a number of interrelated factors: motoric characteristics, technique, tactics, psychological features of the athlete, and the refereeing method [4,5]. The force of a punch or a kick delivered to a punching bag is a crucial element of special fitness [2,13,14].…”

Section: Introductionmentioning

confidence: 99%

Comparison of two boxing training simulators

Buśko

Staniak

Łach

et al. 2014

Biomedical Human Kinetics

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SummaryStudy aim: the aim of the study was to compare two methods for measuring punching and kicking force and the reaction time of athletes. Material and methods: both systems were designed to measure and to analyse the mechanical characteristics of punches and strikes delivered by upper and lower limbs to a punching bag. The main difference between both punching bags was the way in which the delivered force was measured. The first method used strain gauges while the second method used accelerometer technology. Both systems consisted of a punching bag with software, attached signal diodes, and either embedded accelerometers or strain gauges. The bags were of different sizes. Acceleration transducers and gyroscopes or strain gauges were placed inside the punching bags, which allowed for measuring dynamics while the bag was struck. The software calculated strike force, the point of force application and its direction, and reaction time. Both systems were tested. Results: the results of the accelerometer-based method show that the mean relative error of force calculation amounts to 3%. The measurement error of acceleration is less than 1%. The mean relative measurement error of the striking surface on the punching bag is 2%. However, the measurement error of force recorded with the strain gauge-based method is less than 1%. The results show that both systems are similar. Conclusions: the punching bag having an embedded accelerometer is equipped with more versatile software, which makes the system a good tool for practical application in combat sport training.

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Influence of the distance in a roundhouse kick's execution time and impact force in Taekwondo

Cited by 126 publications

References 2 publications

Self-efficacy and performance of the roundhouse kick in taekwondo

Self-efficacy and performance of the roundhouse kick in taekwondo

The Importance of Lean Body Mass for the Rate of Force Development in Taekwondo Athletes and Track and Field Throwers

Comparison of two boxing training simulators

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