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https://www.readbyqxmd.com/read/29444538/-effects-of-judo-specific-resistance-training-on-kinetic-and-electromyographic-parameters-of-pulling-exercises-in-judo-athletes
#1
Norman Helm, Olaf Prieske, Thomas Muehlbauer, Tom Krüger, Urs Granacher
BACKGROUND: In judo, rapid force production during pulling movements is an important component of athletic performance, which is why this capacity needs to be specifically exercised in judo. This study aimed at examining the effects of a judo-specific resistance training program using a judo ergometer system (PTJ) versus a traditional resistance training regime using a partner (PTP) on kinetics and muscle activity of judo-specific pulling exercises. METHOD: Twenty-four male judo athletes (age: 22 ± 4 years, training experience: 15 ± 3 years) were randomly assigned to two groups...
February 14, 2018: Sportverletzung Sportschaden: Organ der Gesellschaft Für Orthopädisch-Traumatologische Sportmedizin
https://www.readbyqxmd.com/read/29441036/does-blue-uniform-color-enhance-winning-probability-in-judo-contests
#2
Peter D Dijkstra, Paul T Y Preenen, Hans van Essen
The color of an athlete's uniform may have an effect on psychological functioning and consequently bias the chances of winning contests in sport competition. Several studies reported a winning bias for judo athletes wearing a blue outfit relative to those wearing a white outfit. However, we argue there is no winning bias and that previous studies were confounded and based on small and specific data sets. We tested whether blue biases winning in judo using a very extensive judo data set (45,874 contests from all international judo tournaments between 2008 and 2014)...
2018: Frontiers in Psychology
https://www.readbyqxmd.com/read/29387639/prevalence-techniques-and-knowledge-of-rapid-weight-loss-amongst-adult-british-judo-athletes-a-questionnaire-based-study
#3
Nikos Malliaropoulos, Shaan Rachid, Vasileios Korakakis, Stephen Andrew Fraser, Georgios Bikos, Nicola Maffulli, Manuela Angioi
Background: No investigation has analysed the RWL approaches since new rules by the International Judo Federation (IJF) regarding weigh-ins have been implemented in international competitions in 2014. The current study analyses the prevalence, most common methods and knowledge surrounding the effects of rapid weight loss (RWL) amongst adult UK judo athletes. Additionally, it examines differences in rapid weight loss behaviour (RWLB) between gender, weight-class, competitive level, age RWL began and "high"/"low" knowledge athletes...
July 2017: Muscles, Ligaments and Tendons Journal
https://www.readbyqxmd.com/read/29359376/penile-injury-incurred-during-judo
#4
Kentaro Iwata, Yusuke Hagiwara, Zenichi Matsui
No abstract text is available yet for this article.
November 2017: Pediatrics International: Official Journal of the Japan Pediatric Society
https://www.readbyqxmd.com/read/29351167/can-caffeine-intake-improve-neuromuscular-and-technical-tactical-performance-during-judo-matches
#5
Marina Saldanha da Silva Athayde, Rafael Lima Kons, Daniele Detanico
This study aimed to verify the effect of caffeine intake on blood lactate concentrations and neuromuscular and technical-tactical performance during simulated judo matches. Fourteen male judo athletes received capsules containing caffeine or placebo and were evaluated in both conditions. Before the baseline and 1 hour after the caffeine/placebo intake, athletes performed the countermovement jump test (CMJ), handgrip strength, judogi grip strength test (JGST), and blood samples were collected. Subsequently, the athletes were submitted to three 5 minute matches with 15 minute intervals...
January 17, 2018: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29340002/performance-changes-of-elite-paralympic-judo-athletes-during-a-paralympic-games-cycle-a-case-study-with-the-brazilian-national-team
#6
Irineu Loturco, Lucas A Pereira, Ciro Winckler, Jaime R Bragança, Roger A da Fonseca, Ronaldo Kobal, Cesar C Cal Abad, Katia Kitamura, Fabio Y Nakamura, Emerson Franchini
The aim of this study was to describe the variations in power performance of elite Paralympic judo athletes across three consecutive training cycles of preparation for the ParaPan American Games, the World Championship and the Paralympic Games. Eleven Paralympic judokas from the Brazilian National team participated in this study. They were repeatedly assessed using squat and countermovement jumps, mean propulsive power (MPP) in the jump-squat (JS), the bench press and prone bench pull at several moments of the preparation...
December 2017: Journal of Human Kinetics
https://www.readbyqxmd.com/read/29324576/intermittent-cooling-during-judo-training-in-a-warm-humid-environment-reduces-autonomic-and-hormonal-impact
#7
Eduardo Carballeira, José Morales, David H Fukuda, María L Granada, Vicente Carratalá-Deval, Alfonso López Díaz de Durana, Jeffrey R Stout
The purpose of this study was to identify the effects of superficial cooling on physiological responses while training in a warm, humid environment during an international judo training camp. Sixteen judokas (8 women and 8 men) participated in the experiment. Four high-level women and four men were randomly assigned to wear a cooling vest (vest group, VG) during the recovery periods within a training session (i.e. 8 bouts of 5 min fighting with 5 min rest) and up to 10 min after the session, while the remaining athletes in the control group (CG) trained without the use of any cooling aids...
January 5, 2018: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29283792/weight-loss-strategies-in-combat-sports-and-concerning-habits-in-mixed-martial-arts
#8
Oliver R Barley, Dale W Chapman, Chris R Abbiss
PURPOSE: Combat sports are typically divided into weight classes and body mass manipulation to reach a weight class is commonplace. Previous research suggests that mixed martial arts (MMA) weight loss practices may be more extreme than other combat sports. We sought to investigate the magnitude of weight lost and prevalence of weight loss strategies in different combat sports. METHODS: Competitors (n=637) from Brazilian jiu jitsu (BJJ), boxing, judo, MMA, muay Thai/kickboxing (MT/K), taekwondo (TKD) and wrestling completed an online questionnaire seeking information regarding their weight loss practices...
December 28, 2017: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/29239994/effects-of-judo-training-on-bones-a-systematic-literature-review
#9
Simone Ciaccioni, Giancarlo Condello, Flavia Guidotti, Laura Capranica
The aim of this study was to provide a systematic literature review on the osteogenic effects of judo (PROSPERO: CRD42016041803). The online search was conducted according to the inclusion criteria: observational studies and clinical/interventional trials in English from inception to June 2016; bone health, mineral density (BMD), diameters, impact force and turnover markers (BTM) outcomes. Thirty-four studies were included and graded for their methodological quality ("fair" quality: 79.4%). The most used assessment method (44...
December 11, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29111630/anthropometric-profile-of-combat-athletes-via-multivariate-analysis
#10
Anna Burdukiewicz, Jadwiga Pietraszewska, Aleksandra Stachoń, Justyna Andrzejewska
BACKGROUND: Athletic success is a complex phenotype influenced by multiple factors, from sport-specific skills to anthropometric characteristics. Considering the latter, the literature has repeatedly indicated that athletes possess distinct physical characteristics depending on the practiced discipline. The aim of the present study was to apply univariate and multivariate methods to assess a wide range of morphometric and somatotypic characteristics in male combat athletes. METHODS: Biometric data were obtained from 206 male university-level practitioners of judo, jiu-jitsu, karate, kickboxing, taekwondo, and wrestling...
November 7, 2017: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/29071115/acceptability-and-perceptions-of-end-users-towards-an-online-sports-health-surveillance-system
#11
Saulo Delfino Barboza, Caroline Silveira Bolling, Joske Nauta, Willem van Mechelen, Evert Verhagen
AIM: To describe the acceptability and the perceptions of athletes and staff members (ie, end-users) towards an online sports-health surveillance system. METHODS: A pilot study with a mixed-methods approach was pursued. Descriptive analysis was conducted to present the adherence of judo (n=34), swimming (n=21) and volleyball (n=14) athletes to an online registration of their sport exposure and any health complaints between April 2014 and January 2015. End-users' perceptions towards the system were investigated qualitatively with semistructured interviews (n=21)...
2017: BMJ Open Sport & Exercise Medicine
https://www.readbyqxmd.com/read/29030389/high-precompetition-injury-rate-dominates-the-injury-profile-at-the-rio-2016-summer-paralympic-games-a-prospective-cohort-study-of-51%C3%A2-198-athlete-days
#12
Wayne Derman, Phoebe Runciman, Martin Schwellnus, Esme Jordaan, Cheri Blauwet, Nick Webborn, Jan Lexell, Peter van de Vliet, Yetsa Tuakli-Wosornu, James Kissick, Jaap Stomphorst
OBJECTIVES: To describe the incidence of injury in the precompetition and competition periods of the Rio 2016 Summer Paralympic Games. METHODS: A total of 3657 athletes from 78 countries, representing 83.4% of all athletes at the Games, were monitored on the web-based injury and illness surveillance system over 51 198 athlete days during the Rio 2016 Summer Paralympic Games. Injury data were obtained daily from teams with their own medical support. RESULTS: A total of 510 injuries were reported during the 14-day Games period, with an injury incidence rate (IR) of 10...
January 2018: British Journal of Sports Medicine
https://www.readbyqxmd.com/read/29023276/epidemiology-of-competition-injuries-in-elite-european-judo-athletes-a-prospective-cohort-study
#13
Dušana Čierna, Miloš Štefanovský, Lenka Matejová, Reidar P Lystad
OBJECTIVE: To determine the injury incidence rate (IIR) and injury pattern, and to identify risk factors for injury, among elite adult European judo athletes. DESIGN: Prospective cohort study. SETTING: The 2015 Under 23 European Judo Championships, Bratislava, Slovakia. PARTICIPANTS: All registered athletes (N = 295). INDEPENDENT VARIABLES: Sex, weight division, and fight outcome. MAIN OUTCOME MEASURES: Injury incidence rates were calculated per 1000 athlete-exposures (IIRAE) and per 1000 minutes of exposure (IIRME) with 95% confidence intervals (CI)...
October 11, 2017: Clinical Journal of Sport Medicine: Official Journal of the Canadian Academy of Sport Medicine
https://www.readbyqxmd.com/read/28954799/a-systematic-review-of-prospective-epidemiological-research-into-injury-and-illness-in-olympic-combat-sport
#14
REVIEW
Sally J Bromley, Michael K Drew, Scott Talpey, Andrew S McIntosh, Caroline F Finch
BACKGROUND: Combat sports involve body contact through striking, kicking and/or throwing. They are anecdotally referred to as 'dangerous', yet long-term investigation into specific injury rates is yet to be explored. OBJECTIVE: To describe incidence and prevalence of injury and illness within Olympic combat sports and to investigate risk of bias of prospective injury and illness research within these sports. METHODS: We systematically searched literature published up until May 2016...
January 2018: British Journal of Sports Medicine
https://www.readbyqxmd.com/read/28944643/injury-rates-in-martial-art-athletes-anthropometric-parameters-and-training-volume-but-not-foot-morphology-indexes-are-predictive-risk-factors-for-lower-limb-injuries
#15
Jacopo A Vitale, Tito Bassani, Fabio Galbusera, Alberto Bianchi, Nicolò Martinelli
BACKGROUND: Previous studies attempted to identify possible risk factors for acute and overuse injuries in several sports disciplines such as running, gymnastics or team sports. Given the lack of scientific works focused on risk factors for lower limb injuries in martial arts, the present study was aimed to investigate foot anatomy, anthropometric measures, and other background information as possible risk factors of injury in barefoot athletes practicing judo, karate, kung fu, thai boxe, or aikido...
September 22, 2017: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/28872383/weight-management-practices-of-australian-olympic-combat-sport-athletes
#16
Reid Reale, Gary Slater, Louise M Burke
PURPOSE: Combat sport athletes undertake chronic and rapid weight loss (RWL) practices to qualify for weight divisions lower than their training weight. Variation between sports in the prevalence, methods, and magnitude of weight loss as well as recovery practices may be influenced by factors including competition level and culture. Differences in methodologies of previous research in combat sports make direct comparisons difficult, thus this study aimed to examine weight loss practices among all Olympic combat sports in Australia, using standardised methodology...
September 5, 2017: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/28818954/on-the-way-to-the-tokyo-summer-olympic-games-2020-prevention-of-severe-head-and-neck-injuries-in-judo-it-s-time-for-action
#17
EDITORIAL
Takeshi Kamitani, Nikolaos G Malliaropoulos, Masaki Omiya, Yohei Otaka, Kosei Inoue, Natsuko Onidani
No abstract text is available yet for this article.
November 2017: British Journal of Sports Medicine
https://www.readbyqxmd.com/read/28724040/cardiac-remodeling-indicators-in-adolescent-athletes
#18
COMPARATIVE STUDY
Joaquim Castanheira, João Valente-Dos-Santos, Daniela Costa, Diogo Martinho, Jorge Fernandes, João Duarte, Nuno Sousa, Vasco Vaz, Luis Rama, António Figueiredo, Manuel Coelho-E-Silva
Objective: The idea that different sports and physical training type results in different cardiac adaptations has been widely accepted. However, this remodelling process among different sport modalities is still not fully understood. Thus, the current study aims to investigate the heart morphology variation associated with a set of different modalities characterized by distinct models of preparation and different methods and demands of training and completion. Method: The sample comprises 42 basketball players, 73 roller hockey players, 28 judo athletes and 21 swimmers...
May 2017: Revista da Associação Médica Brasileira
https://www.readbyqxmd.com/read/28714773/impact-of-martial-arts-judo-karate-and-kung-fu-on-bone-mineral-density-gains-in-adolescents-of-both-genders-9-month-follow-up
#19
Igor H Ito, Han C G Kemper, Ricardo R Agostinete, Kyle R Lynch, Diego G D Christofaro, Enio R Ronque, Rômulo A Fernandes
PURPOSE: To compare bone mineral density (BMD) gains in adolescents of both genders stratified according to different martial art styles in a 9-month follow-up study. METHODS: The longitudinal study consisted of 29 adolescents of both genders and age between 11 and 17 years stratified into a control group (not engaged in any sport) and 50 fighters (kung fu/karate, n = 29; judo, n = 21). All 79 subjects underwent anthropometric measures (weight, height, leg length, and height set) and dual-energy X-ray absorptiometry (BMD, in g/cm(2)) at 2 moments, baseline and 9 months later...
September 22, 2017: Pediatric Exercise Science
https://www.readbyqxmd.com/read/28713473/home-advantage-in-judo-analysis-by-the-combat-phase-penalties-and-the-type-of-attack
#20
Ciro José Brito, Bianca Miarka, Alfonso López Díaz de Durana, David H Fukuda
Previous studies indicate positive home advantage in judo; however, the factors that influence home advantage have yet to be fully explored. This study investigated the potential differences in technical-tactical variables between home and visiting athletes. A total of 1411 video recorded matches were analyzed (123 home, 1288 away) from 36 international judo competitions contested in 2011-12. The matches were analyzed by the following criteria: combat phases (approach, gripping, attack, defense, groundwork and pause), penalties (by the athlete or the opponent) and the types of attacks (with or without a score)...
June 2017: Journal of Human Kinetics
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