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https://www.readbyqxmd.com/read/29619792/degree-of-vision-impairment-influence-the-fight-outcomes-in-the-paralympic-judo-a-10-year-retrospective-analysis
#1
Evgeny Mashkovskiy, Ayshat Magomedova, Evgeny Achkasov
INTRODUCTION: In the International Blind Sports Federation (IBSA) judo Sports Classes B1, B2, and B3 compete against each other within weight- and gender-specific categories. B1 athletes are totally blind, whereas B2 and B3 are partially sighted. PURPOSE: The aim of this study is to examine the impact of the degree of vision impairment on fight outcomes. METHODS: We analysed 1,936 fights from official competitions and compare win ratio in fights between discordant Sports Classes...
April 4, 2018: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/29563884/symptoms-of-anxiety-and-depression-in-young-athletes-using-the-hospital-anxiety-and-depression-scale
#2
Stephanie Weber, Christian Puta, Melanie Lesinski, Brunhild Gabriel, Thomas Steidten, Karl-Jürgen Bär, Marco Herbsleb, Urs Granacher, Holger H W Gabriel
Elite young athletes have to cope with multiple psychological demands such as training volume, mental and physical fatigue, spatial separation of family and friends or time management problems may lead to reduced mental and physical recovery. While normative data regarding symptoms of anxiety and depression for the general population is available (Hinz and Brähler, 2011), hardly any information exists for adolescents in general and young athletes in particular. Therefore, the aim of this study was to assess overall symptoms of anxiety and depression in young athletes as well as possible sex differences...
2018: Frontiers in Physiology
https://www.readbyqxmd.com/read/29551273/rating-of-perceived-exertion-is-a-stable-and-appropriate-measure-of-workload-in-judo
#3
Sally J Bromley, Michael K Drew, Andrew McIntosh, Scott Talpey
OBJECTIVES: Heart rate (HR), blood lactate concentration [La] and/or rating of perceived exertion (RPE) have been utilised to monitor judo training load in technical and randori (competition training) sessions, but are yet to be investigated in mixed sessions containing both elements. Therefore the purpose of this study was to: (1) determine the stability of these variables, and (2) to assess the efficacy of RPE as a load variable for mixed judo sessions. DESIGN: Cross-sectional study...
March 15, 2018: Journal of Science and Medicine in Sport
https://www.readbyqxmd.com/read/29526262/a-comparison-of-penetration-and-damage-caused-by-different-types-of-arrowheads-on-loose-and-tight-fit-clothing
#4
Nichole MacPhee, Anne Savage, Nikolas Noton, Eilidh Beattie, Louise Milne, Joanna Fraser
Bows and arrows are used more for recreation, sport and hunting in the Western world and tend not to be as popular a weapon as firearms or knives. Yet there are still injuries and fatalities caused by these low-velocity weapons due to their availability to the public and that a licence is not required to own them. This study aimed to highlight the penetration capabilities of aluminium arrows into soft tissue and bones in the presence of clothing. Further from that, how the type and fit of clothing as well as arrowhead type contribute to penetration capacity...
March 2018: Science & Justice: Journal of the Forensic Science Society
https://www.readbyqxmd.com/read/29511658/effect-of-official-judo-matches-on-handgrip-strength-and-perceptual-responses
#5
Rafael Lima Kons, Juliano Dal Pupo, Jonathan Ache-Dias, Thyago Garcia, Romário Rodrigues da Silva, Luiz Felipe Guarise Katicips, Daniele Detanico
This study aimed to verify the effect of judo matches on handgrip strength and perceptual responses during an official tournament in medalists and nonmedalists. Thirty-four male judo athletes participated in an official judo tournament. Before the first match and immediately after each match, maximum isometric handgrip strength and rate of perceived exertion overall and in specific areas were assessed. Analysis of variance for repeated measures was used to compare variables before the first match and after each match, and t -test was used to compare medalists and nonmedalists with the level of significance set at 5%...
February 2018: Journal of Exercise Rehabilitation
https://www.readbyqxmd.com/read/29491232/molecular-epidemiology-of-trichophyton-tonsurans-the-causative-dermatophyte-of-the-epidemic-of-tinea-gladiatorum-in-japan-between-2011-and-2015
#6
Yuichi Sakata, Tsuyoshi Ushigami, Kazushi Anzawa, Takashi Mochizuki
Trichophyton tonsurans, a major pathogen of tinea capitis and tinea corporis, has been isolated from players of contact sports in Japan. To understand the contemporary epidemic in Japan, the molecular types of 208 strains isolated between 2011 and 2015 were determined. Of these, 142 were isolated from practitioners of judo, 28 from wrestlers, seven from sumo wrestlers, and 31 from individuals with unknown backgrounds. Based on length polymorphisms of the non-transcribed spacer (NTS) region of the ribosomal RNA gene, these 208 strains could be divided into three subtypes, NTS I(204; 98...
February 28, 2018: Japanese Journal of Infectious Diseases
https://www.readbyqxmd.com/read/29472740/physiological-and-performance-changes-in-national-and-international-judo-athletes-during-block-periodization-training
#7
Lucas Marques, Emerson Franchini, Gustavo Drago, Marcelo S Aoki, Alexandre Moreira
Block periodization (BP) has been proposed as an alternative approach for application in the context of high-level sports. Despite its growing acceptance, there is no empirical evidence of BP adoption in high-level judo athletes. Therefore, this study aimed to compare the maximal strength, muscle power, judo-specific performances, and hormonal concentration changes of state/national level (NG) and international level (IG) judo athletes subjected to BP. Twenty-one elite judo athletes (international level = 10; 21...
December 2017: Biology of Sport
https://www.readbyqxmd.com/read/29444538/-effects-of-judo-specific-resistance-training-on-kinetic-and-electromyographic-parameters-of-pulling-exercises-in-judo-athletes
#8
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
#9
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
#10
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
#11
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
#12
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
#13
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
#14
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
#15
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
#16
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
#17
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
#18
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-51-198-athlete-days
#19
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
#20
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
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