Jožef Šimenko
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View article: Hydration and Fluid Intake in Basketball Players During Training: Comparison of Different Age Categories
Hydration and Fluid Intake in Basketball Players During Training: Comparison of Different Age Categories Open
There are many studies on basketball players’ hydration in the literature. However, no studies have compared the hydration status of basketball players in different age categories. Therefore, this study aims to compare the hydration status…
View article: Understanding Sleep Health in Judo Referees: The Influence of Demographic and Athletic Factors
Understanding Sleep Health in Judo Referees: The Influence of Demographic and Athletic Factors Open
Sleep is critical for cognitive and psychomotor performance in demanding decision-making contexts such as sports officiating. Given the lack of research in the field, the cognitive complexity, and the high-pressure environment of judo refe…
View article: Posture Status Differences Between Preschool Boys and Girls
Posture Status Differences Between Preschool Boys and Girls Open
Background/Objectives: The preschool period plays an essential role in shaping a child’s overall development, which influences physical, emotional, social, and cognitive growth. At this stage, establishing proper postural habits is essenti…
View article: Events and event records (scoring and penalties) across temporal units in elite judo contests: implications for tactical preparation
Events and event records (scoring and penalties) across temporal units in elite judo contests: implications for tactical preparation Open
Introduction: This study examines the distribution of events and event records (EVRs) in elite judo competitions, encompassing both male and female categories. Sample: By analyzing data from the 2018, 2019, and 2021 World Championships, th…
View article: Rapid Assessment of Morphological Asymmetries Using 3D Body Scanner and Bioelectrical Impedance Technologies in Sports: A Case of Comparative Analysis Among Age Groups in Judo
Rapid Assessment of Morphological Asymmetries Using 3D Body Scanner and Bioelectrical Impedance Technologies in Sports: A Case of Comparative Analysis Among Age Groups in Judo Open
(1) Background: The advancement of technologies has made morphological assessment rapid and reliable. A combination of 3D body scanning (3D-BS) and bioelectrical impedance (BIA) could be essential in monitoring the morphological status of …
View article: The Development of the Special Brazilian Jiu-Jitsu Fitness Test: Takedown Zone (SBJJFT-TZ), Gi Formula
The Development of the Special Brazilian Jiu-Jitsu Fitness Test: Takedown Zone (SBJJFT-TZ), Gi Formula Open
Background: There is a consensus among combat sports researchers regarding the important role of evaluating the comprehensive special fitness and performance of athletes. This is due to the specific structure of tasks performed in these sp…
View article: Effects of Structured Physical Activity on Motor Fitness in Preschool Children
Effects of Structured Physical Activity on Motor Fitness in Preschool Children Open
The aim was to investigate the impact of a specific structured movement activities (SMA) program compared to free play activity (FRP) on the strength, speed, agility, coordination, and balance of motor fitness (MF) in 6-year-old boys and g…
View article: Injury Risk Analysis among Judo Athletes with Intellectual Disabilities
Injury Risk Analysis among Judo Athletes with Intellectual Disabilities Open
The main aim of this study was to evaluate injury prevalence, incidence rate, and burden in judo athletes with intellectual disabilities (ID) who participate in international competitions. This retrospective cross-sectional study analyzed …
View article: Exploring the Relationship between Anaerobic and Morphological Characteristics and Competition Success in Young Male Slovenian Judo Athletes
Exploring the Relationship between Anaerobic and Morphological Characteristics and Competition Success in Young Male Slovenian Judo Athletes Open
Judo elements rely on lower and upper body muscle power, supported by the ATP-PCr energy system, which is crucial in high-intensity tasks. This study aims to assess the anaerobic status of young male competitive judokas using the upper bod…
View article: Effects of a 6-Week Agility Training Program on Emotional Intelligence and Attention Levels in Adolescent Tennis Players
Effects of a 6-Week Agility Training Program on Emotional Intelligence and Attention Levels in Adolescent Tennis Players Open
Tennis can be a mentally challenging sport, and emotional intelligence (EI) contributes significantly to an athlete’s psychological well-being. Thus, this study investigated the effects of 6 weeks of a combined Change of Direction (CoD) an…
View article: Acute Effects of Short-Term Massage Procedures on Neuromechanical Contractile Properties of Rectus Femoris Muscle
Acute Effects of Short-Term Massage Procedures on Neuromechanical Contractile Properties of Rectus Femoris Muscle Open
Background and Objectives: In many sports, maintaining muscle work at an optimal level despite fatigue is crucial. Therefore, it is essential to discover the most efficient way of recovery. This study aimed to evaluate and compare the acut…
View article: The effect of time of day on Special Judo Fitness Test in active judokas: Evaluation in terms of chronotype
The effect of time of day on Special Judo Fitness Test in active judokas: Evaluation in terms of chronotype Open
© 2023 The Author(s). Published with license by Taylor & Francis Group, LLC. This is an open access article distributed under the terms of the Creative Commons Attribution License (CC BY), https://creativecommons.org/licenses/by/4.0/
View article: Report on the 7th European Judo Science & Research Symposium & 6th Scientific and Professional Conference - Applicable research in judo
Report on the 7th European Judo Science & Research Symposium & 6th Scientific and Professional Conference - Applicable research in judo Open
This report describes the 7th European Judo Science & Research Symposium & 6th Scientific and Professional Conference - "Applicable research in judo" held in Poreč, Croatia on June 19-20, 2023. The two-day conference included three keynote…
View article: An investigation into the associations between psychological skills, anaerobic fitness, and aerobic fitness in elite Iranian taekwondo athletes
An investigation into the associations between psychological skills, anaerobic fitness, and aerobic fitness in elite Iranian taekwondo athletes Open
This study investigated the relationship between psychological skills and fitness levels among elite taekwondo athletes. A total of ten Iranian male elite taekwondo athletes (mean age of 20.6±2 years, BMI 18.78±0.62 kg/m 2 , and fat percen…
View article: Correction: Mackala et al. Evaluation of the Pre-Planned and Non-Planed Agility Performance: Comparison between Individual and Team Sports. Int. J. Environ. Res. Public Health 2020, 17, 975
Correction: Mackala et al. Evaluation of the Pre-Planned and Non-Planed Agility Performance: Comparison between Individual and Team Sports. Int. J. Environ. Res. Public Health 2020, 17, 975 Open
Jožef Šimenko was not included as an author in the original publication [...]
View article: The Effects of Massage Therapy on Sport and Exercise Performance: A Systematic Review
The Effects of Massage Therapy on Sport and Exercise Performance: A Systematic Review Open
Background: A massage is a tool that is frequently used in sports and exercise in general for recovery and increased performance. In this review paper, we aimed to search and systemize current literature findings relating to massages’ effe…
View article: When and How a Judo Contest Ends: Analysis of Scores, Penalties, Rounds and Temporal Units in 2018, 2019 and 2021 World Championships
When and How a Judo Contest Ends: Analysis of Scores, Penalties, Rounds and Temporal Units in 2018, 2019 and 2021 World Championships Open
The main aim of this study was to analyse the relationship between how contests end (scores or penalties), the temporal units and the competition rounds regarding when the contest end in the 2018, 2019 and 2021 Judo World Championships. A …
View article: Which Performance Tests Best Define the Special Judo Fitness Test Classification in Elite Judo Athletes?
Which Performance Tests Best Define the Special Judo Fitness Test Classification in Elite Judo Athletes? Open
The normative values of the Special Judo Fitness Test (SJFT) are used to evaluate judo athletes, and the question arises of which performance tests from crucial motor abilities best define the SJFT classification in elite judo athletes. Th…
View article: Youth Judokas Competing in Higher Age Groups Leads to a Short-Term Success
Youth Judokas Competing in Higher Age Groups Leads to a Short-Term Success Open
Coaches of youth judo athletes might be under the influence of some extraordinary elite judo athletes that have won elite competitions at a relatively young age and might put youth athletes under pressure to gain as much fighting experienc…
View article: Comparison of Individual Penalties According to Gender and Weight Categories of Elite Judo Athletes from Four World Championships
Comparison of Individual Penalties According to Gender and Weight Categories of Elite Judo Athletes from Four World Championships Open
Background: This research aimed to compare individual penalties by gender and weight categories in judo from the Judo World Championships (WC): Budapest—2017, Baku—2018, Tokyo—2019 and Budapest—2021 in all individual weight categories for …
View article: Acute Dehydration Impairs Performance and Physiological Responses in Highly Trained Judo Athletes
Acute Dehydration Impairs Performance and Physiological Responses in Highly Trained Judo Athletes Open
Background: The present study investigated highly trained male judo athletes and how a 5% body mass dehydration affects their judo-specific performance and physiological responses. Methods: Nine highly trained international-level male judo…
View article: Diagnostics of tissue involved injury occurrence of top-level judokas during the competition: suggestion for prevention
Diagnostics of tissue involved injury occurrence of top-level judokas during the competition: suggestion for prevention Open
Background Judo, as a high-intensity contact sport, may lead to the occurrence of injuries, especially in competitions. This work aims to assess the likelihood of soft and hard tissue injuries in top-level judokas during competition with d…
View article: Effect of Rapid Weight Loss on Hydration Status and Performance in Elite Judo Athletes
Effect of Rapid Weight Loss on Hydration Status and Performance in Elite Judo Athletes Open
Background: This study aimed to investigate the effect of 5% rapid weight loss on hydration status and judo performance in highly trained judo athletes. Methods: Eighteen male judo athletes participated in the study and were divided into t…
View article: Monitoring of Eccentric Hamstring Strength and Eccentric Derived Strength Ratios in Judokas from a Single Weight Category
Monitoring of Eccentric Hamstring Strength and Eccentric Derived Strength Ratios in Judokas from a Single Weight Category Open
Background: This study was designed to perform isokinetic knee testing of male judokas competing in the under 73 kg category. The main aims were: to establish the concentric (CON) and eccentric (ECC) strength profile of hamstrings (H) and …
View article: Morphological Asymmetries Profile and the Difference between Low- and High-Performing Road Cyclists Using 3D Scanning
Morphological Asymmetries Profile and the Difference between Low- and High-Performing Road Cyclists Using 3D Scanning Open
The aims of this study are: (1) to identify morphological asymmetries in road cycling by using a novel 3D scanning method and electrical bioimpedance, (2) to investigate possible asymmetries in road cyclists of low (LPG) and high (HPG) per…
View article: Predictive Validity of the Single Leg Hamstring Bridge Test in Military Settings
Predictive Validity of the Single Leg Hamstring Bridge Test in Military Settings Open
The hamstrings are biarticular muscle group that plays an important role in the occupational performance of military personnel. The single leg hamstring bridge test (SLHBT) could be a good test to screen military personnel performance. The…
View article: Comparison of Body Composition Monitor and InBody 720 Bioimpedance Devices for Body Composition Estimation in Hemodialysis Patients and Healthy Controls
Comparison of Body Composition Monitor and InBody 720 Bioimpedance Devices for Body Composition Estimation in Hemodialysis Patients and Healthy Controls Open
Bioelectric impedance devices have become a standard of care not only for peritoneal dialysis but also for hemodialysis patients. We compared the most important body composition variables (extracellular water, intracellular water, total bo…
View article: The Effect of Height on Drop Jumps in Relation to Somatic Parameters and Landing Kinetics
The Effect of Height on Drop Jumps in Relation to Somatic Parameters and Landing Kinetics Open
The aim of this study was to assess the effect of drop height and selected somatic parameters on the landing kinetics of rebound jumps in force and power production, performed by male and female student athletes. Twenty female and forty ma…
View article: Evaluation of the Pre-Planned and Non-Planed Agility Performance: Comparison between Individual and Team Sports
Evaluation of the Pre-Planned and Non-Planed Agility Performance: Comparison between Individual and Team Sports Open
This study assessed differences in agility performance between athletes of team and individual sports by assessing change-of-direction speed (CODS) as pre-planned agility and reactive agility (RA) as non-planed in different spatial configu…