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Use of a modified Yo-Yo intermittent endurance level 2 test for evaluation of field soccer referees
BackgroundSince 1989, FIFA has used a battery of physical tests to evaluate the fitness levels of soccer referees. However, to date, there is no...
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Test–Retest Reliability of the Yo-Yo Test: A Systematic Review
BackgroundThe Yo-Yo test is widely used both in the practical and research contexts; however, its true test–retest reliability remains unclear.
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Acute effects of beetroot juice and caffeine co-ingestion during a team-sport-specific intermittent exercise test in semi-professional soccer players: a randomized, double-blind, placebo-controlled study
BackgroundBeetroot juice (BJ) and caffeine (CAF) are considered as ergogenic aids among athletes to enhance performance, however, the ergogenic...
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Effects of Passive or Active Recovery Regimes Applied During Long-Term Interval Training on Physical Fitness in Healthy Trained and Untrained Individuals: A Systematic Review
BackgroundIntermittent exercise programs characterized through intensive exercise bouts alternated with passive or active recovery (i.e., interval...
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The Effects of Ramadan Intermittent Fasting on Football Players and Implications for Domestic Football Leagues Over the Next Decade: A Systematic Review
BackgroundThe month of Ramadan will intersect with many football leagues’ schedules over the next decade. Understanding the effects of Ramadan...
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Effect of interval and continuous small-sided games training on the bio-motor abilities of young soccer players: a comparative study
ObjectiveThe present study compared the effects of two different small-sided game (SSG) training methods, interval (ISSG) and continuous (CSSG) on...
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Effects of Aerobic and Speed Training Versus Active Control on Repeated Sprint Ability and Measures of Self-confidence and Anxiety in Highly Trained Male Soccer Players
BackgroundWhile there is ample evidence on the effects of single-mode aerobic and speed training on physical fitness in soccer players, less is known...
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Effects of traditional vs. complex strength training added to regular football training on physical capacities in U19 football players: a team study
PurposeWe compared short-term physical performance adaptations to traditional strength training (TST) or complex strength training (CST) in a youth...
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Assessment of long-term quality of life, bowel and voiding function outcomes in patients with anorectal malformation at a single UK centre
AimsAssess long-term quality of life (QoL), bowel and voiding function in anorectal malformation (ARM) paediatric patients.
MethodRetrospective...
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The Physiological Effects of Weight-Cycling: A Review of Current Evidence
Purpose of ReviewThere is a common perception among the public that yo-yo dieting, defined as repeated cycles of weight loss followed by weight...
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The relationships between ACTN3 rs1815739 and PPARA-α rs4253778 gene polymorphisms and athletic performance characteristics in professional soccer players
BackgroundCurrent research on athletic performance focuses on genetic variants that contribute significantly to individuals’ performance. ACTN3 ...
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The Effects of Repeated-Sprint Training on Physical Fitness and Physiological Adaptation in Athletes: A Systematic Review and Meta-Analysis
BackgroundRepeated-sprint training (RST) is a common training method for enhancing physical fitness in athletes. To advance RST prescription, it is...
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Effects of sodium bicarbonate supplementation on exercise performance: an umbrella review
BackgroundWe aimed to perform an umbrella review of meta-analyses examining the effects of sodium bicarbonate supplementation on exercise performance.
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Submaximal Fitness Test in Team Sports: A Systematic Review and Meta-Analysis of Exercise Heart Rate Measurement Properties
BackgroundSubmaximal fitness tests (SMFT) are a pragmatic approach for evaluating athlete’s physiological state, due to their time-efficient nature,...
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Effects of 30 days of ketogenic diet on body composition, muscle strength, muscle area, metabolism, and performance in semi-professional soccer players
BackgroundA ketogenic diet (KD) is a nutritional approach, usually adopted for weight loss, that restricts daily carbohydrates under 30 g/day. KD...
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The variability of physical enjoyment, physiological responses, and technical-tactical performance according to the bout duration of small-sided games: a comparative study between female and male soccer players
BackgroundThis study aimed to compare various factors, namely perceived enjoyment (PE), percentage of peak heart rate (%HRpeak), blood lactate (La),...
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Is lin28a polymorphism associated with endurance performance in soccer players?
PurposeThe aim of this study was to investigate the association of rs6598964 (A > G), a molecular marker located in the LIN28A gene, with the...
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Anthropometric and performance profile of elite Gaelic football players comparing position and role
There is currently no information available on the variation in anthropometric and performance characteristics of starters and non-starters in elite...
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Sequencing Effects of Concurrent Strength and Endurance Training on Selected Measures of Physical Fitness in Young Male Soccer Players: A Randomized Matched-Pairs Trial
BackgroundVarious physical fitness qualities such as muscle strength, speed and endurance are related to soccer performance. Accordingly, the...
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Anthropometric, physiological characteristics and rugby-specific game skills of schoolboy players of different age categories and playing standards
BackgroundRugby is increasingly gaining popularity among school-aged male junior players in countries hardly known for dominating international...
