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Sports, Volume 6, Issue 1

2018 March - 24 articles

Cover Story: Researchers at Auburn University examined the effects of a 12-week ketogenic diet on body composition and performance metrics in novice CrossFit trainees. Aerobic fitness and strength were not affected and fat mass decreased, although metrics of leg muscle mass decreased and blood LDL cholesterol increased in these subjects. The researchers concluded that a ketogenic diet does not hurt or help exercise performance over a 12-week period. However, the potential loss in muscle mass and increases in LDL cholesterol warrant future research into effects of this diet on athletes. View this paper
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Articles (24)

  • Case Report
  • Open Access
13 Citations
7,344 Views
8 Pages

13 March 2018

The influence of a match including extra-time (ET) on subsequent 90 min match performance and recovery has not been investigated. Four professional soccer players played in three competitive matches in a 7-day period: matches one (MD1) and three (MD3...

  • Article
  • Open Access
19 Citations
6,218 Views
11 Pages

13 March 2018

This study aims to assess non-contact respiration measurement during the exercise stress test using an upright bicycle ergometer and to evaluate the ventilation threshold value. We propose the tracking of the chest and abdomen by applying the motion...

  • Article
  • Open Access
7 Citations
8,439 Views
7 Pages

13 March 2018

The aim of this study was to determine the acute effect of static stretching on hamstring and quadriceps muscles’ isokinetic strength when applied for various durations to elite athletes, to investigate the effect of different static stretching durat...

  • Article
  • Open Access
12 Citations
6,281 Views
10 Pages

5 March 2018

This research was conducted to examine the simple visual and auditory reaction times of badminton players of the national teams and to examine the possible effects of reaction-time average values of badminton players under the age of 15 who participa...

  • Article
  • Open Access
27 Citations
11,354 Views
10 Pages

5 March 2018

Genetics plays an integral role in athletic performance and is increasingly becoming recognised as an important risk factor for injury. Ankle and knee injuries are the most common injuries sustained by soccer players. Often these injuries result in p...

  • Feature Paper
  • Review
  • Open Access
118 Citations
21,810 Views
14 Pages

Monitoring and Managing Fatigue in Basketball

  • Toby Edwards,
  • Tania Spiteri,
  • Benjamin Piggott,
  • Joshua Bonhotal,
  • G. Gregory Haff and
  • Christopher Joyce

27 February 2018

The sport of basketball exposes athletes to frequent high intensity movements including sprinting, jumping, accelerations, decelerations and changes of direction during training and competition which can lead to acute and accumulated chronic fatigue....

  • Article
  • Open Access
11 Citations
5,278 Views
8 Pages

25 February 2018

This research was conducted to examine the anthropometric and biometric features of the elite wheelchair basketball players in different league levels, and to evaluate them with regards to field tests particular to wheelchair basketball. A sample of...

  • Article
  • Open Access
37 Citations
10,535 Views
11 Pages

Predictors of Swimming Ability among Children and Adolescents in the United States

  • Jennifer Pharr,
  • Carol Irwin,
  • Todd Layne and
  • Richard Irwin

24 February 2018

Swimming is an important source of physical activity and a life skill to prevent drowning. However, little research has been conducted to understand predictors of swimming ability. The purpose of this study was to understand factors that predict swim...

  • Article
  • Open Access
32 Citations
8,857 Views
11 Pages

The Demands of a Women’s College Soccer Season

  • Jeremy A. Gentles,
  • Christine L. Coniglio,
  • Matthew M. Besemer,
  • Joshua M. Morgan and
  • Michael T. Mahnken

23 February 2018

The purpose of this study was to use GPS, accelerometers, and session rating of perceived exertion (sRPE) to examine the demands of a Division II women’s soccer team. Data was collected on 25 collegiate Division II women’s soccer players over an enti...

  • Article
  • Open Access
6 Citations
5,041 Views
6 Pages

The Use of an Optical Measurement System to Monitor Sports Performance

  • Eric D. Magrum,
  • John P. Wagle,
  • Brad H. DeWeese,
  • Kimitake Sato and
  • Michael H. Stone

17 February 2018

The purpose of this study was to compare ground contact time between an optical measurement system and a force platform. Participants in this study included six collegiate level athletes who performed drop jumps and sprint strike steps for a total of...

  • Article
  • Open Access
81 Citations
7,760 Views
10 Pages

13 February 2018

The aim of the study was to investigate seasonal variations in fitness and performance indices of professional male soccer players. Eighteen professional male soccer players (age range 22–32 years) completed three similar sets of tests at three stage...

  • Feature Paper
  • Article
  • Open Access
51 Citations
7,849 Views
8 Pages

12 February 2018

(1) Background: Differential RPE (dRPE) separates scores for breathlessness (RPE-B), leg muscle exertion (RPE-L) and technical/cognitive exertion (RPE-T). Limited information for dRPE is available in soccer match play, yet these measurements may help...

  • Review
  • Open Access
18 Citations
9,766 Views
12 Pages

6 February 2018

Exercise-induced heat production is further elevated by exercise performed in hot conditions and this can subsequently impact inflammation, and gastrointestinal (GI) health. Implementing nutrition and supplementation strategies under these conditions...

  • Review
  • Open Access
22 Citations
7,839 Views
11 Pages

Topical and Ingested Cooling Methodologies for Endurance Exercise Performance in the Heat

  • Russ Best,
  • Stephen Payton,
  • Iain Spears,
  • Florence Riera and
  • Nicolas Berger

2 February 2018

This systematic review and meta-analysis aimed to assess studies which have investigated cooling methodologies, their timing and effects, on endurance exercise performance in trained athletes (Category 3; VO2max ≥ 55 mL·kg·min−1) in hot environmental...

  • Review
  • Open Access
40 Citations
15,314 Views
21 Pages

31 January 2018

There is ample evidence that regular moderate to vigorous aerobic physical activity is related to a reduced risk for various forms of cancer to suggest a causal relationship. Exercise is associated with positive changes in fitness, body composition,...

  • Article
  • Open Access
16 Citations
49,262 Views
12 Pages

Effects of a 12-Week Modified German Volume Training Program on Muscle Strength and Hypertrophy—A Pilot Study

  • Daniel A. Hackett,
  • Theban Amirthalingam,
  • Lachlan Mitchell,
  • Yorgi Mavros,
  • Guy C. Wilson and
  • Mark Halaki

29 January 2018

This study investigated the effect of a 12-week modified German Volume Training intervention, or the 10 sets method, on muscle strength and hypertrophy. Twelve healthy males were randomly assigned to either a 5-SET or 10-SET group and performed 5 or...

  • Article
  • Open Access
46 Citations
12,579 Views
10 Pages

Anthropometric Variables and Somatotype of Young and Professional Male Basketball Players

  • Karol Gryko,
  • Anna Kopiczko,
  • Kazimierz Mikołajec,
  • Petr Stasny and
  • Martin Musalek

29 January 2018

Background: Determining somatic models and profiles in young athletes has recently become a fundamental element in selecting basketball playing positions. The aim of this study was to assess the relationship between the body build of young and adult...

  • Article
  • Open Access
18 Citations
8,763 Views
16 Pages

Predictors of Academic Achievement among Physical Education and Sports Undergraduate Students

  • Ertuğrul Şahin,
  • Resul Çekin and
  • İlknur Yazıcılar Özçelik

28 January 2018

Although a number of studies have attempted to determine the antecedents, correlates, and consequences of students’ academic performance, there are few studies in the literature that examine the correlates of academic achievement for physical educati...

  • Article
  • Open Access
5 Citations
6,131 Views
9 Pages

The Reliability of Parkour Skills Assessment

  • Martin Dvořák,
  • Jiří Baláš and
  • Andrew J. Martin

24 January 2018

The aim of the study was to determine the reliability of parkour skills assessment in field conditions. Twenty young men completed three trials of a parkour obstacle course on two separate days. The tested group consisted of 10 beginners (age 16 ± 1...

  • Review
  • Open Access
4 Citations
7,171 Views
11 Pages

19 January 2018

Sports-related concussions are an increasing public health issue with much concern about the possible long-term decrements in cognitive function and quality of life that may occur in athletes. The measurement of cognitive function is a common compone...

  • Article
  • Open Access
8 Citations
6,334 Views
14 Pages

17 January 2018

Adolescent relationships with parents are of the highest importance. The relationships likely reflect the nature of internal working models in youth sport that may well function as a psychological template during the construction of youth prosocial b...

  • Article
  • Open Access
19 Citations
9,777 Views
15 Pages

Resting Hormone Alterations and Injuries: Block vs. DUP Weight-Training among D-1 Track and Field Athletes

  • Keith B. Painter,
  • G. Gregory Haff,
  • N. Travis Triplett,
  • Charles Stuart,
  • Guy Hornsby,
  • Mike W. Ramsey,
  • Caleb D. Bazyler and
  • Michael H. Stone

16 January 2018

Daily undulating periodization (DUP), using daily alterations in repetitions, has been advocated as a superior method of resistance training, while traditional forms of programming for periodization (Block) have been questioned. Nineteen Division I t...

  • Article
  • Open Access
91 Citations
74,222 Views
11 Pages

The Three-Month Effects of a Ketogenic Diet on Body Composition, Blood Parameters, and Performance Metrics in CrossFit Trainees: A Pilot Study

  • Wesley C. Kephart,
  • Coree D. Pledge,
  • Paul A. Roberson,
  • Petey W. Mumford,
  • Matthew A. Romero,
  • Christopher B. Mobley,
  • Jeffrey S. Martin,
  • Kaelin C. Young,
  • Ryan P. Lowery and
  • Michael D. Roberts
  • + 2 authors

9 January 2018

Adopting low carbohydrate, ketogenic diets remains a controversial issue for individuals who resistance train given that this form of dieting has been speculated to reduce skeletal muscle glycogen levels and stifle muscle anabolism. We sought to char...

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Sports - ISSN 2075-4663