scholarly journals How Does the Dietary Intake of Female Field-Based Team Sport Athletes Compare to Dietary Recommendations for Health and Performance? A Systematic Literature Review

Nutrients ◽  
2021 ◽  
Vol 13 (4) ◽  
pp. 1235
Author(s):  
Michèle Renard ◽  
David T. Kelly ◽  
Niamh Ní Chéilleachair ◽  
Ciarán Ó Catháin
Keyword(s):  
Dietary Intake ◽  
Female Athletes ◽  
Team Sports ◽  
Target Population ◽  
Team Sport ◽  
Current Evidence ◽  
Future Research ◽  
Negative Consequences ◽  
Dietary Recommendations ◽  
Eligibility Criteria

Field-based team sports present large energetic demands given their intermittent high-intensity nature. Current evidence suggests that the dietary intake of female athletes may be insufficient to meet such demands, resulting in negative consequences for athletic performance and health. The primary aim of this review was to therefore assess the adequacy of dietary intake of female field-based team sport athletes when compared to dietary recommendations. A systematic search of databases, including PubMed, Web of Science, SPORTDiscus, and OpenGrey, was performed from the earliest record available until July 2020, obtaining an initial total of 2588 articles. To be included within the final review, articles were required to provide a quantitative assessment of baseline dietary intake specific to the target population. A total of 20 studies (n = 462) met the full eligibility criteria. A majority reported that the dietary intake of female field-based team sport athletes was insufficient in overall energy (2064 ± 309 kcal·day−1), carbohydrate (4.3 ± 1.2 g·kg·day−1), and iron intake (13.6 ± 6.2 mg·day−1) when compared to recommendations. Future research is required to establish why female team sport athletes consistently demonstrate deficient dietary practices, and to explore the potential negative consequences of this.

scholarly journals Examination of Cognitive Flexibility Levels of Young Individual and Team Sport Athletes

2018 ◽  
Vol 6 (8) ◽  
pp. 149 ◽  
Author(s):  
Şehmus Aslan
Keyword(s):  
High School Students ◽  
Cognitive Flexibility ◽  
Female Athletes ◽  
Team Sports ◽  
Team Sport ◽  
Study Data ◽  
Validity And Reliability ◽  
School Students ◽  
The Individual ◽  
Individual Sports

The purpose of this study was to compare the level of cognitive flexibility of individual and team athletes who are students. The study included a total of 237 volunteer athletes, comprising 140 males (59.1%) and 97 females (40.9%) with a mean age of 18.98 ± 2.18 years (range, 16-26 years) who were licensed to participate in individual and team sports. Study data were collected using the Cognitive Flexibility Scale developed by Martin and Rubin (1995), which consists of 12 items in total. International validity and reliability studies were conducted by Martin and Rubin, and Turkish validity and reliability studies were conducted by Çelikkaleli on high school students (Çelikkaleli, 2014). The scores of the Cognitive Flexibility Scale were found to be higher in the team sports athletes compared with the individual sports athletes (p<0.05). No difference was determined between the levels of cognitive flexibility in male and female athletes. The results indicated that the cognitive flexibility levels of team athletes are higher than those of individual athletes.

Dietitian-Observed Macronutrient Intakes of Young Skill and Team-Sport Athletes: Adequacy of Pre, During, and Postexercise Nutrition

2014 ◽  
Vol 24 (2) ◽  
pp. 166-176 ◽  
Author(s):  
Lindsay B. Baker ◽  
Lisa E. Heaton ◽  
Ryan P. Nuccio ◽  
Kimberly W. Stein
Keyword(s):  
Dietary Intake ◽  
G Protein ◽  
Female Athletes ◽  
Team Sport ◽  
Macronutrient Intake ◽  
Registered Dietitians ◽  
Male Athletes ◽  
Study Objective ◽  
Competitive Athletes ◽  
Free Living Conditions

Context:Sports nutrition experts recommend that team-sport athletes participating in intermittent high-intensity exercise for ≥1 hr consume 1–4 g carbohydrate/kg 1–4 hr before, 30–60 g carbohydrate/hr during, and 1–1.2 g carbohydrate/kg/hr and 20–25 g protein as soon as possible after exercise. The study objective was to compare observed vs. recommended macronutrient intake of competitive athletes under free-living conditions.Methods:The dietary intake of 29 skill/team-sport athletes (14–19 y; 22 male, 7 female) was observed at a sports training facility by trained registered dietitians for one 24-hr period. Dietitians accompanied subjects to the cafeteria and field/court to record their food and fluid intake during meals and practices/competitions. Other dietary intake within the 24-hr period (e.g., snacks during class) was accounted for by having the subject take a picture of the food/fluid and completing a log.Results:For male and female athletes, respectively, the mean ± SD (and percent of athletes meeting recommended) macronutrient intake around exercise was 1.4 ± 0.6 (73%) and 1.4 ± 1.0 (57%) g carbohydrate/kg in the 4 hr before exercise, 21.1 ± 17.2 (18%) and 18.6 ± 13.2 (29%) g carbohydrate/hrr during exercise, 1.4 ± 1.1 (68%) and 0.9 ± 1.0 (43%) g carbohydrate/kg and 45.2 ± 36.9 (73%) and 18.0 ± 21.2 (43%) g protein in the 1 hr after exercise.Conclusion:The male athletes’ carbohydrate and protein intake more closely approximated recommendations overall than that of the female athletes. The most common shortfall was carbohydrate intake during exercise, as only 18% of male and 29% of female athletes consumed 30–60 g carbohydrate/hr during practice/competition.

scholarly journals Does Acute Caffeine Supplementation Improve Physical Performance in Female Team-Sport Athletes? Evidence from a Systematic Review and Meta-Analysis

Nutrients ◽  
2021 ◽  
Vol 13 (10) ◽  
pp. 3663
Author(s):  
Alejandro Gomez-Bruton ◽  
Jorge Marin-Puyalto ◽  
Borja Muñiz-Pardos ◽  
Angel Matute-Llorente ◽  
Juan Del Coso ◽  
...  
Keyword(s):  
Physical Performance ◽  
Perceived Exertion ◽  
Female Athletes ◽  
Handgrip Strength ◽  
Meta Analysis ◽  
Team Sports ◽  
Team Sport ◽  
Risk Of Bias ◽  
Caffeine Intake ◽  
Original Research

Introduction: Recent original research and meta-analyses suggest that acute caffeine supplementation improves exercise performance in team-sport athletes (TSA). Nonetheless, most of the studies testing the effects of caffeine on TSA included samples of male athletes, and there is no meta-analysis of the performance-enhancing effects of caffeine on female TSA. The aim of the present study was to synthesize the existing literature regarding the effect of caffeine supplementation on physical performance in adult female TSA. Methods: A search was performed in Pubmed/Medline, SPORTDiscus and Scopus. The search was performed from the inception of indexing until 1 September 2021. Crossover randomized controlled trials (RCT) assessing the effects of oral caffeine intake on several aspects of performance in female TSA were selected. The methodological quality and risk of bias were assessed for individual studies using the Physiotherapy Evidence Database scale (PEDro) and the RoB 2 tool. A random-effects meta-analysis of standardized mean differences (SMD) was performed for several performance variables. Results: The search retrieved 18 articles that fulfilled the inclusion/exclusion criteria. Overall, most of the studies were of excellent quality with a low risk of bias. The meta-analysis results showed that caffeine increased performance in specific team-sport skills (SMD: 0.384, 95% confidence interval (CI): 0.077–0.691), countermovement jump (SMD: 0.208, CI: 0.079–0.337), total body impacts (SMD: 0.488; 95% CI: 0.050, 0.927) and handgrip strength (SMD: 0.395, CI: 0.126–0.665). No effects were found on the ratings of perceived exertion, squat jumps, agility, repeated sprint ability or agility tests performed after fatigue. Conclusions: The results of the meta-analysis revealed that acute caffeine intake was effective in increasing some aspects of team-sports performance in women athletes. Hence, caffeine could be considered as a supplementation strategy for female athletes competing in team sports.

A Systematic Review of the Qualitative Evidence for the Use of Lifestyle Planning in People with Learning Disabilities

1999 ◽  
Vol 3 (3) ◽  
pp. 148-158 ◽  
Author(s):  
D. Rowe ◽  
A. Rudkin
Keyword(s):  
Systematic Review ◽  
Learning Disabilities ◽  
Planning Process ◽  
Evidence Base ◽  
Outcome Data ◽  
Current Evidence ◽  
Future Research ◽  
Eligibility Criteria ◽  
Qualitative Evidence ◽  
Current Evidence Base

Lifestyle planning (LP) for people with learning disabilities is largely supported by qualitative rather than quantitative research. LP is a time-consuming and potentially resource-intensive area of practice which is becoming more prevalent in the UK. We present the first systematic review of the qualitative evidence base for the use of LP in people with learning disabilities. Such evidence concerns the special characteristics of LP and its outcomes in descriptive rather than quantitative terms. Qualitative research is usually aimed at enhancing validity by grounding theory in data collected. Twenty-one studies passed eligibility criteria for inclusion in this review, but only ten provided any outcome data, the others being concerned with process only. A replicable search strategy was employed and the resulting original data sources were critically reviewed with respect to major concepts and categories in the areas of: planning process, choices and preferences, ethics and outcomes. Explicitly person-centred approaches such as essential lifestyle planning are contrasted with more service-led methods such as individual programme planning. There are major methodological limitations in much of the available literature and suggestions for future research to clarify matters are made. The current evidence base suggests that no form of LP has significantly better outcomes than any other form and that it is not clear if LP in general enhances outcomes. Ongoing use of person centred planning in particular is informed by ethical considerations and is evolving in its structure and function.

Physique Anxiety and Disordered Eating Correlates in Female Athletes: Differences in Team and Individual Sports

2009 ◽  
Vol 3 (3) ◽  
pp. 218-231 ◽  
Author(s):  
Anne M. Haase
Keyword(s):  
Disordered Eating ◽  
Female Athletes ◽  
Team Sports ◽  
Team Sport ◽  
Social Physique Anxiety ◽  
Social Evaluation ◽  
Bulimic Symptoms ◽  
Sport Type ◽  
Bulimic Symptom ◽  
Individual Sports

As female athletes participating in physique-salient sports report similar levels of social physique anxiety (SPA) and disordered eating symptoms compared with those in nonphysique salient sports, alternative factors contributing to disordered eating require consideration, specifically participation in sport type (team vs. individual). This study examined SPA and disordered eating correlates in female athletes (N= 137) in two sport types (team sports and individual sports). Individual sport athletes exhibited higher SPA,F(1, 135) = 22.03,p< .001; dieting, Brown and Forsythe’sF(1, 57.05) = 43.79,p< .001; and bulimic behavior, Brown and Forsythe’sF(1, 59.92) = 13.45,p= .001 than team sport athletes. SPA and sport type together predicted 44% of dieting and 22% of bulimic symptom variance, suggesting that individual-sport athletes with higher SPA experienced greater disordered eating. Involvement in individual sports where physique is more open to social evaluation may contribute to dieting and bulimic symptoms among female athletes.

As Iron Sharpens Iron? Athletes’ Perspectives of Positional Competition

2016 ◽  
Vol 30 (1) ◽  
pp. 55-67 ◽  
Author(s):  
Sebastian Harenberg ◽  
Harold A. Riemer ◽  
Erwin Karreman ◽  
Kim Dorsch
Keyword(s):  
Group Process ◽  
Team Sports ◽  
Team Sport ◽  
Future Research ◽  
Related Information ◽  
Semistructured Interviews ◽  
Playing Time ◽  
The Individual

The study explored the competition between teammates for playing time (i.e., positional competition) within university team sports from the athletes’ perspective. Sixteen Canadian interuniversity team sport athletes (11 women, 5 men) participated in semistructured interviews. Results revealed that positional competition (a) occurs between players in the same position, (b) is necessary to determine playing time, (c) is an ongoing, omni-present process, and (d) happens under the awareness of the coach. Furthermore, various inputs (by the individual athlete, team, coach), processes (performance-related, information-related), and outcomes (individual, collective) became apparent. Positional competition is a group process that occurs across multiple competitive situations (e.g., practices, games). Future research is needed to clearly define and operationalize it as its own construct.

scholarly journals Team Sports for Game AI Benchmarking Revisited

2021 ◽  
Vol 2021 ◽  
pp. 1-9
Author(s):  
Maxim Mozgovoy ◽  
Mike Preuss ◽  
Rafael Bidarra
Keyword(s):  
Computer Games ◽  
Team Sports ◽  
Team Sport ◽  
Future Research ◽  
Game Ai ◽  
Player Enjoyment

Sport games are among the oldest and best established genres of computer games. Sport-inspired environments, such as RoboCup, have been used for AI benchmarking for years. We argue that, in spite of the rise of increasingly more sophisticated game genres, team sport games will remain an important testbed for AI benchmarking due to two primary factors. First, there are several genre-specific challenges for AI systems that are neither present nor emphasized in other types of games, such as team AI and frequent replanning. Second, there are unmistakable nonskill-related goals of AI systems, contributing to player enjoyment, that are most easily observed and addressed within a context of a team sport, such as showing creative and emotional traits. We analyze these factors in detail and outline promising directions for future research for game AI benchmarking, within a team sport context.

scholarly journals Postmatch recovery of physical performance and biochemical markers in team ball sports: a systematic review

2018 ◽  
Vol 4 (1) ◽  
pp. e000264 ◽  
Author(s):  
Steven H Doeven ◽  
Michel S Brink ◽  
Silke J Kosse ◽  
Koen A P M Lemmink
Keyword(s):  
Systematic Review ◽  
Physical Performance ◽  
Biochemical Markers ◽  
Recovery Time ◽  
Team Sports ◽  
Current Evidence ◽  
Original Research ◽  
Eligibility Criteria ◽  
Increased Risk ◽  
Time Courses

BackgroundInsufficient postmatch recovery in elite players may cause an increased risk of injuries, illnesses and non-functional over-reaching.ObjectiveTo evaluate postmatch recovery time courses of physical performance and biochemical markers in team ball sport players.Study designSystematic review.Data sourcesPubMed and Web of Science.Eligibility criteria for selecting studiesThis systematic review was conducted according to Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines. The Critical Review Form for Quantitative Studies was used to evaluate quality. Studies were included if they met the following criteria: (1) original research evaluated players’ physical recovery postmatch; (2) team/intermittent sports; and (3) at least two postmeasurements were compared with baseline values.ResultsTwenty-eight studies were eligible. Mean methodological quality was 11.2±1.11. Most used performance tests and biochemical markers were the countermovement jump test, sprint tests and creatine kinase (CK), cortisol (C) and testosterone (T), respectively.Summary/conclusionsThe current evidence demonstrates that underlying mechanisms of muscle recovery are still in progress while performance recovery is already reached. CK recovery time courses are up to ≥72 hours. Soccer and rugby players need more time to recover for sprint performance, CK and C in comparison to other team ball sports. There are more high-quality studies needed regarding recovery in various team sports and recovery strategies on an individual level should be evaluated.Clinical relevanceOngoing insufficient recovery can be prevented by the use of the presented recovery time courses as specific practical recovery guidelines.

scholarly journals The Application of Machine Learning Techniques for Predicting Results in Team Sport: A Review

2020 ◽  
Author(s):  
Rory Bunker ◽  
Teo Sunsjak
Keyword(s):  
Machine Learning ◽  
Team Sports ◽  
Team Sport ◽  
Machine Learning Techniques ◽  
Future Research ◽  
Research Directions ◽  
The Past ◽  
Learning Techniques ◽  
Future Research Directions ◽  
Research Questions

Over the past two decades, Machine Learning (ML) techniques have been increasingly utilized for the purpose of predicting outcomes in sport. In this paper, we provide a review of studies that have used ML for predicting results in team sport, covering studies from 1996 to 2019. We sought to answer five key research questions while extensively surveying papers in this field. This paper offers insights into which ML algorithms have tended to be used in this field, as well as those that are beginning to emerge with successful outcomes. Our research highlights defining characteristics of successful studies and identifies robust strategies for evaluating accuracy results in this application domain. Our study considers accuracies that have been achieved across different sports and explores the notion that outcomes of some team sports could be inherently more difficult to predict than others. Finally, our study uncovers common themes of future research directions across all surveyed papers, looking for gaps and opportunities, while proposing recommendations for future researchers in this domain.

scholarly journals What Do We Know about Diet and Markers of Cardiovascular Health in Children: A Review

2019 ◽  
Vol 16 (4) ◽  
pp. 548 ◽  
Author(s):  
Pouya Saeedi ◽  
Amin Shavandi ◽  
Paula Skidmore
Keyword(s):  
Risk Factors ◽  
Arterial Stiffness ◽  
Dietary Intake ◽  
Cardiovascular Health ◽  
Substantial Contribution ◽  
Current Evidence ◽  
Future Research ◽  
Original Research ◽  
Cvd Risk Factors ◽  
Cvd Risk

Chronic diseases such as cancer, diabetes, and cardiovascular diseases (CVD) are the main health concerns in the 21st century, with CVD as the number one cause of mortality worldwide. Although CVD hard endpoints such as stroke or heart attack do not usually occur in children, evidence shows that the manifestation of CVD risk factors begins in childhood, preceding clinical complications of CVD in adulthood. Dietary intake is a modifiable risk factor that has been shown to make a substantial contribution to the risk of CVD in adulthood. However, less is known about the association between dietary intake and markers of cardiovascular health in children. This review summarises the current evidence on the relationship between dietary intake and markers of cardiovascular health including traditional CVD risk factors, physical fitness, and indices of arterial stiffness and wave reflection in children. Original research published in English, between January 2008 and December 2018 fulfilling the objective of this review were screened and included. Findings show that adaptation of a healthy lifestyle early in life can be beneficial for reducing the risk of CVD later in life. Furthermore, keeping arterial stiffness low from a young age could be a potential CVD prevention strategy. However, limited studies are available on diet-arterial stiffness relationship in children, and future research is required to better understand this association to aid the development and implementation of evidence-based strategies for preventing CVD-related complications later in life.

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