1,196 results match your criteria Nutrition for the Female Athlete


Thyroid Function Decline and Diet in Female High School Long-distance Runners.

Acta Med Okayama 2019 Apr;73(2):127-133

Graduate School of Health Sciences, Okayama University, Okayama 700-8558, Japan.

We aimed to clarify the state of thyroid function in female high school long-distance runners. We evaluated the associations between thyroid function and menstrual condition, bone mineral density (BMD), nutritious status, and body composition. The subjects' height and weight were measured, along with fat percentage, fat mass, muscle mass, and BMD with dual-energy X-ray absorptiometry. Read More

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http://dx.doi.org/10.18926/AMO/56648DOI Listing
April 2019
1 Read

Sweat Loss and Hydration Habits of Female Olympic, Varsity and Recreational Ice Hockey Players.

Int J Sports Med 2019 Apr 23. Epub 2019 Apr 23.

Human Health and Nutritional Sciences, University of Guelph, Guelph, Canada.

This study measured sweat losses, voluntary fluid intake, sodium balance, and carbohydrate intake of female ice hockey players during on-ice practices at the Olympic, varsity, and recreational levels. Testing was conducted on 25 Canadian Olympic players, 21 varsity, and 21 recreational players. The average sweat rate for the Olympic players (0. Read More

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http://dx.doi.org/10.1055/a-0877-7028DOI Listing

A Comparison of Team Sport Volume Surveyed Between High School and Club Sport Coaches.

Orthop J Sports Med 2019 Apr 8;7(4):2325967119836484. Epub 2019 Apr 8.

Department of Kinesiology, University of Wisconsin-Madison, Madison, Wisconsin, USA.

Background: Club sport participation is increasingly common among high school athletes. Sport participation characteristics may vary widely between the high school and club sport settings. However, there have been no large-scale comparisons of sport participation volume between high school and club teams from similar sports. Read More

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http://dx.doi.org/10.1177/2325967119836484DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6454658PMC

The effects of TeaCrine® and caffeine on endurance and cognitive performance during a simulated match in high-level soccer players.

J Int Soc Sports Nutr 2019 Apr 18;16(1):20. Epub 2019 Apr 18.

IFNH Center for Health and Human Performance, Rutgers University, 61 Dudley Rd, New Brunswick, NJ, 08901, USA.

Background: Theacrine (1,3,7,9-tetramethyluric-acid) is a pure alkaloid with a similar structure to caffeine and acts comparably as an adenosine receptor antagonist. Early studies have shown non-habituating effects, including increases in energy and focus in response to Teacrine®, the compound containing pure theacrine. The purpose of this study was to determine and compare the effects of Teacrine® and caffeine on cognitive performance and time-to-exhaustion during a simulated soccer game in high-level male and female athletes. Read More

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https://jissn.biomedcentral.com/articles/10.1186/s12970-019-
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http://dx.doi.org/10.1186/s12970-019-0287-6DOI Listing
April 2019
1 Read

Sex Differences in Performance and Pacing Strategies During Sprint Skiing.

Front Physiol 2019 22;10:295. Epub 2019 Mar 22.

Swedish Winter Sports Research Centre, Department of Health Sciences, Mid Sweden University, Östersund, Sweden.

This study aimed to compare performance and pacing strategies between elite male and female cross-country skiers during a sprint competition on snow using the skating technique. Twenty male and 14 female skiers completed an individual time-trial prolog (TT) and three head-to-head races (quarter, semi, and final) on the same 1,572-m course, which was divided into flat, uphill and downhill sections. Section-specific speeds, choice of sub-technique (i. Read More

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https://www.frontiersin.org/article/10.3389/fphys.2019.00295
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http://dx.doi.org/10.3389/fphys.2019.00295DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6440389PMC
March 2019
2 Reads

Effect of a four-week ketogenic diet on exercise metabolism in CrossFit-trained athletes.

J Int Soc Sports Nutr 2019 Apr 5;16(1):16. Epub 2019 Apr 5.

Institute of Human Nutrition and Dietetics, Poznan University of Life Sciences, Wojska Polskiego 31, 60-624, Poznań, Poland.

Background: The ketogenic diet is becoming a popular nutritional model among athletes. However, the relationship between its use and metabolism during exercise seems to have not been fully investigated.

Methods: The aim of the study was to assess the effects of a four-week ketogenic diet (KD) on fat and carbohydrate (CHO) utilization during an incremental cycling test (ICT) in CrossFit-trained female (n = 11) and male (n = 11) athletes. Read More

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http://dx.doi.org/10.1186/s12970-019-0284-9DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6451242PMC
April 2019
2 Reads

Prevalence of disordered eating in elite female athletes in team sports in Greece.

Eur J Sport Sci 2019 Mar 17:1-9. Epub 2019 Mar 17.

c School of Sport and Service Management , University of Brighton , Eastbourne , UK.

The purpose of the study was to assess (a) the prevalence of disordered eating (DE) in elite female team sports players compared to non-athletes and (b) to compare DE prevalence in elite female players in basketball, volleyball and water polo. One hundred and seventy-five females were recruited (age 23.10 ± 5. Read More

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http://dx.doi.org/10.1080/17461391.2019.1587520DOI Listing
March 2019
2 Reads

Normative Data for the BTrackS Balance Test Concussion-Management Tool: Results from 10 045 Athletes Aged 8 to 21 Years.

J Athl Train 2019 Mar 14. Epub 2019 Mar 14.

School of Exercise and Nutritional Sciences, Doctor of Physical Therapy Program, San Diego State University, CA.

Context: Balance tests are a recommended assessment of motor function in concussion protocols. The BTrackS Balance Test (BBT) is a tool for concussion balance testing that uses low-cost force-plate technology to objectively measure postural sway.

Objective: To provide normative data for the BBT in a large population of athletes. Read More

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http://dx.doi.org/10.4085/1062-6050-178-18DOI Listing
March 2019
1 Read

Development of a questionnaire to assess dietary restrictions runners use to mitigate gastrointestinal symptoms.

J Int Soc Sports Nutr 2019 Feb 28;16(1):11. Epub 2019 Feb 28.

Sport Medicine Centre, University of Calgary, 2500 University Drive NW, Calgary, Alberta, T2N 1N4, Canada.

Background: Exercise induced gastrointestinal (GI) symptoms can plague athletes, especially runners. Sport nutrition recommendations are nutrient rather than foods focused and do not adequately address strategies to reduce GI symptoms. The objective was to develop a valid and reliable questionnaire to evaluate pre-training and pre-racing voluntary food restrictions/choices, reasons for avoiding foods, and gastrointestinal symptoms in endurance runners. Read More

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https://jissn.biomedcentral.com/articles/10.1186/s12970-019-
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http://dx.doi.org/10.1186/s12970-019-0278-7DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6396487PMC
February 2019
8 Reads

Energy Status and Body Composition Across a Collegiate Women's Lacrosse Season.

Nutrients 2019 Feb 23;11(2). Epub 2019 Feb 23.

Exercise and Performance Nutrition Laboratory, Department of Exercise Science, Lindenwood University, St. Charles, MO 63301, USA.

Little data is available regarding the energy and nutritional status of female collegiate team sport athletes. Twenty female NCAA Division II lacrosse athletes (mean ± SD: 20.4 ± 1. Read More

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http://dx.doi.org/10.3390/nu11020470DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6412364PMC
February 2019
7 Reads

Sex Differences in the Health Status of Endurance Runners: Results From the NURMI Study (Step 2).

J Strength Cond Res 2019 Feb 13. Epub 2019 Feb 13.

Center for Research and Knowledge Management, Pedagogical University Tyrol, Innsbruck, Austria.

Boldt, P, Knechtle, B, Nikolaidis, P, Lechleitner, C, Wirnitzer, G, Leitzmann, C, and Wirnitzer, K. Sex differences in the health status of endurance runners: results from the NURMI study (step 2). J Strength Cond Res XX(X): 000-000, 2018-Optimized endurance performance is closely linked to a good health status (HS), which is crucially affected by sex. Read More

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http://dx.doi.org/10.1519/JSC.0000000000003010DOI Listing
February 2019
5 Reads

Rationale and study design of an intervention of increased energy intake in women with exercise-associated menstrual disturbances to improve menstrual function and bone health: The REFUEL study.

Contemp Clin Trials Commun 2019 Jun 18;14:100325. Epub 2019 Jan 18.

Pennsylvania State University, Department of Kinesiology, Noll Laboratory, Women's Health and Exercise Laboratory, University Park, PA, 16802, USA.

Purpose: Exercising women who consume inadequate energy relative to expenditure are at risk for downstream health consequences, such as menstrual cycle disturbances and poor bone health. Collectively, these conditions are known as the Female Athlete Triad (Triad). Clinicians often prescribe hormonal contraceptives to address this issue; however, the recommended treatment is reversal of the energy deficit. Read More

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http://dx.doi.org/10.1016/j.conctc.2019.100325DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6353734PMC
June 2019
2 Reads

Association of Healthy Eating Index and oxidative stress in adolescent volleyball athletes and non-athletes.

Nutrition 2019 Apr 25;60:230-234. Epub 2018 Oct 25.

Department of Nutrition, Medical School, Federal University of Rio Grande do Sul, Porto Alegre, Brazil; Postgraduate Program in Feeding, Nutrition and Health, Federal University of Rio Grande do Sul, Porto Alegre, Brazil; Food and Nutrition Research Center, Hospital de Clínicas de Porto Alegre, Porto Alegre, Brazil.

Objectives: The objective of this study was to compare the relationship between the Healthy Eating Index and oxidative stress parameters in adolescent athletes and non-athletes.

Methods: A cross-sectional study was carried out with 18 adolescent male and female volleyball athletes who were paired with 15 adolescent non-athletes. Body fat percentage, food intake, free radical production, antioxidant enzyme activity, and thiol and protein damage were measured. Read More

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http://dx.doi.org/10.1016/j.nut.2018.10.017DOI Listing
April 2019
3 Reads

Energy expenditure of athletes' endurance and strength in the light of the Polish energy intake standards.

Int J Occup Med Environ Health 2019 Feb 22;32(1):1-13. Epub 2019 Jan 22.

University of Physical Education in Krakow, Kraków, Poland (Faculty of Physical Education and Sport, Institute of Biomedical Sciences, Department of Physiology and Biochemistry).

Objectives: The purpose of the study was to estimate training energy expenditure (TEE) and daily energy expenditure (DEE) in the Polish elite athletes engaged in endurance sports and power sports, and to compare their levels with the Polish energy intake standards.

Material And Methods: The study sample consisted of 30 athletes (15 women and 15 men) whose energy expenditure was estimated based on heart rate monitoring.

Results: The mean values of DEE obtained for women engaged in endurance sports (WE - women endurance) and power sports (WP - women power) were 3201±533 kcal and 3217±554 kcal, respectively. Read More

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http://dx.doi.org/10.13075/ijomeh.1896.01300DOI Listing
February 2019
3 Reads

Comparative analysis of the correlation between anxiety, salivary alpha amylase, cortisol levels, and athletes' performance in archery competitions.

Authors:
In-Soo Lim

J Exerc Nutrition Biochem 2018 Dec;22(4):69-74

Purpose: This study aimed to analyze the correlation between anxiety, salivary alpha amylase (sAA), and salivary cortisol (sC) changes in athletes showing a high or low level performance in an actual archery competition.

Methods: The participants were female university athletes who participated in the individual 50 m archery competition at the 21st Korean National Archery Team Trials, in July 2018. Based on their game record in the competition, 9 athletes were allocated to the high-performance group (HPG) and another 9 to the low-performance group (LPG). Read More

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http://dx.doi.org/10.20463/jenb.2018.0032DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6343762PMC
December 2018
1 Read

Effect of a short-term low fermentable oligiosaccharide, disaccharide, monosaccharide and polyol (FODMAP) diet on exercise-related gastrointestinal symptoms.

J Int Soc Sports Nutr 2019 Jan 15;16(1). Epub 2019 Jan 15.

Cambridge Centre for Sport and Exercise Sciences, School of Psychology and Sport Science, Anglia Ruskin University, Cambridge, UK.

Background: Research has demonstrated that low fermentable oligiosaccharide, disaccharide, monosaccharide and polyol (FODMAP) diets improve gastrointestinal (GI) symptoms in irritable bowel syndrome sufferers. Exercise-related GI issues are a common cause of underperformance, with current evidence focusing on the use of FODMAP approaches with recreationally competitive or highly trained athletes. However, there is a paucity of research exploring the potential benefit of FODMAP strategies to support healthy, recreational athletes who experience GI  issues during training. Read More

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http://dx.doi.org/10.1186/s12970-019-0268-9DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6332635PMC
January 2019
5 Reads

Low energy availability, menstrual dysfunction, and impaired bone health: A survey of elite para athletes.

Scand J Med Sci Sports 2019 May 6;29(5):678-685. Epub 2019 Feb 6.

Department of Orthopaedic Surgery, Brigham and Women's Hospital, Boston, Massachusetts.

Introduction: The Female Athlete Triad (Triad) is a syndrome describing three interrelated conditions: low energy availability (LEA), menstrual dysfunction, and low bone mineral density (BMD). Relative Energy Deficiency in Sport (RED-S) expands the Triad to include multiple physiologic consequences of LEA in both sexes. The purpose of this study is to determine the prevalence of factors associated with the Triad/RED-S in an elite para athlete population. Read More

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http://doi.wiley.com/10.1111/sms.13385
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http://dx.doi.org/10.1111/sms.13385DOI Listing
May 2019
11 Reads

Nutrition for Special Populations: Young, Female, and Masters Athletes.

Int J Sport Nutr Exerc Metab 2019 Mar 15;29(2):220-227. Epub 2019 Feb 15.

5 Nottingham Trent University.

Adolescent, female, and masters athletes have unique nutritional requirements as a consequence of undertaking daily training and competition in addition to the specific demands of age- and gender-related physiological changes. Dietary education and recommendations for these special population athletes require a focus on eating for long-term health, with special consideration given to "at-risk" dietary patterns and nutrients (e.g. Read More

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http://dx.doi.org/10.1123/ijsnem.2018-0269DOI Listing
March 2019
5 Reads

Selective Influences of Maximum Dynamic Strength and Bar-Power Output on Team Sports Performance: A Comprehensive Study of Four Different Disciplines.

Front Physiol 2018 17;9:1820. Epub 2018 Dec 17.

Sports Performance Research Institute New Zealand, Auckland University of Technology, Auckland, New Zealand.

This study examined the selective influences of one-repetition maximum (1RM) values [assessed in the half-squat (HS)] and bar-power production [assessed in both HS and jump squat (JS) exercises] on the physical performance of male and female team sport athletes from four different sports. Three-hundred and three elite players (31 Olympians) from four different disciplines (47 male soccer players, 58 female soccer players, 28 male handball players, 58 female handball players, 49 male rugby players, and 63 male futsal players) participated in this study. The physical tests were performed over 2 consecutive days for soccer and rugby players, and in 1 day for the remaining athletes. Read More

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http://dx.doi.org/10.3389/fphys.2018.01820DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6304672PMC
December 2018
2 Reads

How performance analysis of elite long jumping can inform representative training design through identification of key constraints on competitive behaviours.

Eur J Sport Sci 2019 Jan 7:1-9. Epub 2019 Jan 7.

a Institute of Health and Biomedical Innovation, Queensland University of Technology , Brisbane , Australia.

Analysing performance in competitive environments enables identification of key constraints which shape behaviours, supporting designs of more representative training and learning environments. In this study, competitive performance of 244 elite level jumpers (male and female) was analysed to identify the impact of candidate individual, environmental and task constraints on performance outcomes. Findings suggested that key constraints shaping behaviours in long jumping were related to: individuals (e. Read More

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http://dx.doi.org/10.1080/17461391.2018.1564797DOI Listing
January 2019
2 Reads

Satiating Effect of High Protein Diets on Resistance-Trained Subjects in Energy Deficit.

Nutrients 2018 Dec 28;11(1). Epub 2018 Dec 28.

International Scientific Research Foundation for Fitness and Nutrition, 1073 LC Amsterdam, The Netherlands.

Short-term energy deficit strategies are practiced by weight class and physique athletes, often involving high protein intakes to maximize satiety and maintain lean mass despite a paucity of research. This study compared the satiating effect of two protein diets on resistance-trained individuals during short-term energy deficit. Following ethical approval, 16 participants (age: 28 ± 2 years; height: 1. Read More

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http://dx.doi.org/10.3390/nu11010056DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6356668PMC
December 2018
4 Reads

[Content of some vitamins in food ration and blood serum of professional athletes].

Vopr Pitan 2018 13;87(5):43-51. Epub 2018 Sep 13.

Federal Research Centre of Nutrition, Biotechnology and Food Safety, Moscow.

The aim of the work was a comparative assessment of the vitamin status of athletes specializing in different kinds of sport (bobsleigh, dispersing and pilots, biathlon, bullet shooting) by means of assessment of the content of vitamins in the diet and blood serum. 159 professional athletes of both sexes were examined in the pre-competition period of the sport activity. The average age of the surveyed 92 men was 21. Read More

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http://dx.doi.org/10.24411/0042-8833-2018-10052DOI Listing
April 2019
2 Reads

Correlates of health in adolescent elite athletes and adolescents: A cross-sectional study of 1016 adolescents.

Eur J Sport Sci 2018 Dec 27:1-10. Epub 2018 Dec 27.

a Department of Neurobiology, Care Sciences, and Society (NVS) Division of Physiotherapy , Karolinska Institutet , Huddinge , Sweden.

The primary aim of this cross-sectional study was to compare subjective correlates of health, such as nutrition, self-esteem, sleep and stress, between adolescent elite athletes (n = 625) and a reference group of adolescents (n = 391) not involved in elite sports. A secondary aim was to study predictors for self-perceived stress. A questionnaire was e-mailed to all participants containing valid questions about competence-based self-esteem, nutrition, self-perceived stress and sleep. Read More

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https://www.tandfonline.com/doi/full/10.1080/17461391.2018.1
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http://dx.doi.org/10.1080/17461391.2018.1552721DOI Listing
December 2018
10 Reads

Health Status of Female and Male Vegetarian and Vegan Endurance Runners Compared to Omnivores-Results from the NURMI Study (Step 2).

Nutrients 2018 Dec 22;11(1). Epub 2018 Dec 22.

Institute of Primary Care, University of Zurich, 8091 Zurich, Switzerland.

Health effects of vegetarian and vegan diets are well known. However, data is sparse in terms of their appropriateness for the special nutritional demands of endurance runners. Therefore, the aim of this study was to investigate the health status of vegetarian (VER) and vegan endurance runners (VGR) and compare it to omnivorous endurance runners (OR). Read More

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http://www.mdpi.com/2072-6643/11/1/29
Publisher Site
http://dx.doi.org/10.3390/nu11010029DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6356807PMC
December 2018
34 Reads

Self-Reported Periodization of Nutrition in Elite Female and Male Runners and Race Walkers.

Front Physiol 2018 3;9:1732. Epub 2018 Dec 3.

Mary MacKillop Institute for Health Research, Australian Catholic University, Melbourne, VIC, Australia.

Athletes should achieve event-specific physiological requirements through careful periodization of training, underpinned by individualized and targeted nutrition strategies. However, evidence of whether, and how, elite endurance athletes periodize nutrition is scarce. Accordingly, elite international female ( = 67) and male ( = 37) middle/long-distance athletes (IAAF score: 1129 ± 54, corresponds to 13:22. Read More

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https://www.frontiersin.org/article/10.3389/fphys.2018.01732
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http://dx.doi.org/10.3389/fphys.2018.01732DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6286987PMC
December 2018
3 Reads

Evaluation of Dietary Supplement Use in Wheelchair Rugby Athletes.

Nutrients 2018 Dec 11;10(12). Epub 2018 Dec 11.

Department of Health and Physical Education, Mount Royal University, Calgary, AB T3E 6K6, Canada.

Wheelchair rugby is a rapidly growing Paralympic sport; however, research remains predominantly in the realms of physiology and biomechanics. Currently, there is little investigation into nutrition and dietary supplement use among wheelchair rugby athletes (WRA). The aim of this study was to assess the types of dietary supplements (DS) used, the prevalence of usage, and the reasons for use among WRA. Read More

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http://www.mdpi.com/2072-6643/10/12/1958
Publisher Site
http://dx.doi.org/10.3390/nu10121958DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6315401PMC
December 2018
36 Reads

Exploring the Effectiveness of Immersive Video for Training Decision-Making Capability in Elite, Youth Basketball Players.

Front Psychol 2018 27;9:2315. Epub 2018 Nov 27.

Movement Science, Australian Institute of Sport, Canberra, ACT, Australia.

Decision-making is an essential capability for success in team sport athletes. Good decision-making is underpinned by perceptual-cognitive skills that allow athletes to assess the environment and choose the correct choice from a number of alternatives. Previous research has demonstrated that decision-making can be trained "off-line" by exposing athletes to gameplay scenarios and having them make decisions based on the information presented to them. Read More

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http://dx.doi.org/10.3389/fpsyg.2018.02315DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6277468PMC
November 2018
5 Reads

Fat-free mass in adolescent athletes: Accuracy of bioimpedance equations and identification of new predictive equations.

Nutrition 2019 Apr 6;60:59-65. Epub 2018 Oct 6.

Department of Life and Environmental Sciences, University of Cagliari, Cagliari, Italy.

Objectives: The aims of this study were to evaluate the effect of biological maturity on body composition in Brazilian adolescent athletes, to verify the accuracy of previous bioimpedance predictive equations for estimating fat-free mass (FFM), and to develop new predictive equations, considering sexual and skeletal maturity.

Methods: There were 318 Brazilian adolescent athletes (52% male) involved in this study. FFM was determined using single-frequency (50 kHz) bioelectrical impedance analysis (BIA) and dual-energy x-ray absorptiometry (DXA), which was used as the reference method. Read More

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http://dx.doi.org/10.1016/j.nut.2018.09.029DOI Listing
April 2019
3 Reads

Iron status at opposite ends of the menstrual function spectrum.

J Trace Elem Med Biol 2019 Jan 19;51:169-175. Epub 2018 Oct 19.

The Women's Health and Exercise Laboratory, The Pennsylvania State University, 104 Noll Laboratory, University Park, PA 16802, United States. Electronic address:

Objectives: Although exercising women are at high risk of poor iron status, it is unknown how non-pathological, physiological menstrual function affects iron status. As such, this study investigates the association between menstrual function and iron status in exercising women with amenorrhea and exercising women with ovulatory, eumenorrheic menstrual cycles.

Design: Cross-sectional analysis of iron depletion prevalence, iron status indices, exercise parameters, and diet composition. Read More

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http://dx.doi.org/10.1016/j.jtemb.2018.10.016DOI Listing
January 2019
12 Reads

Risk of female athlete triad development in Japanese collegiate athletes is related to sport type and competitive level.

Int J Womens Health 2018 30;10:671-687. Epub 2018 Oct 30.

Faculty of Health and Sport Sciences, University of Tsukuba, Tsukuba, Ibaraki, Japan,

Introduction: Menstrual dysfunction, musculoskeletal injury, and poor nutrition combine to form the female athlete triad (FAT), which results in serious health consequences for affected athletes. To this point, the risk factors of this phenomenon have not been fully explored in Japanese female college athletes. Additionally, the effect of competitive level on FAT risk factors has also not been reported. Read More

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http://dx.doi.org/10.2147/IJWH.S175446DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6214308PMC
October 2018
13 Reads

Comparison of Exclusive Double Poling to Classic Techniques of Cross-country Skiing.

Med Sci Sports Exerc 2019 Apr;51(4):760-772

Department of Sport and Exercise Science, University of Salzburg, Hallein/Rif, AUSTRIA.

Introduction: This study aimed to 1) determine basic physiological demands during a simulated on-snow cross-country skiing (XCS) race when using grip-waxed skis (all classic XCS techniques [CLASSIC]), versus glide-waxed skis for exclusive double poling (DP) and 2) analyze in which track sections DP is different from CLASSIC under controlled gliding conditions in elite junior and senior skiers.

Methods: Nineteen male and female elite XC skiers performed 1) two randomized simulated XCS races over 5.3 km using DP or CLASSIC measuring section times, V˙O2, HR, blood lactate, and RPE; and 2) V˙O2peak tests using diagonal stride and DP on treadmill. Read More

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http://Insights.ovid.com/crossref?an=00005768-900000000-9675
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http://dx.doi.org/10.1249/MSS.0000000000001840DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6430595PMC
April 2019
40 Reads

Early diagnosis of femoral neck stress fractures may decrease incidence of bilateral progression and surgical interventions: A case report and literature review.

Int J Surg Case Rep 2018 31;53:189-192. Epub 2018 Oct 31.

Department of Orthopedic Surgery, Franciscan St. James Hospital, 20201 South Crawford Avenue, Olympia Fields, IL, 60461, United States.

Introduction: Early intervention in femoral neck stress fractures (FNSFs) can be self- limiting, but they have an insidious presentation. High index of suspicion for an occult fracture is necessary to avoid bilateral progression and/or operative interventions.

Case Presentation: A 83-year-old female, non-athlete, presents with multiple comorbidities and progressive bilateral FNSFs. Read More

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https://linkinghub.elsevier.com/retrieve/pii/S22102612183047
Publisher Site
http://dx.doi.org/10.1016/j.ijscr.2018.10.050DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6226580PMC
October 2018
11 Reads

Exercise-Induced Reductive Stress Is a Protective Mechanism against Oxidative Stress in Peripheral Blood Mononuclear Cells.

Oxid Med Cell Longev 2018 11;2018:3053704. Epub 2018 Oct 11.

Laboratory of Animal Physiology, Department of Biochemistry and Biotechnology, University of Thessaly, 41500 Viopolis, Larissa, Greece.

Eccentric exercise is a well-studied modality that induces oxidative stress and muscle damage. Furthermore, it promotes inflammatory response in which peripheral blood mononuclear cells (PBMCs) are the major mediators. Although free radicals are necessary in a specific range of concentrations, yet unknown, it remains unclear whether reductive redox status (i. Read More

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https://www.hindawi.com/journals/omcl/2018/3053704/
Publisher Site
http://dx.doi.org/10.1155/2018/3053704DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6201335PMC
November 2018
25 Reads

The Influence of Athletic Trainers on the Incidence and Management of Concussions in High School Athletes.

J Athl Train 2018 Nov 7;53(11):1017-1024. Epub 2018 Nov 7.

NeuroTrauma Research Laboratory, University of Michigan, Ann Arbor.

Context: In many US high schools, the athletic trainer (AT) has the responsibility to identify and manage athletes with concussions. Although the availability of ATs varies a great deal among schools, how the level of AT availability in high schools affects the reported incidence and management of sport-related concussions (SRCs) is unknown.

Objective: To determine how the presence of an AT affects the reporting and management of SRCs. Read More

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http://natajournals.org/doi/10.4085/1062-6050-209-18
Publisher Site
http://dx.doi.org/10.4085/1062-6050-209-18DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6333229PMC
November 2018
20 Reads

Changes in Sport Nutrition Knowledge, Attitudes/Beliefs and Behaviors Following a Two-Year Sport Nutrition Education and Life-Skills Intervention among High School Soccer Players.

Nutrients 2018 Nov 2;10(11). Epub 2018 Nov 2.

Nutrition, School of Biological and Population Health Sciences, College of Public Health and Human Sciences, Oregon State University, Corvallis, OR 97331, USA.

The purpose of this study was to examine the impact of a sport nutrition education and life-skills intervention on sport nutrition knowledge (SNK), attitudes/beliefs and dietary behaviors relevant to sport nutrition among high school (HS) soccer players. Three assessments were done over the 2-year intervention (baseline = time 1, end year 1 = time 2, end year 2 = time 3). Participants ( = 217; females = 64%; Latino = 47. Read More

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http://www.mdpi.com/2072-6643/10/11/1636
Publisher Site
http://dx.doi.org/10.3390/nu10111636DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6266993PMC
November 2018
8 Reads

Humid heat stress affects trained female athletes more than does their menstrual phase.

Temperature (Austin) 2018 20;5(3):202-204. Epub 2018 Mar 20.

School of Sport, Exercise and Nutrition, Massey University, Private Bag 11-222, Palmerston North, New Zealand.

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https://www.tandfonline.com/doi/full/10.1080/23328940.2018.1
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http://dx.doi.org/10.1080/23328940.2018.1436394DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6205064PMC
March 2018
3 Reads

Guiding Ketogenic Diet with Breath Acetone Sensors.

Sensors (Basel) 2018 Oct 28;18(11). Epub 2018 Oct 28.

Department of Endocrinology, Diabetes, and Clinical Nutrition, University Hospital Zurich, CH-8091 Zurich, Switzerland.

Ketogenic diet (KD; high fat, low carb) is a standard treatment for obesity, neurological diseases (e.g., refractory epilepsy) and a promising method for athletes to improve their endurance performance. Read More

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http://dx.doi.org/10.3390/s18113655DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6264102PMC
October 2018
3 Reads

Incidence and risk factors of medial tibial stress syndrome: a prospective study in Physical Education Teacher Education students.

BMJ Open Sport Exerc Med 2018 16;4(1):e000421. Epub 2018 Oct 16.

Amsterdam Collaboration on Health and Safety in Sports & Department of Public and Occupational Health, Amsterdam Movement Science, VU University Medical Center, Amsterdam, The Netherlands.

Objective: Medial tibial stress syndrome (MTSS) is a common lower extremity overuse injury often causing long-term reduction of sports participation. This study aimed to investigate the incidence and risk factors of MTSS in first-year Dutch Physical Education Teacher Education (PETE) students.

Methods: This prospective study consisted of physical measures at baseline (height, weight, fat percentage, 3000 m run test, navicular drop test, hip internal and external range of motion, hip adduction and adduction strength, single leg squat and shin palpation), an intake questionnaire at baseline (age, sport participation, presence of MTSS, MTSS history, insole use and use of supportive shoes) and an MTSS registration procedure during the academic year of 2016-2017 (10  months) using a validated questionnaire. Read More

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http://bmjopensem.bmj.com/lookup/doi/10.1136/bmjsem-2018-000
Publisher Site
http://dx.doi.org/10.1136/bmjsem-2018-000421DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6196946PMC
October 2018
15 Reads

Liver Injury Associated with Sporting Activities.

Semin Liver Dis 2018 Nov 24;38(4):357-365. Epub 2018 Oct 24.

Division of Gastroenterology and Hepatology, Department of Internal Medicine, University of Michigan, Ann Arbor, Michigan.

Exertional heat stroke most commonly develops following prolonged levels of aerobic activity in a warm or humid environment. Hypoperfusion of the vital organs along with activation of the inflammasome can lead to progressive and potentially fatal multiorgan failure including acute liver failure. In the United States, herbal and dietary supplements that are marketed to improve performance, strength, and weight loss are increasingly being used by both amateur and professional athletes. Read More

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http://www.thieme-connect.de/DOI/DOI?10.1055/s-0038-1670656
Publisher Site
http://dx.doi.org/10.1055/s-0038-1670656DOI Listing
November 2018
22 Reads

Characterization and Comparison of Nutritional Intake between Preparatory and Competitive Phase of Highly Trained Athletes.

Medicina (Kaunas) 2018 May 30;54(3). Epub 2018 May 30.

Exercise and Health Laboratory, CIPER, Faculdade de Motricidade Humana da Universidade de Lisboa, Estrada da Costa, 1499-688 Cruz-Quebrada, Portugal.

For a high level athlete, it is essential to ensure optimal energy as well as macro- and micro-nutrient and fluid intakes, in order to improve their performance during training and competition. Protein intake should be 1.2⁻2. Read More

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http://dx.doi.org/10.3390/medicina54030041DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6122105PMC
May 2018
6 Reads

Eleven Weeks of Iron Supplementation Does Not Maintain Iron Status for an Entire Competitive Season in Elite Female Volleyball Players: A Follow-Up Study.

Nutrients 2018 Oct 17;10(10). Epub 2018 Oct 17.

Department of Anatomy, Faculty of Physical Therapy, University of Valladolid, 42004 Soria, Spain.

Background: Even though iron supplementation can be effective, it is necessary to be cautious of toxicity and aim to do no harm, therefore, it is important to examine the length of time the benefits of iron supplementation can be maintained following its cessation. The main purpose of this study was to analyze if iron stores and strength performance were maintained in elite female volleyball players for the final 18 weeks of a competitive season following the cessation of 11 weeks of iron supplementation.

Methods: Twenty-two volleyballers (age: 27. Read More

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http://dx.doi.org/10.3390/nu10101526DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6213587PMC
October 2018
5 Reads

On exercise thermoregulation in females: interaction of endogenous and exogenous ovarian hormones.

J Physiol 2019 Jan 22;597(1):71-88. Epub 2018 Nov 22.

School of Sport, Exercise and Nutrition, Massey University, Palmerston North, New Zealand.

Key Points: One in two female athletes chronically take a combined, monophasic oral contraceptive pill (OCP). Previous thermoregulatory investigations proposed that an endogenous rhythm of the menstrual cycle still occurs with OCP usage. Forthcoming large international sporting events will expose female athletes to hot environments differing in their thermal profile, yet few data exist on how trained women will respond from both a thermoregulatory and performance stand-point. Read More

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http://doi.wiley.com/10.1113/JP276233
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http://dx.doi.org/10.1113/JP276233DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6312528PMC
January 2019
22 Reads

Overuse injuries in Swedish elite athletics- a study protocol for a prospective multifactorial cohort study.

BMC Musculoskelet Disord 2018 Oct 13;19(1):370. Epub 2018 Oct 13.

Center for Health and Performance, Department of Food and Nutrition, and Sport Science, University of Gothenburg, Box 300, 405 30, Gothenburg, Sweden.

Background: Overuse injuries (OI) are common in elite athletics. Previous studies have had athletes self-report injuries rather than having a medical professional provide a clear diagnosis. This might be a major reason for the inconsistencies in reported incident proportions of OI in elite athletics, in addition to the varying definitions of OI in current literature. Read More

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https://bmcmusculoskeletdisord.biomedcentral.com/articles/10
Publisher Site
http://dx.doi.org/10.1186/s12891-018-2296-zDOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6186111PMC
October 2018
20 Reads

Effects of Probiotic ( 35624) Supplementation on Exercise Performance, Immune Modulation, and Cognitive Outlook in Division I Female Swimmers.

Sports (Basel) 2018 Oct 10;6(4). Epub 2018 Oct 10.

Osness Human Performance Laboratory, University of Kansas, Lawrence, KS 66045, USA.

Our aim was to determine the effects of probiotic supplementation ( 35624; 1 billion CFU·d) on exercise performance, immune modulation, and cognitive outlook in collegiate female athletes during six weeks of offseason training. Seventeen National Collegiate Athletic Association (NCAA) Division 1 collegiate female swimmers participated in this two-group matched, double-blind, placebo controlled design. Via stratified randomization, participants were assigned to probiotic ( 35624; = 8) or placebo ( = 9) groups. Read More

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http://www.mdpi.com/2075-4663/6/4/116
Publisher Site
http://dx.doi.org/10.3390/sports6040116DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6315752PMC
October 2018
5 Reads

Poor dietary intake and low nutritional knowledge in adolescent and adult competitive athletes: a warning to table tennis players.

Nutr Hosp 2018 Oct 5;35(5):1124-1130. Epub 2018 Oct 5.

Introduction: an evaluation of an athlete's dietary intake may help to understand the dietary inadequacies that are found in athletes and how other factors, such as nutritional knowledge and age, might also influence their food behavior.

Objective: to evaluate and compare the dietary intake and the nutrition knowledge between adult and adolescent table tennis players.

Method: forty-two competitive athletes (25 adolescents and 17 adults) responded to two non-consecutive 24-hour recalls and a validated nutritionalknowledge questionnaire. Read More

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http://dx.doi.org/10.20960/nh.1793DOI Listing
October 2018
2 Reads

Screening for risk of low energy availability in athletic and recreationally active females in Ireland.

Eur J Sport Sci 2019 Feb 10;19(1):112-122. Epub 2018 Oct 10.

a School of Public Health, Physiotherapy and Sports Science , University College Dublin , Dublin , Ireland.

Introduction: Low energy availability (LEA) results in physiological adaptations, which can contribute to unfavourable health outcomes. Little information exists on risk of LEA in active individuals competing in different sports or levels of competition. The aims of this study were to (1) identify risk of LEA in females competing at different levels of competition and (2) investigate associations between risk of LEA, illness and dietary habits. Read More

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http://dx.doi.org/10.1080/17461391.2018.1526973DOI Listing
February 2019

[Nutritional habits of 11-12-year-old swimmers against non-athlete peers - a pilot study].

Pediatr Endocrinol Diabetes Metab 2018 ;24(2):72-81

Department of Tourism, Recreation and Ecology Faculty of Environmental Sciences Warmia and Mazury University in Olsztyn.

Introduction: Quality and quantity of food, consumed by a child have a great influence on his biological development. Dietary habits of children often do not meet criteria suggested by health institutions and schools. Nutrition of a child, involved in competitive sport should be rationally planned and obeyed. Read More

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http://dx.doi.org/10.18544/PEDM-24.02.0105DOI Listing
December 2018
2 Reads

Comparison of the Personality Traits of Male and Female BASE Jumpers.

Front Psychol 2018 18;9:1665. Epub 2018 Sep 18.

Department of Psychiatry, Washington University in St. Louis, St. Louis, MO, United States.

BASE jumping is an extreme adventure sport which consists of jumping from a fixed object with specially adapted parachutes. A few studies of the personality of BASE jumpers have been conducted, but little is known about how the women in this sport compare to the men. The purpose of this study is to compare the personality traits among a sample of men and women who are experienced BASE jumpers, as this provides an interesting and important opportunity to better understand the motivation for extreme sports. Read More

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http://dx.doi.org/10.3389/fpsyg.2018.01665DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6160869PMC
September 2018
3 Reads

Analysis of Nutritional Supplements Consumption by Squash Players.

Nutrients 2018 Sep 20;10(10). Epub 2018 Sep 20.

Faculty of Health Sciences of Universidad Isabel I, Universidad Isabel I, 09004 Burgos, Spain.

The aim of the present study is to analyse nutritional supplements (NS) consumption by squash players of different levels (international vs. national). A total of 14 international players and 28 national ones answered a NS consumption frequency questionnaire that had been previously validated. Read More

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http://www.mdpi.com/2072-6643/10/10/1341
Publisher Site
http://dx.doi.org/10.3390/nu10101341DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6213714PMC
September 2018
15 Reads

A study on the relationship between exercise addiction, abnormal eating attitudes, anxiety and depression among athletes in Israel.

J Behav Addict 2018 Sep 21;7(3):800-805. Epub 2018 Sep 21.

1 Department of Behavioral Sciences and Integrative Brain and Cognition Center, Ariel University , Ariel, Israel.

Background And Aims: The aim of this study was to investigate the relationship between exercise addiction, abnormal eating attitudes, anxiety, and depression among competitive and amateur athletes.

Methods: Participants were 100 athletes of mean age 28.3 years (18-62), of which there were 67 males and 35 females. Read More

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https://www.akademiai.com/doi/10.1556/2006.7.2018.83
Publisher Site
http://dx.doi.org/10.1556/2006.7.2018.83DOI Listing
September 2018
38 Reads