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Relative energy deficiency athletes

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https://www.readbyqxmd.com/read/29860237/low-energy-availability-surrogates-correlate-with-health-and-performance-consequences-of-relative-energy-deficiency-in-sport
#1
Kathryn E Ackerman, Bryan Holtzman, Katherine M Cooper, Erin F Flynn, Georgie Bruinvels, Adam S Tenforde, Kristin L Popp, Andrew J Simpkin, Allyson L Parziale
Low energy availability (EA) is suspected to be the underlying cause of both the Female Athlete Triad and the more recently defined syndrome, Relative Energy Deficiency in Sport (RED-S). The International Olympic Committee (IOC) defined RED-S as a syndrome of health and performance impairments resulting from an energy deficit. While the importance of adequate EA is generally accepted, few studies have attempted to understand whether low EA is associated with the health and performance consequences posited by the IOC...
June 2, 2018: British Journal of Sports Medicine
https://www.readbyqxmd.com/read/29757049/prevalence-of-indicators-of-low-energy-availability-in-elite-female-sprinters
#2
Jennifer Sygo, Alexandra M Coates, Erik Sesbreno, Margo L Mountjoy, Jamie F Burr
Low energy availability (LEA), and subsequent relative energy deficiency in sport (RED-S), has been observed in endurance, aesthetic, and team sport athletes, with limited data on prevalence in athletes in short-burst activities such as sprinting. We examined prevalence of signs and symptoms of LEA in elite female sprinters at the start of the training season (PRE), and at the end of a 5-month indoor training period (POST). Four of 13 female sprinters (31%) presented at PRE testing with at least one primary (amenorrhea, low BMD, low FSH, LH, or estradiol, RMR ≤ 29kcal/kg FFM, Low Energy Availability in Females Questionnaire (LEAF-Q) score ≥8) and one secondary indicator of LEA (fasting blood glucose < 4mmol/L, free triiodothyronine < 3...
May 14, 2018: International Journal of Sport Nutrition and Exercise Metabolism
https://www.readbyqxmd.com/read/29722578/a-review-of-prevention-diagnosis-and-treatment-of-relative-energy-deficiency-in-sport-red-s-in-artistic-synchronized-swimming
#3
Sherry Robertson, Margo Mountjoy
The syndrome Relative Energy Deficiency in Sport (RED-S) is a clinical entity characterized by low energy availability (LEA), which can negatively affect the health and performance of both male and female athletes. The underlying mechanism of RED-S is an inadequacy of dietary energy to support optimal health and performance. This syndrome refers to impaired physiological function including metabolic rate, menstrual function, bone health, immunity, protein synthesis, and cardiovascular health, with psychological consequences which can either precede (through restrictive dietary habits) or result from RED-S...
May 3, 2018: International Journal of Sport Nutrition and Exercise Metabolism
https://www.readbyqxmd.com/read/29556158/calorie-restriction-regime-enhances-physical-performance-of-trained-athletes
#4
Victoria Pons, Joan Riera, Xavier Capó, Miquel Martorell, Antoni Sureda, Josep A Tur, Franchek Drobnic, Antoni Pons
Background: Caloric restriction induces mitochondrial biogenesis and improves physical fitness in rodents. We aimed to provide evidence of how caloric restriction affects the body composition and physical performance of trained athletes and to evaluate the possible impact of an every-other-day feeding diet on nutritional deficiencies of micronutrients and essential fatty acids. Methods: The study was performed with 12 healthy male athletes by carrying out a 33% caloric restriction with respect to their usual diet...
2018: Journal of the International Society of Sports Nutrition
https://www.readbyqxmd.com/read/29550413/sex-differences-in-common-sports-injuries
#5
REVIEW
Cindy Lin, Ellen Casey, Daniel Herman, Nicole Katz, Adam Tenforde
Common sports injuries include bone stress injuries (BSIs), anterior cruciate ligament (ACL) injuries, and concussions. Less commonly recognized are the specific sex differences in epidemiology, risk factors, and outcomes of these conditions by sex. An understanding of these factors can improve their clinical management, from prescribing appropriate prehabilitation to guiding postinjury rehabilitation and return to play. This narrative review summarizes the sex differences in the diagnosis and management of BSIs, ACL injuries, and concussions...
March 14, 2018: PM & R: the Journal of Injury, Function, and Rehabilitation
https://www.readbyqxmd.com/read/29485333/female-athlete-triad-triad-relative-energy-deficiency-in-sport-red-s-a-perspective-interview-with-professor-barbara-drinkwater
#6
Susan Carter
No abstract text is available yet for this article.
February 27, 2018: International Journal of Sport Nutrition and Exercise Metabolism
https://www.readbyqxmd.com/read/29405793/within-day-energy-deficiency-and-metabolic-perturbation-in-male-endurance-athletes
#7
Monica K Torstveit, Ida Fahrenholtz, Thomas B Stenqvist, Øystein Sylta, Anna Melin
Endurance athletes are at increased risk of relative energy deficiency associated with metabolic perturbation and impaired health. We aimed to estimate and compare within-day energy balance (WDEB) in male athletes with suppressed and normal resting metabolic rate (RMR) and explore if within-day energy deficiency (WDED) is associated with endocrine markers of energy deficiency. Thirty-one male cyclists, triathletes, and long-distance runners recruited from regional competitive sports clubs were included. The protocol comprised measurements of RMR by ventilated hood, and energy intake and energy expenditure to predict RMRratio (measured RMR/predicted RMR), energy availability (EA), 24-hour energy balance (EB) and WDEB in 1-hour intervals, assessment of body-composition by dual-energy X-ray absorptiometry, and blood plasma analysis...
February 6, 2018: International Journal of Sport Nutrition and Exercise Metabolism
https://www.readbyqxmd.com/read/29251536/collegiate-athletic-trainers-knowledge-of-the-female-athlete-triad-and-relative-energy-deficiency-in-sport
#8
Emily Kroshus, J D DeFreese, Zachary Y Kerr
CONTEXT:   The female athlete triad (Triad) and relative energy deficiency in sport (RED-S) specify the consequences of energy imbalance. Athletic trainers (ATs) are positioned to identify athletes who are fueling themselves inadequately and experiencing related health and performance consequences. OBJECTIVE:   To assess the knowledge of collegiate ATs about the Triad and RED-S and to examine variability in related screening and referral behaviors among National Collegiate Athletic Association divisions...
January 2018: Journal of Athletic Training
https://www.readbyqxmd.com/read/29205517/within-day-energy-deficiency-and-reproductive-function-in-female-endurance-athletes
#9
I L Fahrenholtz, A Sjödin, D Benardot, Å B Tornberg, S Skouby, J Faber, J K Sundgot-Borgen, A K Melin
We aimed to estimate and compare within-day energy balance (WDEB) in athletes with eumenorrhea and menstrual dysfunction (MD) with similar 24-hour energy availability/energy balance (EA/EB). Furthermore, to investigate whether within-day energy deficiency is associated with resting metabolic rate (RMR), body composition, S-cortisol, estradiol, T3 , and fasting blood glucose. We reanalyzed 7-day dietary intake and energy expenditure data in 25 elite endurance athletes with eumenorrhea (n = 10) and MD (n = 15) from a group of 45 subjects where those with disordered eating behaviors (n = 11), MD not related to low EA (n = 5), and low dietary record validity (n = 4) had been excluded...
March 2018: Scandinavian Journal of Medicine & Science in Sports
https://www.readbyqxmd.com/read/29117450/nutrition-strategies-before-and-during-ultra-endurance-event-a-significant-gap-between-science-and-practice
#10
S K Papadopoulou, E E Xyla, S Methenitis, K G Feidantsis, Y Kotsis, I G Pagkalos, M N Hassapidou
The purpose of this study was to investigate and assess the nutritional practices of open-water swimmers, during the preparation period and the competition, as well as their implications on performance and anthropometric parameters according to their age. Twenty-four (n = 24) men open-water swimmers, twelve young (26.3 ± 4.9 years) and twelve older athletes (45.8 ± 9.7 years), participated in this study. Nutritional behavior-energy intake consumption, and anthropometric characteristics were evaluated prior to the Toroneos Gulf crossing (26 km)...
March 2018: Scandinavian Journal of Medicine & Science in Sports
https://www.readbyqxmd.com/read/29071833/-amenorrhea-in-athletic-adolescents-the-tip-of-the-iceberg
#11
Martine Jacot-Guillarmod, Cécile Diserens
The female athletic triad refers to the interaction between menstrual function, energy availability and bone density. When an imbalance appears between energy input and output, the global health of the athletic teenager is at risk of somatic and/or psychological complications as defined by the RED-S (Relative Energy Deficiency in Sports). In athletic girls menstrual disorder should be seen as an alert. It may be difficult to distinguish it from menstrual irregularity due to immature hypothalamic-hyphophysic-gonadal axis, which can be physiological at that age...
October 25, 2017: Revue Médicale Suisse
https://www.readbyqxmd.com/read/28831686/food-versus-pharmacy-assessment-of-nutritional-and-pharmacological-strategies-to-improve-bone-health-in-energy-deficient-exercising-women
#12
REVIEW
Emily A Southmayd, Adelaide C Hellmers, Mary Jane De Souza
PURPOSE OF REVIEW: The review aims to summarize our current knowledge surrounding treatment strategies aimed at recovery of bone mass in energy-deficient women suffering from the Female Athlete Triad. RECENT FINDINGS: The independent and interactive contributions of energy status versus estrogen status on bone density, geometry, and strength have recently been reported, highlighting the importance of addressing both energy and estrogen in treatment strategies for bone health...
October 2017: Current Osteoporosis Reports
https://www.readbyqxmd.com/read/28745464/elite-athletes-and-pubertal-delay
#13
REVIEW
Karina Kapczuk
Intensive physical training and participation in competitive sports during childhood and early adolescence may affect athletes' pubertal development. On the other hand, pubertal timing, early or late, may impact on an athlete selection for a particular sport. Genetic predisposition, training load, nutritional status and psychological stress determine athletes' pubertal timing. Athletes that practice esthetic sports, especially gymnasts, are predisposed to a delay in pubertal development. The growing evidence indicates that energy deficiency, not a systemic training per se, plays a crucial role in the pathogenesis of functional hypothalamic hypogonadism in female athletes...
October 2017: Minerva Pediatrica
https://www.readbyqxmd.com/read/28737524/female-athlete-triad
#14
Meredith B Loveless
PURPOSE OF REVIEW: The obstetrician/gynecologist (ob/gyn) may be the first provider to have the opportunity to recognize and diagnose female athlete triad. This review will help the ob/gyn to understand the female athlete triad and what is new on this topic, how to screen and diagnose the condition and the ob/gyn's role in treatment. RECENT FINDINGS: Female athlete triad, also known as relative energy deficiency in sports, involves an interrelationship among energy availability, menstrual function and low bone density...
October 2017: Current Opinion in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/28665560/-female-athlete-triad-what-s-new
#15
Alexandra Nowak, Jean-Luc Ziltener, Silvia Bonfanti
The Relative Energy Deficiency in Sport has been suggested as the new and wider denomination of the Female athlete triad. This new terminology enables a wider approach to the different consequences of an insufficient energy intake amongst regular athletes. In fact, this energy dysbalance leads to a wider pathological phenomenon touching many systems (e.g. cardiovascular, psychological, hematological…). This designation is no longer restricted to the female gender, and now also includes men, whom are nowadays less affected or maybe only less assessed...
July 13, 2016: Revue Médicale Suisse
https://www.readbyqxmd.com/read/28435337/treatment-strategies-for-the-female-athlete-triad-in-the-adolescent-athlete-current-perspectives
#16
REVIEW
Jill Thein-Nissenbaum, Erin Hammer
Since the passage of Title IX in 1972, female sports participation has dramatically increased. The benefits of physical activity, including decreased risk for heart disease and diabetes as well as improved body image and self-esteem, far outweigh the risks. However, a select population of adolescent and young adult females may experience symptoms related to the female athlete triad (Triad), which refers to the interrelatedness of energy availability, menstrual function, and bone mineral density (BMD). These conditions often manifest clinically as disordered eating behaviors, menstrual irregularity, and stress fractures; an individual may suffer from 1 or all of the Triad components simultaneously...
2017: Open Access Journal of Sports Medicine
https://www.readbyqxmd.com/read/27631418/anthropometrics-and-body-composition-in-east-african-runners-potential-impact-on-performance
#17
REVIEW
Martin Mooses, Anthony C Hackney
Maximal oxygen uptake (V̇O2 max), fractional utilization of V̇O2 max during running, and running economy (RE) are crucial factors for running success for all endurance athletes. Although evidence is limited, investigations of these key factors indicate that East Africans' superiority in distance running is largely due to a unique combination of these factors. East African runners appear to have a very high level of RE most likely associated, at least partly, with anthropometric characteristics rather than with any specific metabolic property of the working muscle...
April 2017: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/27430502/low-energy-availability-in-exercising-women-historical-perspectives-and-future-directions
#18
REVIEW
Joanne Slater, Rachel Brown, Rebecca McLay-Cooke, Katherine Black
Research on the health of female athletes has developed substantially over the past 50 years. This review aims to provide an overview of this research and identify directions for future work. While early cross-sectional studies focused primarily on menstruation, research has progressed to now encompass hormonal changes, bone health and lipid profiles. The seminal work of Loucks and colleagues distinguished that these health concerns were due to low energy availability (LEA) rather than exercise alone. LEA occurs when the body has insufficient energy available to meet the needs of training and normal physiological functioning...
February 2017: Sports Medicine
https://www.readbyqxmd.com/read/27243823/effect-of-chronic-athletic-activity-on-brown-fat-in-young-women
#19
Vibha Singhal, Giovana D Maffazioli, Kate E Ackerman, Hang Lee, Elisa F Elia, Ryan Woolley, Gerald Kolodny, Aaron M Cypess, Madhusmita Misra
BACKGROUND: The effect of chronic exercise activity on brown adipose tissue (BAT) is not clear, with some studies showing positive and others showing negative associations. Chronic exercise is associated with increased resting energy expenditure (REE) secondary to increased lean mass and a probable increase in BAT. Many athletes are in a state of relative energy deficit suggested by lower fat mass and hypothalamic amenorrhea. States of severe energy deficit such as anorexia nervosa are associated with reduced BAT...
2016: PloS One
https://www.readbyqxmd.com/read/27017180/female-athlete-triad-or-relative-energy-deficiency-in-sports-red-s-is-there-a-difference
#20
Wendy Marcason
No abstract text is available yet for this article.
April 2016: Journal of the Academy of Nutrition and Dietetics
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