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https://www.readbyqxmd.com/read/29352373/sleep-interventions-designed-to-improve-athletic-performance-and-recovery-a-systematic-review-of-current-approaches
#1
REVIEW
Daniel Bonnar, Kate Bartel, Naomi Kakoschke, Christin Lang
BACKGROUND: Athletes experience various situations and conditions that can interfere with their sleep, which is crucial for optimal psychological and physiological recovery as well as subsequent performance. Conventional sleep screening and intervention approaches may not be efficacious for athletes given their lifestyle, the demands of training and travel associated with interstate/international competition. OBJECTIVES: The present systematic review aimed to summarize and evaluate sleep intervention studies targeting subsequent performance and recovery in competitive athletes...
January 20, 2018: Sports Medicine
https://www.readbyqxmd.com/read/29345524/recovery-and-performance-in-sport-consensus-statement
#2
Michael Kellmann, Maurizio Bertollo, Laurent Bosquet, Michel Brink, Aaron Coutts, Rob Duffield, Daniel Erlacher, Shona Halson, Anne Hecksteden, Jahan Heidari, Romain Meeusen, Iñigo Mujika, Claudio Robazza, Sabrina Skorski, Ranel Venter, Jürgen Beckmann
The relationship between recovery and fatigue and its impact on performance has attracted the interest of sports science for many years. An adequate balance between stress (training and competition load, other life demands) and recovery is essential for athletes to achieve continuous high-level performance. Research has focused on the examination of physiological and psychological recovery strategies to compensate external and internal training and competition loads. A systematic monitoring of recovery and the subsequent implementation of recovery routines aims at maximizing performance and preventing negative developments such as underrecovery, non-functional overreaching, the overtraining syndrome, injuries, or illnesses...
January 18, 2018: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/29345167/dietary-supplements-for-health-adaptation-and-recovery-in-athletes
#3
Eric S Rawson, Mary P Miles, D Enette Larson-Meyer
Some dietary supplements are recommended to athletes based on data that supports improved exercise performance. Other dietary supplements are not ergogenic per se, but may improve health, adaptation to exercise, or recovery from injury, and so could help athletes to train and/or compete more effectively. In this review, we describe several dietary supplements that may improve health, exercise adaptation, or recovery. Creatine monohydrate may improve: recovery from and adaptation to intense training, recovery from periods of injury with extreme inactivity, cognitive processing, and reduce severity of or enhance recovery from mild traumatic brain injury (mTBI)...
January 18, 2018: International Journal of Sport Nutrition and Exercise Metabolism
https://www.readbyqxmd.com/read/29345166/effects-of-coffee-components-on-muscle-glycogen-recovery-a-systematic-review
#4
Laís Monteiro Rodrigues Loureiro, Caio Eduardo Gonçalves Reis, Teresa Helena Macedo da Costa
Coffee is one of the most consumed beverages in the world and it can improve insulin sensitivity, stimulating glucose uptake in skeletal muscle when adequate carbohydrate intake is observed. The aim of this review is to analyze the effects of coffee and coffee components on muscle glycogen metabolism. A literature search was conducted according to PRISMA and seven studies were included. They explored the effects of coffee components on various substances and signaling proteins. In one of the studies with humans, caffeine was shown to increase glucose levels, Ca2+/calmodulin-dependent protein kinase (CaMK) phosphorylation, glycogen resynthesis rates and glycogen accumulation after exercise...
January 18, 2018: International Journal of Sport Nutrition and Exercise Metabolism
https://www.readbyqxmd.com/read/29343237/subtypes-in-clinical-burnout-patients-enrolled-in-an-employee-rehabilitation-program-differences-in-burnout-profiles-depression-and-recovery-resources-stress-balance
#5
Kathrin Bauernhofer, Daniela Bassa, Markus Canazei, Paulino Jiménez, Manuela Paechter, Ilona Papousek, Andreas Fink, Elisabeth M Weiss
BACKGROUND: Burnout is generally perceived a unified disorder with homogeneous symptomatology across people (exhaustion, cynicism, and reduced professional efficacy). However, increasing evidence points to intra-individual patterns of burnout symptoms in non-clinical samples such as students, athletes, healthy, and burned-out employees. Different burnout subtypes might therefore exist. Yet, burnout subtypes based on burnout profiles have hardly been explored in clinical patients, and the samples investigated in previous studies were rather heterogeneous including patients with various physical, psychological, and social limitations, symptoms, and disabilities...
January 17, 2018: BMC Psychiatry
https://www.readbyqxmd.com/read/29340006/the-impact-of-the-progressive-efficiency-test-on-a-rowing-ergometer-on-white-blood-cells-distribution-and-clinical-chemistry-changes-in-paralympic-rowers-during-the-preparatory-stage-before-the-paralympic-games-in-rio-2016-a-case-report
#6
Robert Nowak, Rafał Buryta, Krzysztof Krupecki, Tomasz Zając, Marek Zawartka, Patrizia Proia, Dorota Kostrzewa-Nowak
There is a large gap in knowledge regarding research on post-exercise blood changes in disabled athletes. There are relatively few data on adaptive mechanisms to exercise in disabled athletes, including disabled rowers. Two rowers from a Polish adaptive rowing settle TAMix2x that qualified for the Paralympic Games in Rio, 2016 took part in this study. They performed a progressive test on a rowing ergometer until exhaustion. The cardiorespiratory fitness measures, complete blood count, white blood cells' distribution and 30 clinical chemistry variables describing laboratory diagnostic profiles and general health were determined...
December 2017: Journal of Human Kinetics
https://www.readbyqxmd.com/read/29337721/continuing-play-symptom-severity-and-symptom-duration-after-concussion-in-youth-athletes
#7
David R Howell, Michael J OʼBrien, Joana Fraser, William P Meehan
OBJECTIVE: To determine whether continuing to play after a concussion is associated with higher symptom burden or prolonged symptom duration. DESIGN: Patients who presented for care at a sport concussion clinic within the first 3 weeks of injury were asked whether they continued to play immediately after their injury. SETTING: Sport concussion clinic within a regional tertiary care hospital. MAIN OUTCOME MEASURES: Clinical outcomes including symptom severity, symptom duration, age, time from injury-clinical presentation, sex, sport type, previous concussion history, and whether or not they experienced loss of consciousness or amnesia at the time of injury were recorded...
January 15, 2018: Clinical Journal of Sport Medicine: Official Journal of the Canadian Academy of Sport Medicine
https://www.readbyqxmd.com/read/29337649/neurocognitive-deficits-associated-with-adhd-in-athletes-a-systematic-review
#8
Poyrung Poysophon, Ashwin L Rao
CONTEXT: Attention deficit hyperactivity disorder (ADHD) is a common childhood disorder and is frequently diagnosed in young adults. Emerging studies suggest a relationship between ADHD and concussion. OBJECTIVE: To determine whether athletes with ADHD are at increased risk for neurocognitive deficits related to concussion risk, symptom reporting, and recovery. DATA SOURCES: A comprehensive search of PubMed, CINAHL, PsychInfo, and Cochrane Library databases was performed...
January 1, 2018: Sports Health
https://www.readbyqxmd.com/read/29336208/the-effects-of-sex-differences-and-hormonal-contraception-on-outcomes-following-collegiate-sports-related-concussion
#9
Virginia Terwilliger Gallagher, Natalie Kramer, Kristin Abbott, John Alexander, Hans Breiter, Amy Herrold, Tory Lindley, Jeffrey Mjaanes, James Reilly
There is conflicting evidence regarding whether females are more adversely affected following concussion relative to males. Further, recent research suggests hormonal contraceptive (HC) use may affect symptom severity and duration post-concussion. The objective of this study was to examine the effects of sex and HC use on outcomes following concussion among collegiate varsity athletes. We hypothesized females would have longer length of recovery (LOR) and peak symptom severity would be associated with longer length of recovery in both males and females...
January 16, 2018: Journal of Neurotrauma
https://www.readbyqxmd.com/read/29335765/wastewater-based-tracing-of-doping-use-by-the-general-population-and-amateur-athletes
#10
Ana Causanilles, Vera Nordmann, Dennis Vughs, Erik Emke, Olivier de Hon, Félix Hernández, Pim de Voogt
The present study investigates the applicability of the chemical analysis of wastewater to assess the use of doping substances by the general population and amateur athletes. To this end, an analytical methodology that can identify and quantify a list of 15 substances from the groups of anabolic steroids, weight loss products, and masking agents in wastewater has been developed. The method uses solid phase extraction to increase the detection sensitivity of the target analytes, expected to be present at very low concentrations (ng L-1 range), and decrease possible matrix interferences...
January 15, 2018: Analytical and Bioanalytical Chemistry
https://www.readbyqxmd.com/read/29332469/balance-regularity-among-former-high-school-football-players-with-or-without-a-history-of-concussion
#11
Julianne D Schmidt, Douglas P Terry, Jihyun Ko, Karl M Newell, L Stephen Miller
CONTEXT:   Subclinical postural-control changes may persist beyond the point when athletes are considered clinically recovered postconcussion. OBJECTIVE:   To compare postural-control performance between former high school football players with or without a history of concussion using linear and nonlinear metrics. DESIGN:   Case-control study. SETTING:   Clinical research laboratory. PATIENTS OR OTHER PARTICIPANTS:   A total of 11 former high school football players (age range, 45-60 years) with 2 or more concussions and 11 age- and height-matched former high school football players without a history of concussion...
January 13, 2018: Journal of Athletic Training
https://www.readbyqxmd.com/read/29326904/effects-of-habitual-smoking-on-cardiopulmonary-function-in-taekwondo-athletes
#12
Dong-Jin Jang, Hee-Cheol Kim, Jae-Kyung Kim, Sun-Young Jung, Dae-Young Kim
This study aimed to verify habitual smoking effects on cardiopulmonary function in taekwondo athletes. Subjects were university taekwondo athletes aged 20-24 years in nonsmoker (n= 9) and smoker (n= 6) groups. Subjects underwent an exercise examination for their ventilation threshold, minute ventilation, oxygen uptake, maximum volume of minute oxygen consumption, heart rate, and oxygen pulse during exercise and 1, 3, and 5 min after maximum exercise. The time of reaching the ventilation threshold was significantly higher in nonsmokers than in smokers...
December 2017: Journal of Exercise Rehabilitation
https://www.readbyqxmd.com/read/29325894/reference-values-for-the-creatine-kinase-response-to-professional-australian-football-match-play
#13
Luke A G Inman, Michael J Rennie, Mark L Watsford, Nathan J Gibbs, James Green, Robert W Spurrs
OBJECTIVES: Due to the importance of monitoring markers of muscle damage in high-level sport from a medical and athlete recovery perspective, this study aimed to determine the upper limits of normal (ULN) for post-match plasma creatine kinase (CK) in professional Australian footballers. Raw CK values were considered, along with intra-individual deviations from the season-mean. DESIGN: Case series. METHODS: CK was collected between 36-48h following professional Australian football match-play...
December 30, 2017: Journal of Science and Medicine in Sport
https://www.readbyqxmd.com/read/29324576/intermittent-cooling-during-judo-training-in-a-warm-humid-environment-reduces-autonomic-and-hormonal-impact
#14
Eduardo Carballeira, José Morales, David H Fukuda, María L Granada, Vicente Carratalá-Deval, Alfonso López Díaz de Durana, Jeffrey R Stout
The purpose of this study was to identify the effects of superficial cooling on physiological responses while training in a warm, humid environment during an international judo training camp. Sixteen judokas (8 women and 8 men) participated in the experiment. Four high-level women and four men were randomly assigned to wear a cooling vest (vest group, VG) during the recovery periods within a training session (i.e. 8 bouts of 5 min fighting with 5 min rest) and up to 10 min after the session, while the remaining athletes in the control group (CG) trained without the use of any cooling aids...
January 5, 2018: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29324186/impact-of-sodium-citrate-ingestion-during-recovery-after-dehydrating-exercise-on-rehydration-and-subsequent-40-km-cycling-time-trial-performance-in-the-heat
#15
Silva Suvi, Martin Mooses, Saima Timpmann, Luule Medijainen, Daria Narõškina, Eve Unt, Vahur Ööpik
The purpose of this study was to assess the impact of sodium citrate (CIT) ingestion (600 mg·kg<sup>‒1</sup>) during recovery from dehydrating cycling exercise (DE) on subsequent 40-km cycling performance in a warm environment (32 °C). Twenty male non-heat-acclimated endurance athletes exercised in the heat until 4% body mass (BM) loss occurred. After 16 h recovery with consumption of water ad libitum and prescribed diet (evening meal 20 kcal·kg<sup>‒1</sup>, breakfast 12 kcal·kg<sup>‒1</sup>) supplemented in a double-blind, randomized, crossover manner with CIT or placebo (PLC), they performed 40-km time-trial (TT) on a cycle ergometer in a warm environment...
January 11, 2018: Applied Physiology, Nutrition, and Metabolism, Physiologie Appliquée, Nutrition et Métabolisme
https://www.readbyqxmd.com/read/29313427/melatonin-therapy-for-blunt-trauma-and-strenuous-exercise-a-mechanism-involving-cytokines-nf%C3%AE%C2%BAb-akt-mafbx-and-murf-1
#16
Gerald J Maarman, Russel J Reiter
Muscle injury occurs due to trauma, strenuous exercise or sports activities; most people affected are athletes. Ineffectively treated muscle injury can negatively affect sports careers and quality of life after retirement from sports. Reports have indicated that the current therapeutic management of muscle injury, particularly anti-inflammatory drugs, are not necessarily effective. Therefore, better therapies are required. Accumulating evidence has demonstrated melatonin's potent antioxidant and anti-inflammatory actions against muscle pathology in sarcopenia or atrophy in systemic disease...
January 9, 2018: Journal of Sports Sciences
https://www.readbyqxmd.com/read/29313111/long-term-swimming-training-modifies-acute-immune-cell-response-to-a-high-intensity-session
#17
José P Morgado, Cristina P Monteiro, Catarina N Matias, Joana F Reis, Júlia Teles, Maria José Laires, Francisco Alves
PURPOSE: Long-term training influence on athletes' immune cell response to acute exercise has been poorly studied, despite the complexity of both chronic and acute adaptations induced by training. The purpose of the study is to study the influence of a 4-month swimming training cycle on the immune cell response to a high-intensity training session, during 24 h of recovery, considering sex, maturity, and age group. METHODS: Forty-three swimmers (16 females, 14.4 ± 1...
January 8, 2018: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/29304972/editorial-commentary-adult-stem-cell-potential-to-enhance-healing-of-the-anterior-cruciate-ligament
#18
EDITORIAL
Monique C Chambers, Freddie H Fu
Even with the most accurate individualized, anatomic approach to anterior cruciate ligament (ACL) reconstruction, the potential for graft failure still exists, with reported retear rates as low as 5%, and even higher in female athletes or patients reconstructed with allograft. ACL graft healing is dependent on several factors, including anatomic placement, appropriate graft choice, proper technique, recovery time, and the biological environment of nature. If the double-bundle concept is followed and individualized for each patient's anatomic morphology, the ACL will biologically reform...
January 2018: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/29299877/cocoa-flavanol-supplementation-and-exercise-a-systematic-review
#19
REVIEW
Lieselot Decroix, Danusa Dias Soares, Romain Meeusen, Elsa Heyman, Cajsa Tonoli
BACKGROUND: Cocoa flavanols (CFs) have antioxidant and anti-inflammatory capacities and can improve vascular function. It has recently been suggested that CF intake may improve exercise performance and recovery. This systematic review aimed to evaluate the literature on the effects of CF intake on exercise performance and recovery and exercise-induced changes in vascular function, cognitive function, oxidative stress, inflammation, and metabolic parameters. METHODS: Two electronic databases (Pubmed and Web of Science) were searched for studies examining the combination of CF intake and exercise in humans (up to 28 March 2017)...
January 3, 2018: Sports Medicine
https://www.readbyqxmd.com/read/29276716/lived-experiences-of-adolescent-athletes-following-sport-related-concussion
#20
Tamara C Valovich McLeod, Alyssa J Wagner, Cailee E Welch Bacon
Background: Previous studies have identified the effect of sport-related concussion on health-related quality of life through the use of patient-reported outcome measures. However, there has been little research exploring the underlying mechanisms that influence these perceptions of health-related quality of life among adolescent athletes who have sustained a sport-related concussion. Purpose: To explore the psychosocial aspects of concussion among adolescent athletes...
December 2017: Orthopaedic Journal of Sports Medicine
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