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Sports Performance Supplement

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181. The effects of a carbohydrate-protein gel supplement on alpine slalom ski performance. (PubMed)

The effects of a carbohydrate-protein gel supplement on alpine slalom ski performance. Alpine slalom ski racing is a high intensity, complex sport in which racers execute turns every second. Acute fatigue can make the difference in not finishing a run (DNF) or finishing out of contention. The quantity and quality of training often dictates racing success. It is not known if nutritional supplementation can improve performance in this high intensity, short duration activity. The objective (...) -ception of effort was less than skiers who ingested a placebo. Key pointsNutritional supplementation with a carbohydrate/protein sports gel during high intensity ski training improved training volume as measured by the number gates completed.Supplementation also reduced the number of DNF's during training.Racers' perception of effort was significantly lower with the supplement ingestion compared to a non-caloric placebo.This applied study was conducted under real life field conditions and training

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2012 Journal of sports science & medicine Controlled trial quality: uncertain

182. Is Supplementation Critical For Cognitive Improvement Seen With Exercise

these supplements unless your doctor approves it. This is also the first study that performed exercise following a supplementation period. This study brought forth many more questions than it answered. As I have alluded to in earlier posts on nutrition has a role in minimizing our risk for certain chronic diseases. Exercise seems to be the best prescription to minimize the risk for suffering from chronic disease. It may prove to be true that the requires nutritional support beyond a healthy diet. This previous (...) studies to see if other forms of nutritional supplementation, or exercise + nutritional supplementation led to an improvement in cognitive function and muscle performance. It is worth reading. The authors found that supplements such as flavanols (Cocoa), EVOO + Mediterranean diet, fish oil and others produced an improvement in memory, cognition and muscular performance. These papers brings us one very small step closer to seeing the interplay between supplementation and cognitive benefits after

2019 Howard J. Luks, MD blog

183. Part 2: Health, Hormones and Human Performance take centre stage

Part 2: Health, Hormones and Human Performance take centre stage Part 2: Health, Hormones and Human Performance take centre stage | BJSM blog - social media's leading SEM voice by By Dr Nicky Keay Chair of BASEM Spring Conference 2018 Endocrine and Metabolic aspects of Sports and Exercise Medicine (SEM) are crucial determinants of health and human performance, from the reluctant exerciser through to the elite athlete and the professional dancer. This is what the recent BASEM spring conference (...) effects on health and athletic performance. Male and female athletes: insufficient energy availability An imbalance in training load and nutrition can manifest as the female athlete triad, which has now evolved into relative energy deficiency in sports (RED-S) in recognition of the fact that Endocrine feedback loops are disrupted across many hormonal axes, not just the reproductive axis. And, significantly, acknowledging the fact that males athletes can also be impacted by insufficient energy

2018 British Journal of Sports Medicine Blog

184. Prevalence, knowledge and attitude of prohibited substances use (doping) among Saudi sport players (PubMed)

were visted in 18 cities from all regions of Saudi Arabia).A total of 1142 male sport players were interviewed with main age of 24. The prevalence of using prohibited substances (doping) was 4.3 %. The main reason for using prohibited substances was to improve performance (69 %). The prevalence of using food supplements (not prohibited) was 38.4 %. Among the players, 30 % of them believe that such behavior is against the spirit of sport while 70 % of the players are aware of punishment against (...) doping. 65 % of players admitted that they received advice on prohibited substances. Higher rate of using prohibited substances (doping) among Saudi players was associated with low education, age below 20 years, previous use of food supplements and lack of punishment awareness.Using prohibited substances (doping) among Saudi sport players is common. Players believe that such use is against the spirit of the sport and they are aware about its punishment, despite this, they are still using prohibited

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2016 Substance abuse treatment, prevention, and policy

185. Gender differences and access to a sports dietitian influence dietary habits of collegiate athletes (PubMed)

and practices. Topics queried included eating habits, breakfast habits, hydration habits, nutritional supplementation use, pre-workout nutrition, post-workout nutrition, nutrition during team trips, and nutrient timing. Data were sorted by the athlete's source of nutritional information (i.e., sport dietitian, other). Data analysis consisted of descriptive statistics and 2-way Pearson X2 analyses (p ≤ 0.10).When a SD was indicated as the primary nutrition information source, athletes appeared to have (...) Gender differences and access to a sports dietitian influence dietary habits of collegiate athletes Limited research exists on the effect of a sports dietitian (SD) on athletes' dietary habits and nutrient periodization, which is the deliberate manipulation of macronutrient intake to match training goals. Further, the difference in dietary habits between men and women collegiate athletes has been understudied. A survey questionnaire examining dietary habits and practices was administered

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2016 Journal of the International Society of Sports Nutrition

186. [Effects of branched amino acids in endurance sports: a review]. (PubMed)

[Effects of branched amino acids in endurance sports: a review]. The report issued by the European Food Safety Agency (EFSA) in 2010 on nutrition and health claims, shows that there is no scientific evidence to support supplementation with branched chain amino acids (BCAAs). The aim of this study is to analyze the effects of consumption of BCAAs in endurance sports.A literature review on the current state of the effect of consumption of dietary supplements of BCAAs. We conducted a search (...) in the PubMed database and snowball strategy.Spanish / English randomized clinical trial related to the consumption of BCAAs, leucine, valine and isoleucine in endurance sports and its effects on muscle damage, athletic performance, central fatigue, anabolic signals during recovery and immune system response published in any country until May 2014.Out of 330 studies identified, 14 met the inclusion criteria. The mean of subjects participating in the study was (11.36±7.43). Only two studies included a group

2015 Nutrición hospitalaria : organo oficial de la Sociedad Española de Nutrición Parenteral y Enteral

187. Doping Attitudes and Covariates of Potential Doping Behaviour in High-Level Team-Sport Athletes; Gender Specific Analysis (PubMed)

Doping Attitudes and Covariates of Potential Doping Behaviour in High-Level Team-Sport Athletes; Gender Specific Analysis Team sports are rarely studied with regard to doping behaviour and doping-related factors regardless of their global popularity. This study aimed to investigate doping factors and covariates of potential doping behaviour in high-level team-sport athletes. The subjects were 457 high-performing, national- and international-level athletes (21.9 ± 3.4 years of age; 179 females (...) ) involved in volleyball (n = 77), soccer (n = 163), basketball (n = 114) and handball (n = 103). Previously validated self-administered questionnaires aimed at evidencing sport factors, doping-related factors, knowledge on sport nutrition and doping, and attitudes to performance enhancement were used. The results indicated a higher doping likelihood in male athletes, with a significant gender difference for basketball and handball. In males, a higher doping likelihood is found for athletes who had

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2016 Journal of sports science & medicine

188. ACR-ASNR-SPR Practice Guideline for the Performance of Magnetic Resonance Imaging (MRI) of the Head and Neck

ACR-ASNR-SPR Practice Guideline for the Performance of Magnetic Resonance Imaging (MRI) of the Head and Neck PRACTICE GUIDELINE MRI Head and Neck / 1 The American College of Radiology, with more than 30,000 members, is the principal organization of radiologists, radiation oncologists, and clinical medical physicists in the United States. The College is a nonprofit professional society whose primary purposes are to advance the science of radiology, improve radiologic services to the patient (...) and technical standards recognize that the safe and effective use of diagnostic and therapeutic radiology requires specific training, skills, and techniques, as described in each document. Reproduction or modification of the published practice guideline and technical standard by those entities not providing these services is not authorized. Revised 2012 (Resolution 19)* ACR –ASNR –SPR PRACTICE GUIDELINE FOR THE PERFORMANCE OF MAGNETIC RESONANCE IMAGING (MRI) OF THE HEAD AND NECK PREAMBLE These guidelines

2012 American Society of Neuroradiology

189. Evaluation of congruence among dietary supplement use and motivation for supplementation in young, Canadian athletes (PubMed)

function (p < 0.01), but were more strongly associated with performance reasons, as were performance foods (protein powder, sport bars, sport gels, etc.). Plant extracts and fatty acids were primarily associated with health reasons, particularly immune support (p < 0.001).Congruencies exist between performance rationales and supplementation for common ergogenic aids, however, less so for vitamin and mineral supplements, vitamin-enriched water, and plant extracts. Incongruences were found between fatty (...) % club or provincial level, 24% national or higher) completed a questionnaire designed to assess supplementation patterns and motivation for supplementation. Chi square tests examined associations between dietary supplements and self-reported rationale for use.Vitamin and mineral supplements, including vitamin-enriched water, were associated with several health- and performance- related reasons (p < 0.001). Branched chain amino acids (BCAA) and glutamine were linked to improving diet and immune

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2015 Journal of the International Society of Sports Nutrition

190. Essential Features of Third-Party Certification Programs for Dietary Supplements: A Consensus Statement. (PubMed)

Essential Features of Third-Party Certification Programs for Dietary Supplements: A Consensus Statement. The presence of performance-enhancing drugs in dietary supplements poses serious anti-doping and health risks to athletes and military service members. A positive drug test, suboptimal health, or adverse event can ruin a career in either setting. These populations need to be certain in advance that a product is of high quality and free from performance-enhancing drugs and other banned (...) has its own quality assurance program with varying testing components. It is difficult for consumers in the sport and military settings to assess whether a particular certification program reduces the risks enough so that they can use a product with confidence. This article puts forward the consensus of the authors on current best practices for third-party certification programs for dietary supplements consumed by athletes and military service members. Also discussed are important ways that third

2019 Current Sports Medicine Reports

191. Effect of tart cherry juice on recovery and next day performance in well-trained Water Polo players. (PubMed)

the effect of supplemental tart cherry juice (CJ) on recovery and next day athletic performance in highly-trained water-based team sport athletes over seven days.In a randomised, double-blind, repeated measures, crossover design, nine male Water Polo athletes were supplemented with CJ or a placebo equivalent (PLA) for six consecutive days. Prior to, and at the completion of the supplementation period, water-based performance testing was conducted. On day 6, participants also undertook a fatiguing (...) Effect of tart cherry juice on recovery and next day performance in well-trained Water Polo players. Tart Montmorency cherries contain high concentrations of phytochemicals and anthocyanins, which have recently been linked to improved athletic recovery and subsequent performance. To date however, previous work reporting promising results has focused on land-based endurance sports, with any potential benefits to team sports remaining unknown. As such, this investigation set-out to examine

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2017 Journal of the International Society of Sports Nutrition Controlled trial quality: uncertain

192. Physiological and performance effects of carbohydrate gels consumed prior to the extra-time period of prolonged simulated soccer match-play. (PubMed)

velocity and 30-m repeated sprint maintenance) also reduced by >3% during half-time (all p<0.05).Carbohydrate-electrolyte gel ingestion raised blood glucose concentrations and improved dribbling performance during the extra-time period of simulated soccer match-play. Supplementation did not attenuate reductions in physical performance and hydration status that occurred during extra-time.Copyright © 2015 Sports Medicine Australia. Published by Elsevier Ltd. All rights reserved. (...) blood glucose concentrations by 0.7±0.8mmoll(-1) during extra-time (both p<0.01). Supplementation did not affect sprint velocities (15m and 30m), 30-m sprint maintenance or dribbling speed as reductions compared to 0-15min values occurred at 105-120min irrespective of trial (all p<0.05). Plasma osmolality and blood sodium concentrations increased post-exercise vs. the opening 15min (p<0.05) but no effect of supplementation existed. Selected markers of physical performance (jump height, 30-m sprint

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2017 Journal of Science and Medicine in Sport Controlled trial quality: uncertain

193. Fit with good fat? The role of n-3 polyunsaturated fatty acids on exercise performance (PubMed)

Fit with good fat? The role of n-3 polyunsaturated fatty acids on exercise performance N-3 PUFA (n-3) polyunsaturated fatty acids (PUFA) are a family of fatty acids mainly found in oily fish and fish oil supplements. The effects of n-3 PUFA on health are mainly derived from its anti-inflammatory proprieties and its influence on immune function. Lately an increased interest in n-3 PUFA supplementation has reached the world of sport nutrition, where the majority of athletes rely on nutrition (...) strategies to improve their training and performance. A vast amount of attention is paid in increasing metabolic capacity, delaying the onset of fatigue, and improving muscle hypertrophy and neuromuscular function. Nutritional strategies are also frequently considered for enhancing recovery, improving immune function and decreasing oxidative stress. The current review of the literature shows that data regarding the effects of n-3PUFA supplementation are conflicting and we conclude

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2017 Metabolism

194. Oral Adenosine-5'-triphosphate (ATP) Administration Increases Postexercise ATP Levels, Muscle Excitability, and Athletic Performance Following a Repeated Sprint Bout. (PubMed)

Oral Adenosine-5'-triphosphate (ATP) Administration Increases Postexercise ATP Levels, Muscle Excitability, and Athletic Performance Following a Repeated Sprint Bout. Oral adenosine-5'-triphosphate (ATP) administration has failed to increase plasma ATP levels; however, chronic supplementation with ATP has shown to increase power, strength, lean body mass, and blood flow in trained athletes. The purpose of this study was to investigate the effects of ATP supplementation on postexercise ATP (...) supplementation, and immediately following exercise.Oral ATP supplementation prevented a drop in ATP, adenosine-5'-diphosphate (ADP), and adenosine-5'-monophosphate (AMP) levels postexercise (p < 0.05). No group by time interaction was observed for muscle activation. Following the supplementation period, muscle excitability significantly decreased in later bouts 8, 9, and 10 in the placebo group (-30.5, -28.3, and -27.9%, respectively; p < 0.02), whereas ATP supplementation prevented the decline in later

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2017 Journal of the American College of Nutrition Controlled trial quality: uncertain

195. Fueling for Performance (PubMed)

may be either trying to gain lean muscle mass, lose fat, or maintain their current weight.An athlete will have different macronutrient goals depending on sport, timing of exercise, and season status. There are no specific athletic micronutrient guidelines, but testing should be considered for athletes with deficiency or injury. Also, some athletes who eliminate certain whole food groups (eg, vegetarian) may need to supplement their diet to avoid deficiencies. (...) Fueling for Performance Proper nutrition is crucial for an athlete to optimize his or her performance for training and competition. Athletes should be able to meet their dietary needs through eating a wide variety of whole food sources.PubMed was searched for relevant articles published from 1980 to 2016.Clinical review.Level 4.An athlete should have both daily and activity-specific goals for obtaining the fuel necessary for successful training. Depending on the timing of their season, athletes

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2017 Sports health

196. The Effects of Caffeine, Taurine or Caffeine-Taurine Co-Ingestion on Repeat-Sprint Cycling Performance and Physiological Responses. (PubMed)

The Effects of Caffeine, Taurine or Caffeine-Taurine Co-Ingestion on Repeat-Sprint Cycling Performance and Physiological Responses. To investigate the effects of caffeine (C), taurine (T), caffeine and taurine coingestion (C +T), or placebo (P) on repeated Wingate cycling performance and associated physiological responses.Seven male team-sport players participated in a randomized, single-blind, crossover study, where they completed 3 Wingate tests, each separated by 2 min, an hour after (...) ingesting: C (5 mg/kg body mass [BM]), T (50 mg/kg BM), C +T (5 mg/kg BM + 50 mg/kg BM), or P (5 mg/kg BM) in a gelatin capsule. Performance was measured on an ergometer, and blood lactate, perceived exertion, heart rate (HR), mean arterial pressure (MAP), and rate pressure product (RPP) were measured at rest (presupplement), baseline (1 h postsupplement), and during and after exercise.Magnitude-based inferences revealed that all of the supplements increased (small to moderate, likely to very likely

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2017 International journal of sports physiology and performance Controlled trial quality: uncertain

197. Efficacy of Probiotics on Physical Performance

performance Condition or disease Intervention/treatment Phase Physical Performance Dietary Supplement: Probiotic supplement Dietary Supplement: Placebo Not Applicable Study Design Go to Layout table for study information Study Type : Interventional (Clinical Trial) Actual Enrollment : 53 participants Allocation: Randomized Intervention Model: Parallel Assignment Masking: Quadruple (Participant, Care Provider, Investigator, Outcomes Assessor) Primary Purpose: Prevention Official Title: Efficacy (...) of Probiotics on Physical Performance Actual Study Start Date : August 14, 2017 Actual Primary Completion Date : May 9, 2018 Actual Study Completion Date : May 9, 2018 Resource links provided by the National Library of Medicine related topics: Arms and Interventions Go to Arm Intervention/treatment Active Comparator: Probiotic supplement Dietary Supplement: Probiotic supplement Probiotic supplement Placebo Comparator: Placebo Dietary Supplement: Placebo Placebo Outcome Measures Go to Primary Outcome

2017 Clinical Trials

198. Guanidinoacetic Acid With Creatine Compared With Creatine Alone for Tissue Bioenergetics, Hyperhomocysteinemia and Exercise Performance

Exclusion Criteria: serum homocysteine > 15 µmol/L use of dietary supplement (> 1 month) Contacts and Locations Go to Information from the National Library of Medicine To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor. Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT03350282 Sponsors and Collaborators University of Novi Sad, Faculty of Sport and Physical Education Investigators (...) Guanidinoacetic Acid With Creatine Compared With Creatine Alone for Tissue Bioenergetics, Hyperhomocysteinemia and Exercise Performance Guanidinoacetic Acid With Creatine Compared With Creatine Alone for Tissue Bioenergetics, Hyperhomocysteinemia and Exercise Performance - Full Text View - ClinicalTrials.gov Hide glossary Glossary Study record managers: refer to the if submitting registration or results information. Search for terms x × Study Record Detail Saved Studies Save this study Warning

2017 Clinical Trials

199. Effects of Microencapsulated Sublingual Glycine (Bidicin) on Cognitive Performance in Healthy Men After an Acute Stressor

testing will be performed in connection with the Trier Social Stress Test (TSST). Condition or disease Intervention/treatment Phase Healthy Stress, Psychological Cognitive Impairment Dietary Supplement: Microencapsulated Sublingual Glycine (MSG) Dietary Supplement: Placebo Not Applicable Detailed Description: Stress can enhance or impair memory performances depending on the timing of the stressor and the timing of the memory processes in relation to the stressor. If stress occurs directly before (...) tablet prior to TSST; 1 tablet after the TSST Dietary Supplement: Microencapsulated Sublingual Glycine (MSG) Glycine (MSG) tablet Other Name: Bidicin Placebo Comparator: Placebo Lactose: 1 tablet prior to TSST; 1 tablet after the TSST Dietary Supplement: Placebo Lactose tablet manufactured to mimic Glycine (MSG) tablet No Intervention: No treatment Outcome Measures Go to Primary Outcome Measures : Delayed memory performance after the TSST (correct words) [ Time Frame: 20 minutes after second product

2017 Clinical Trials

200. Hydration and Exercise Performance in Cycling

will evaluate the effects manipulating ingested fluids can have on hydration status and cycling performance. There will be 4 different conditions. Condition or disease Intervention/treatment Phase Healthy Dietary Supplement: Hypotonic Dietary Supplement: Isotonic Dietary Supplement: Placebo Other: Dehydrated Not Applicable Detailed Description: Being dehydrated can decrease endurance exercise performance. The investigators wish to test which of three drinks is most effective at re-hydrating cyclists (...) and if this affects performance. Subjects will undertake 4 tests: once dehydrated, once hydrated with water, once hydrated with a sports-specific drink, and once with an altered sports drink. Blood samples will be taken and expired gasses will be sampled at various time points throughout the tests for later analysis. A small amount of labelled water will be consumed with each drink, a technique which will allow us to quantify the absorption of each of the drinks. Study Design Go to Layout table for study

2017 Clinical Trials

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