R J Maughan

Summary

Affiliation: Loughborough University
Country: UK

Publications

  1. ncbi Gastric emptying and fluid availability after ingestion of glucose and soy protein hydrolysate solutions in man
    Ronald J Maughan
    School of Sport and Exercise Sciences, Loughborough University, Loughborough LE11 3TU, UK
    Exp Physiol 89:101-8. 2004
  2. ncbi Errors in the estimation of hydration status from changes in body mass
    Ronald J Maughan
    School of Sport and Exercise Sciences, Loughborough University, Loughborough, UK
    J Sports Sci 25:797-804. 2007
  3. doi Hydration, morbidity, and mortality in vulnerable populations
    Ronald J Maughan
    School of Sport, Exercise and Health Sciences, Loughborough University, Loughborough, UK
    Nutr Rev 70:S152-5. 2012
  4. doi Investigating the associations between hydration and exercise performance: methodology and limitations
    Ronald J Maughan
    Loughborough University, School of Sport, Exercise and Health Sciences, Loughborough, UK
    Nutr Rev 70:S128-31. 2012
  5. doi Hydration and performance during Ramadan
    R J Maughan
    School of Sport, Exercise and Health Sciences, Loughborough University, Loughborough, Leicestershire, LE11 3TU, United Kingdom
    J Sports Sci 30:S33-41. 2012
  6. ncbi Exercise, heat, hydration and the brain
    R J Maughan
    School of Sport and Exercise Sciences, Loughborough University, Leicestershire LE11 3TU, United Kingdom
    J Am Coll Nutr 26:604S-612S. 2007
  7. ncbi The limits of human athletic performance
    R J Maughan
    School of Sport and Exercise Sciences, Loughborough University, Leicestershire, UK
    Ann Transplant 10:52-4. 2005
  8. ncbi The use of dietary supplements by athletes
    Ronald J Maughan
    School of Sport and Exercise Sciences, Loughborough University, Loughborough, LE11 3TU, UK
    J Sports Sci 25:S103-13. 2007
  9. pmc Nutrition and hydration concerns of the female football player
    Ronald J Maughan
    School of Sport and Exercise Sciences, Loughborough University, Loughborough, UK
    Br J Sports Med 41:i60-3. 2007
  10. ncbi Nutrition for soccer players
    Ronald J Maughan
    School of Sport and Exercise Sciences, Loughborough University, Leicestershire LE11 3TU, UK
    Curr Sports Med Rep 6:279-80. 2007

Detail Information

Publications54

  1. ncbi Gastric emptying and fluid availability after ingestion of glucose and soy protein hydrolysate solutions in man
    Ronald J Maughan
    School of Sport and Exercise Sciences, Loughborough University, Loughborough LE11 3TU, UK
    Exp Physiol 89:101-8. 2004
    ..These results indicate that the iso-energetic solutions of glucose and soy protein hydrolysate used in this study are emptied from the stomach at similar rates and result in similar rates of fluid availability after ingestion...
  2. ncbi Errors in the estimation of hydration status from changes in body mass
    Ronald J Maughan
    School of Sport and Exercise Sciences, Loughborough University, Loughborough, UK
    J Sports Sci 25:797-804. 2007
    ..Body mass change is not always a reliable measure of changes in hydration status and substantial loss of mass may occur without an effective net negative fluid balance...
  3. doi Hydration, morbidity, and mortality in vulnerable populations
    Ronald J Maughan
    School of Sport, Exercise and Health Sciences, Loughborough University, Loughborough, UK
    Nutr Rev 70:S152-5. 2012
    ....
  4. doi Investigating the associations between hydration and exercise performance: methodology and limitations
    Ronald J Maughan
    Loughborough University, School of Sport, Exercise and Health Sciences, Loughborough, UK
    Nutr Rev 70:S128-31. 2012
    ..Nevertheless, there is good evidence that drinking appropriate amounts of water, especially cold water, can enhance exercise performance in many situations...
  5. doi Hydration and performance during Ramadan
    R J Maughan
    School of Sport, Exercise and Health Sciences, Loughborough University, Loughborough, Leicestershire, LE11 3TU, United Kingdom
    J Sports Sci 30:S33-41. 2012
    ..Where more than one competition or training session takes place in a single day and where substantial fluid losses are incurred, recovery will be impaired by the absence of fluid intake...
  6. ncbi Exercise, heat, hydration and the brain
    R J Maughan
    School of Sport and Exercise Sciences, Loughborough University, Leicestershire LE11 3TU, United Kingdom
    J Am Coll Nutr 26:604S-612S. 2007
    ..Recent evidence suggests that the integrity of the blood brain barrier may be compromised by combined heat stress and dehydration, and this may play a role in limiting performance in the heat...
  7. ncbi The limits of human athletic performance
    R J Maughan
    School of Sport and Exercise Sciences, Loughborough University, Leicestershire, UK
    Ann Transplant 10:52-4. 2005
    ..The limitation may also depend on environmental factors, such as altitude and temperature...
  8. ncbi The use of dietary supplements by athletes
    Ronald J Maughan
    School of Sport and Exercise Sciences, Loughborough University, Loughborough, LE11 3TU, UK
    J Sports Sci 25:S103-13. 2007
    ..There are potential costs associated with all dietary supplements, including the risk of a positive doping result as a consequence of the presence of prohibited substances that are not declared on the label...
  9. pmc Nutrition and hydration concerns of the female football player
    Ronald J Maughan
    School of Sport and Exercise Sciences, Loughborough University, Loughborough, UK
    Br J Sports Med 41:i60-3. 2007
    ..Football training seems to increase bone mass in the weight-bearing limbs, with positive implications for bone health in later life, but some players may be at risk from inadequate calcium dietary intake...
  10. ncbi Nutrition for soccer players
    Ronald J Maughan
    School of Sport and Exercise Sciences, Loughborough University, Leicestershire LE11 3TU, UK
    Curr Sports Med Rep 6:279-80. 2007
  11. doi Distance running in hot environments: a thermal challenge to the elite runner
    R J Maughan
    School of Sport, Exercise and Health Sciences, Loughborough University, Leicestershire LE11 3TU, UK
    Scand J Med Sci Sports 20:95-102. 2010
    ..There is growing evidence that the effects of high ambient temperature and dehydration on performance of exercise may be mediated by effects on the central nervous system. This seems to involve serotonergic and dopaminergic functions...
  12. doi Fasting and sport: an introduction
    R J Maughan
    School of Sport, Exercise and Health Sciences, Loughborough University, Loughborough LE11 3TU, UK
    Br J Sports Med 44:473-5. 2010
    ..Further research on a wide range of athletes with special nutrition needs is urgently required. In events where performance might be affected, other strategies to eliminate or minimise any effects must be sought...
  13. doi The effects of fasting on metabolism and performance
    R J Maughan
    School of Sports and Exercise and Health Sciences, Loughborough University, Loughborough LE11 3TU, UK
    Br J Sports Med 44:490-4. 2010
    ..Modifications to the competition timetable may minimise or even eliminate any effect on performance in sport, but there may be negative effects on performance in some events...
  14. doi Development of hydration strategies to optimize performance for athletes in high-intensity sports and in sports with repeated intense efforts
    R J Maughan
    School of Sport, Exercise and Health Sciences, Loughborough University, Loughborough, UK
    Scand J Med Sci Sports 20:59-69. 2010
    ..An appropriate drinking strategy will take account of pre-exercise hydration status and of fluid, electrolyte and substrate needs before, during and after exercise...
  15. doi Living, training and playing in the heat: challenges to the football player and strategies for coping with environmental extremes
    R J Maughan
    School of Sport and Health Exercise Sciences, Loughborough University, Loughborough, UK
    Scand J Med Sci Sports 20:117-24. 2010
    ..Pre-exercise lowering of body temperature may aid some aspects of performance, but the efficacy has not been demonstrated in football...
  16. doi Dehydration and rehydration in competative sport
    R J Maughan
    School of Sport, Exercise and Health Sciences, Loughborough University, Loughborough, UK
    Scand J Med Sci Sports 20:40-7. 2010
    ..An appropriate, individualized drinking strategy will take account of pre-exercise hydration status and of fluid, electrolyte and substrate needs before, during and after a period of exercise...
  17. doi Water and salt balance in young male football players in training during the holy month of Ramadan
    Susan M Shirreffs
    School of Sport and Exercise Sciences, Loughborough University, Loughborough, UK
    J Sports Sci 26:S47-54. 2008
    ..07). These descriptive data show large individual variations in all measured parameters with relatively little difference in sweat parameters between fasting and non-fasting individuals...
  18. doi Hydration during intense exercise training
    R J Maughan
    Loughborough University, Loughborough, UK
    Nestle Nutr Inst Workshop Ser 76:25-37. 2013
    ..The distribution of water between body water compartments may also be important in the initiation and promotion of cellular adaptations to the training stimulus...
  19. doi Rehydration with drinks differing in sodium concentration and recovery from moderate exercise-induced hypohydration in man
    Stuart J Merson
    School of Sport and Exercise Sciences, Loughborough University, Loughborough, Leicestershire, LE11 3TU, UK
    Eur J Appl Physiol 103:585-94. 2008
    ..This did not, however, result in improved performance 4 h after the end of the rehydration period...
  20. ncbi Water balance and salt losses in competitive football
    Ronald J Maughan
    School of Sport and Exercise Sciences, Longborough University, Longborough, Leicestershire, LE11 3TU England
    Int J Sport Nutr Exerc Metab 17:583-94. 2007
    ....
  21. doi A comparison of the effects of milk and a carbohydrate-electrolyte drink on the restoration of fluid balance and exercise capacity in a hot, humid environment
    Phillip Watson
    School of Sport and Exercise Sciences, Loughborough University, Leicestershire, UK
    Eur J Appl Physiol 104:633-42. 2008
    ..Despite the effect on fluid retention, exercise capacity was not different between skimmed milk and a commercially available carbohydrate-electrolyte drink 4 h following exercise/heat-induced body mass loss...
  22. ncbi Water and salt balance of well-trained swimmers in training
    Ronald J Maughan
    School of Sport, Exercise and Health Sciences, Loughborough University, Leicestershire, UK
    Int J Sport Nutr Exerc Metab 19:598-606. 2009
    ..The average swimmer remained hydrated during the session, and calculated sweat rates were similar to those in previous aquatic studies...
  23. ncbi Fluid and electrolyte intake and loss in elite soccer players during training
    Ronald J Maughan
    School of Sport and Exercise Sciences at Loughborough University, Leicestershire, UK
    Int J Sport Nutr Exerc Metab 14:333-46. 2004
    ..Voluntary fluid intake also shows wide inter-individual variability and is generally insufficient to match fluid losses...
  24. doi Postexercise rehydration in man: the effects of osmolality and carbohydrate content of ingested drinks
    Gethin H Evans
    School of Sport and Exercise Sciences, Loughborough University, Loughborough, United Kingdom
    Nutrition 25:905-13. 2009
    ..This study investigated the effect of the osmolality and carbohydrate content of drinks on their rehydration effectiveness after exercise-induced dehydration...
  25. doi Postexercise rehydration in man: the effects of carbohydrate content and osmolality of drinks ingested ad libitum
    Gethin H Evans
    Loughborough University, Loughborough, Leicestershire, LE11 3TU, UK
    Appl Physiol Nutr Metab 34:785-93. 2009
    ..In conclusion, in situations of voluntary fluid intake, hypertonic carbohydrate-electrolyte solutions are as effective as hypotonic carbohydrate-electrolyte solutions at restoring whole-body fluid balance...
  26. ncbi The sweating response of elite professional soccer players to training in the heat
    S M Shirreffs
    School of Sport and Exercise Sciences, Loughborough University, Leicestershire LE11 3TU, UK
    Int J Sports Med 26:90-5. 2005
    ..This, however, is in accord with data in the literature from other levels of soccer players and athletes in other events. These measurements allow for an individualisation of the club's hydration strategy...
  27. ncbi Development of individual hydration strategies for athletes
    Ronald J Maughan
    School of Sport and Exercise Sciences, Loughborough University, Loughborough, UK
    Int J Sport Nutr Exerc Metab 18:457-72. 2008
    ..Strategies will vary greatly between individuals and will also be influenced by environmental conditions, competition regulations, and other factors...
  28. ncbi Fluid and electrolyte balance in elite male football (soccer) players training in a cool environment
    R J Maughan
    School of Sport and Exercise Sciences, Loughborough University, Loughborough LE11 3TU, UK
    J Sports Sci 23:73-9. 2005
    ..Total salt (NaCl) loss during training was 4.3+/-1.8 g. The sweat loss data are similar to those recorded in elite players undergoing a similar training session in warm environments, but the volume of fluid ingested is less...
  29. ncbi Blood-brain barrier integrity may be threatened by exercise in a warm environment
    Phillip Watson
    School of Sport and Exercise Sciences, Loughborough University, Leicestershire LE11 3TU, UK
    Am J Physiol Regul Integr Comp Physiol 288:R1689-94. 2005
    ..The results of this study demonstrate that serum S100beta was elevated after water immersion and prolonged exercise in a warm environment, suggesting that blood-brain barrier permeability may be altered...
  30. doi Effects of milk ingestion on prolonged exercise capacity in young, healthy men
    Jason K W Lee
    School of Sport and Exercise Sciences, Loughborough University, Loughborough, United Kingdom
    Nutrition 24:340-7. 2008
    ..Thus, the purpose of this study was to investigate the effects of milk-based drinks on exercise capacity...
  31. ncbi Impact of mild dehydration on wellness and on exercise performance
    R J Maughan
    School of Sports and Exercise Sciences, Loughborough University, Loughborough, Leicester, UK
    Eur J Clin Nutr 57:S19-23. 2003
    ..In exercise lasting more than a few minutes, hypohydration clearly impairs performance capacity, but muscle strength appears to be relatively unaffected...
  32. ncbi Milk as an effective post-exercise rehydration drink
    Susan M Shirreffs
    School of Sport and Exercise Sciences, Loughborough University, Loughborough, UK
    Br J Nutr 98:173-80. 2007
    ..The results of the present study suggest that milk can be an effective post-exercise rehydration drink and can be considered for use after exercise by everyone except those individuals who have lactose intolerance...
  33. doi Exercise capacity in the heat is greater in the morning than in the evening in man
    Ruth M Hobson
    School of Sport and Exercise Sciences, Loughborough University, Loughborough, United Kingdom
    Med Sci Sports Exerc 41:174-80. 2009
    ..This study investigated the effect of time of day on endurance exercise capacity in a warm environment...
  34. doi Alteration of subjective feelings in football players undertaking their usual training and match schedule during the Ramadan fast
    John B Leiper
    School of Sport and Exercise Sciences, Loughborough University, Loughborough, UK
    J Sports Sci 26:S55-69. 2008
    ..In the first 2 weeks after Ramadan, the modest changes reported by the fasting players reverted back to their pre-Ramadan values...
  35. ncbi The effect of alcohol on athletic performance
    Susan M Shirreffs
    School of Sport and Exercise Sciences, Loughborough University, Leicestershire LE11 3TU, UK
    Curr Sports Med Rep 5:192-6. 2006
    ..Effects may persist for hours after intoxication...
  36. doi Effect of Ramadan fasting on some biochemical and haematological parameters in Tunisian youth soccer players undertaking their usual training and competition schedule
    Ronald J Maughan
    School of Sport and Exercise Sciences, Loughborough University, Loughborough, UK
    J Sports Sci 26:S39-46. 2008
    ..The results suggest that the combination of the changes in eating time and frequency during Ramadan fasting, together with the continuation of normal training load, has no marked effect on the blood profiles of these adolescent athletes...
  37. doi Dietary intake and body composition of football players during the holy month of Ramadan
    Ronald J Maughan
    School of Sport and Exercise Sciences, Loughborough University, Loughborough, UK
    J Sports Sci 26:S29-38. 2008
    ..After Ramadan, the dietary variables reverted to the pre-Ramadan values...
  38. ncbi Exercise in the heat: effect of fluid ingestion on blood-brain barrier permeability
    Phillip Watson
    School of Sport and Exercise Sciences, Loughborough University, Leicestershire, United Kingdom
    Med Sci Sports Exerc 38:2118-24. 2006
    ..This study examined changes in serum S100beta concentration, a peripheral marker of BBB permeability, in response to exercise in the heat with and without fluid ingestion...
  39. doi The F-MARC study on Ramadan and football: research design, population, and environmental conditions
    John B Leiper
    School of Sport and Exercise Sciences, Loughborough University, Loughborough, UK
    J Sports Sci 26:S7-13. 2008
    ..Sweat samples were collected during a training session in the third week of Ramadan, when heart rate was also measured. The data analyses are presented and discussed elsewhere in this issue...
  40. doi Acute effects of ingesting glucose solutions on blood and plasma volume
    Gethin H Evans
    School of Sport and Exercise Sciences, Loughborough University, Loughborough, Leicestershire, UK
    Br J Nutr 101:1503-8. 2009
    ..It is concluded that ingestion of hypertonic, energy-dense glucose solutions results in a decrease in plasma and extracellular fluid volume, most likely due to the net secretion of water into the intestinal lumen...
  41. doi Cold drink ingestion improves exercise endurance capacity in the heat
    Jason K W Lee
    School of Sport and Exercise Sciences, Loughborough University, Leicestershire, United Kingdom
    Med Sci Sports Exerc 40:1637-44. 2008
    ..To investigate the effect of drink temperature on cycling capacity in the heat...
  42. doi Dietary supplements for athletes: emerging trends and recurring themes
    R J Maughan
    School of Sport, Exercise and Health Sciences, Loughborough University, Loughborough, UK
    J Sports Sci 29:S57-66. 2011
    ..Athletes seldom wait until there is convincing evidence of efficacy or of safety, but caution is necessary to minimize risk...
  43. ncbi Contamination of dietary supplements and positive drug tests in sport
    R J Maughan
    School of Sport and Exercise Sciences, Loughborough University, Loughborough LE11 3TU, UK
    J Sports Sci 23:883-9. 2005
    ....
  44. ncbi Alcohol and football
    R J Maughan
    School of Sport and Exercise Sciences, Loughborough University, UK
    J Sports Sci 24:741-8. 2006
    ..Alcohol intoxication may adversely affect the player's dietary choices by displacing carbohydrate from the diet at a time when restoration of glycogen stores should be a priority...
  45. ncbi The effect of acute branched-chain amino acid supplementation on prolonged exercise capacity in a warm environment
    Phillip Watson
    School of Sport and Exercise Sciences, Loughborough University, Leicestershire LE11 3TU, UK
    Eur J Appl Physiol 93:306-14. 2004
    ..114) and lactate (P = 0.836) concentrations were not different between trials. Ingestion of a BCAA solution prior to, and during, prolonged exercise in glycogen-depleted subjects did not influence exercise capacity in a warm environment...
  46. ncbi Nutritional status, metabolic responses to exercise and implications for performance
    R J Maughan
    School of Sport and Exercise Sciences, Loughborough University, Leicestershire LE11 3TU, U K
    Biochem Soc Trans 31:1267-9. 2003
    ..Carbohydrate and fat are key energy substrates during exercise, and acute nutritional manipulation will affect both substrate selection and exercise performance...
  47. ncbi Caffeine ingestion and fluid balance: a review
    R J Maughan
    School of Sport and Exercise Sciences, Loughborough University, Leicestershire, UK
    J Hum Nutr Diet 16:411-20. 2003
    ..The aim of this review is to evaluate the available literature concerning the effect of caffeine ingestion on fluid balance and to formulate targeted and evidence-based advice on caffeinated beverages in the context of optimum hydration...
  48. doi Hydration status and the diuretic action of a small dose of alcohol
    Ruth M Hobson
    School of Sport, Exercise and Health Sciences, Loughborough University, Loughborough, UK
    Alcohol Alcohol 45:366-73. 2010
    ..This study was conducted to examine the effect of consuming a dilute alcohol solution (weak beer) on urine production in euhydrated and hypohydrated individuals...
  49. doi Urinary nandrolone metabolite detection after ingestion of a nandrolone precursor
    Phillip Watson
    School of Sport and Exercise Sciences, Loughborough University, Loughborough, United Kingdom
    Med Sci Sports Exerc 41:766-72. 2009
    ....
  50. ncbi Serotonin2C receptor blockade and thermoregulation during exercise in the heat
    Arthur T Strachan
    Department of Clinical Biochemistry, University Medical School, Foresterhill, Aberdeen, United Kingdom
    Med Sci Sports Exerc 37:389-94. 2005
    ..The effect of serotonin (5-HT)2C receptor blockade on the thermal response and exercise performance during exercise in a warm environment was examined...
  51. ncbi Effects of four weeks L-carnitine L-tartrate ingestion on substrate utilization during prolonged exercise
    Elizabeth M Broad
    Dept of Sports Studies, University of Stirling, Scotland, UK
    Int J Sport Nutr Exerc Metab 15:665-79. 2005
    ..01), with no significant change over LCLT (LCLT0 31:46 +/- 4:06, LCLT4W 31.19 +/- 4.08 min:s). Four weeks LCLT supplementation had no effect on substrate utilization or endurance performance...
  52. ncbi American College of Sports Medicine position stand. Exercise and fluid replacement
    Michael N Sawka
    Med Sci Sports Exerc 39:377-90. 2007
    ..After exercise, the goal is to replace any fluid electrolyte deficit. The speed with which rehydration is needed and the magnitude of fluid electrolyte deficits will determine if an aggressive replacement program is merited...
  53. ncbi The effect of intermittent high-intensity running on gastric emptying of fluids in man
    John B Leiper
    Department of Biomedical Sciences, University Medical School, Aberdeen University, Foresterhill, Aberdeen, AB25 2ZD, UK
    Med Sci Sports Exerc 37:240-7. 2005
    ..This study examined the effect of variable-intensity shuttle running on gastric emptying of a carbohydrate-free placebo (Plac) drink and of a 6.4% carbohydrate-electrolyte (CHO) sports drink...
  54. doi Statement of the Second International Exercise-Associated Hyponatremia Consensus Development Conference, New Zealand, 2007
    Tamara Hew-Butler
    University of Cape Town, Cape Town, South Africa
    Clin J Sport Med 18:111-21. 2008