Kevin Currell

Summary

Affiliation: University of Birmingham
Country: UK

Publications

  1. ncbi request reprint The effect of carbohydrate gels on gastrointestinal tolerance during a 16-km run
    Beate Pfeiffer
    School of Sport and Exercise Sciences, University of Birmingham, Edgbaston, Birmingham, B15 2TT, United Kingdom
    Int J Sport Nutr Exerc Metab 19:485-503. 2009
  2. ncbi request reprint Heart rate monitoring: applications and limitations
    Juul Achten
    Human Performance Laboratory, School of Sport and Exercise Sciences, University of Birmingham, Edgbaston, Birmingham, United Kingdom
    Sports Med 33:517-38. 2003
  3. doi request reprint Nutrition and elite young athletes
    Asker Jeukendrup
    School of Sport and Exercise Sciences, University of Birmingham, Birmingham, UK
    Med Sport Sci 56:47-58. 2011
  4. pmc Glucose kinetics during prolonged exercise in highly trained human subjects: effect of glucose ingestion
    A E Jeukendrup
    Nutrition Research Centre, Department of Human Biology, Maastricht University, P O Box 616, 6200 MD Maastricht, The Netherlands
    J Physiol 515:579-89. 1999
  5. doi request reprint Carbohydrate and exercise performance: the role of multiple transportable carbohydrates
    Asker E Jeukendrup
    School of Sport and Exercise Sciences, University of Birmingham, Edgbaston, Birmingham, UK
    Curr Opin Clin Nutr Metab Care 13:452-7. 2010
  6. doi request reprint Oral carbohydrate sensing and exercise performance
    Asker E Jeukendrup
    School of Sport and Exercise Sciences, University of Birmingham, Edgbaston, Birmingham, UK
    Curr Opin Clin Nutr Metab Care 13:447-51. 2010
  7. doi request reprint No effect of carbohydrate feeding on 16 km cycling time trial performance
    Asker E Jeukendrup
    School of Sport and Exercise Sciences, University of Birmingham, Edgbaston, Birmingham B15 2TT, UK
    Eur J Appl Physiol 104:831-7. 2008
  8. doi request reprint Legal nutritional boosting for cycling
    Asker Jeukendrup
    School of Sport and Exercise Sciences, University of Birmingham, Edgbaston, Birmingham, United Kingdom
    Curr Sports Med Rep 8:186-91. 2009
  9. ncbi request reprint Modulation of carbohydrate and fat utilization by diet, exercise and environment
    A E Jeukendrup
    Human Performance Laboratory, School of Sport and Exercise Sciences, University of Birmingham, Edgbaston, Birmingham B15 2TT, U K
    Biochem Soc Trans 31:1270-3. 2003
  10. ncbi request reprint Carbohydrate intake during exercise and performance
    Asker E Jeukendrup
    Human Performance Laboratory, School of Sport and Exercise Sciences, University of Birmingham, Edgbaston, Birmingham, United Kingdom
    Nutrition 20:669-77. 2004

Collaborators

Detail Information

Publications87

  1. ncbi request reprint The effect of carbohydrate gels on gastrointestinal tolerance during a 16-km run
    Beate Pfeiffer
    School of Sport and Exercise Sciences, University of Birmingham, Edgbaston, Birmingham, B15 2TT, United Kingdom
    Int J Sport Nutr Exerc Metab 19:485-503. 2009
    ..Nevertheless, some runners (~10-20%) experienced serious problems, and individualized feeding strategies might be required...
  2. ncbi request reprint Heart rate monitoring: applications and limitations
    Juul Achten
    Human Performance Laboratory, School of Sport and Exercise Sciences, University of Birmingham, Edgbaston, Birmingham, United Kingdom
    Sports Med 33:517-38. 2003
    ..Furthermore, factors such as dehydration and ambient temperature can have a profound effect on the HR-VO(2) relationship...
  3. doi request reprint Nutrition and elite young athletes
    Asker Jeukendrup
    School of Sport and Exercise Sciences, University of Birmingham, Birmingham, UK
    Med Sport Sci 56:47-58. 2011
    ..Therefore, more research is needed in the years to come to give better advice to these young athletes...
  4. pmc Glucose kinetics during prolonged exercise in highly trained human subjects: effect of glucose ingestion
    A E Jeukendrup
    Nutrition Research Centre, Department of Human Biology, Maastricht University, P O Box 616, 6200 MD Maastricht, The Netherlands
    J Physiol 515:579-89. 1999
    ..The vast majority of glucose disappearing from the plasma is oxidized and MCR increased markedly with glucose ingestion. Glucose carbon recycling was minimal suggesting that gluconeogenesis in these conditions is negligible...
  5. doi request reprint Carbohydrate and exercise performance: the role of multiple transportable carbohydrates
    Asker E Jeukendrup
    School of Sport and Exercise Sciences, University of Birmingham, Edgbaston, Birmingham, UK
    Curr Opin Clin Nutr Metab Care 13:452-7. 2010
    ..Carbohydrate feeding has been shown to be ergogenic, but recently substantial advances have been made in optimizing the guidelines for carbohydrate intake during prolonged exercise...
  6. doi request reprint Oral carbohydrate sensing and exercise performance
    Asker E Jeukendrup
    School of Sport and Exercise Sciences, University of Birmingham, Edgbaston, Birmingham, UK
    Curr Opin Clin Nutr Metab Care 13:447-51. 2010
    ..It has become clear that the underlying mechanisms for the ergogenic effect during this type of activity are not metabolic but may reside in the central nervous system...
  7. doi request reprint No effect of carbohydrate feeding on 16 km cycling time trial performance
    Asker E Jeukendrup
    School of Sport and Exercise Sciences, University of Birmingham, Edgbaston, Birmingham B15 2TT, UK
    Eur J Appl Physiol 104:831-7. 2008
    ..Furthermore, this study found a very low coefficient of variation (1.1%) for a simulated 16 km time trial...
  8. doi request reprint Legal nutritional boosting for cycling
    Asker Jeukendrup
    School of Sport and Exercise Sciences, University of Birmingham, Edgbaston, Birmingham, United Kingdom
    Curr Sports Med Rep 8:186-91. 2009
    ..Various supplements have been suggested to improve endurance performance, but most of these nutrition supplements lack the scientific support that would warrant the recommendation...
  9. ncbi request reprint Modulation of carbohydrate and fat utilization by diet, exercise and environment
    A E Jeukendrup
    Human Performance Laboratory, School of Sport and Exercise Sciences, University of Birmingham, Edgbaston, Birmingham B15 2TT, U K
    Biochem Soc Trans 31:1270-3. 2003
    ..In addition to these factors adaptation to training, in particular endurance training, will reduce the reliance on carbohydrate metabolism and increase fat oxidation, especially from intramuscular triacylglycerol stores...
  10. ncbi request reprint Carbohydrate intake during exercise and performance
    Asker E Jeukendrup
    Human Performance Laboratory, School of Sport and Exercise Sciences, University of Birmingham, Edgbaston, Birmingham, United Kingdom
    Nutrition 20:669-77. 2004
    ....
  11. ncbi request reprint Fat supplementation, health, and endurance performance
    Asker E Jeukendrup
    Human Performance Laboratory, School of Sport and Exercise Sciences, University of Birmingham, Edgbaston, Birmingham, United Kingdom
    Nutrition 20:678-88. 2004
    ..Most studies have not found any evidence for a beneficial effect of conjugated linoleic acid...
  12. pmc Effect of beverage glucose and sodium content on fluid delivery
    Asker E Jeukendrup
    School of Sport and Exercise Sciences, University of Birmingham, Edgbaston, Birmingham, UK
    Nutr Metab (Lond) 6:9. 2009
    ..abstract:..
  13. ncbi request reprint Nutritional considerations in triathlon
    Asker E Jeukendrup
    Human Performance Laboratory, School of Sport and Exercise Sciences, University of Birmingham, Edgbaston, Birmingham, B15 2TT, UK
    Sports Med 35:163-81. 2005
    ..Hyponatraemia has occasionally been reported, especially among slow competitors in triathlons and probably arises due to loss of sodium in sweat coupled with very high intakes (8-10 L) of water or other low-sodium drinks...
  14. ncbi request reprint Measurement of substrate oxidation during exercise by means of gas exchange measurements
    A E Jeukendrup
    School of Sport and Exercise Sciences, University of Birmingham, Edgbaston, Birmingham, UK
    Int J Sports Med 26:S28-37. 2005
    ..Future research should investigate the causes of the large inter-individual differences in fat metabolism between individuals and their links with various disease states...
  15. doi request reprint Multiple transportable carbohydrates enhance gastric emptying and fluid delivery
    A E Jeukendrup
    Human Performance Laboratory, Department of Exercise Metabolism, School of Sport and Exercise Sciences, The University of Birmingham, Edgbaston, Birmingham, UK
    Scand J Med Sci Sports 20:112-21. 2010
    ..There was a greater loss in body weight with GLU corrected for fluid intake. These data suggest that ingestion of a combined GLU+FRU solution increases GE and "fluid delivery" compared with a glucose only solution...
  16. doi request reprint Fat burners: nutrition supplements that increase fat metabolism
    A E Jeukendrup
    School of Sport and Exercise Sciences, University of Birmingham, Birmingham, UK
    Obes Rev 12:841-51. 2011
    ..For many other supplements, although some show some promise, evidence is lacking. The list of supplements is industry-driven and is likely to grow at a rate that is not matched by a similar increase in scientific underpinning...
  17. ncbi request reprint Effects of pre-exercise ingestion of carbohydrate on glycaemic and insulinaemic responses during subsequent exercise at differing intensities
    Juul Achten
    Human Performance Laboratory, School of Sport and Exercise Sciences, University of Birmingham, Edgbaston, B15 2TT, Birmingham, UK
    Eur J Appl Physiol 88:466-71. 2003
    ..These data suggest that the glycaemic response to ingestion of 75 g of CHO 45 min pre-exercise is similar during exercise of different intensities...
  18. ncbi request reprint Improving cycling performance: how should we spend our time and money
    A E Jeukendrup
    Human Performance Laboratory, School of Sport and Exercise Sciences, University of Birmingham, Edgbaston, England
    Sports Med 31:559-69. 2001
    ..Depending on the availability of time and financial resources cyclists have to make decisions about how to achieve their performance improvements. The data presented here may provide a guideline to help make such decisions...
  19. ncbi request reprint Oxidation of carbohydrate feedings during prolonged exercise: current thoughts, guidelines and directions for future research
    A E Jeukendrup
    Human Performance Laboratory, School of Sport and Exercise Sciences, University of Birmingham, Edgbaston, England
    Sports Med 29:407-24. 2000
    ..It is possible that when large amounts of glucose are ingested absorption is a limiting factor, and the liver will retain some glucose and thus act as a second limiting factor to exogenous CHO oxidation...
  20. ncbi request reprint Regulation of fat metabolism in skeletal muscle
    Asker E Jeukendrup
    School of Sport and Exercise Sciences, University of Birmingham, United Kingdom
    Ann N Y Acad Sci 967:217-35. 2002
    ..Regulation of skeletal muscle fat metabolism is clearly multifactorial, and different mechanisms may dominate in different conditions...
  21. doi request reprint Nutrition for endurance sports: marathon, triathlon, and road cycling
    Asker E Jeukendrup
    School of Sport and Exercise Sciences, University of Birmingham, Birmingham, UK
    J Sports Sci 29:S91-9. 2011
    ..Here I provide a comprehensive overview of recent research findings and suggest several new guidelines for the endurance athlete on the basis of this. These guidelines are more detailed and allow a more individualized approach...
  22. ncbi request reprint Dietary fat and physical performance
    A E Jeukendrup
    Human Performance Laboratory, School of Sport and Exercise Sciences, University of Birmingham, Edgbaston, UK
    Curr Opin Clin Nutr Metab Care 2:521-6. 1999
    ..Recently, several studies have tried to clarify this relationship. Here the effects of acute fat on metabolism and performance will be discussed, as well as the effects of short-term and long-term high-fat diets...
  23. ncbi request reprint Relationship between gastro-intestinal complaints and endotoxaemia, cytokine release and the acute-phase reaction during and after a long-distance triathlon in highly trained men
    A E Jeukendrup
    Department of Human Biology, Maastricht University, P O Box 616, 6200 MD Maastricht, The Netherlands
    Clin Sci (Lond) 98:47-55. 2000
    ..It is therefore concluded that LPS does enter the circulation after ultra-endurance exercise and may, together with muscle damage, be responsible for the increased cytokine response and hence GI complaints in these athletes...
  24. doi request reprint The myths surrounding pre-exercise carbohydrate feeding
    Asker E Jeukendrup
    School of Sport and Exercise Sciences, University of Birmingham, Birmingham, UK
    Ann Nutr Metab 57:18-25. 2010
    ..There is considerable confusion regarding pre-exercise carbohydrate feeding with advice that ranges from 'consume carbohydrate in the hour before exercise' to 'avoid carbohydrate in the 60 min prior to exercise'...
  25. ncbi request reprint Exogenous carbohydrate oxidation during ultraendurance exercise
    Asker E Jeukendrup
    Human Performance Laboratory, School of Sport and Exercise Sciences, University of Birmingham, Edgbaston, Birmingham B15 2TT, United Kingdom
    J Appl Physiol 100:1134-41. 2006
    ..The ingestion of Glu+Fru increases CHO(Exo) compared with the ingestion of Glu alone, potentially through the oxidation of CHO(Exo) in the liver or through the conversion to, and oxidation of, lactate...
  26. ncbi request reprint Exogenous carbohydrate oxidation rates are elevated after combined ingestion of glucose and fructose during exercise in the heat
    Roy L P G Jentjens
    Human Performance Labaratory, School of Sport and Exercise Sciences, Univ of Birmingham, Edgbaston, B15 2TT, Birmingham, UK
    J Appl Physiol 100:807-16. 2006
    ..Ingestion of GLU+FRUC during exercise in the heat resulted in higher exogenous CHO oxidation rates and fluid availability compared with ingestion of GLU and reduced endogenous CHO oxidation compared with ingestion of WAT...
  27. doi request reprint Superior endurance performance with ingestion of multiple transportable carbohydrates
    Kevin Currell
    Human Performance Laboratory, School of Sport and Exercise Sciences, University of Birmingham, Birmingham, UK
    Med Sci Sports Exerc 40:275-81. 2008
    ..The aim of the present study was to investigate the effect of ingesting a glucose plus fructose drink compared with a glucose-only drink (both delivering carbohydrate at a rate of 1.8 g.min(-1)) and a water placebo on endurance performance...
  28. ncbi request reprint Reliability of a cycling time trial in a glycogen-depleted state
    Kevin Currell
    School of Sport and Exercise Sciences, University of Birmingham, Edgbaston, Birmingham, UK
    Eur J Appl Physiol 98:583-9. 2006
    ..Therefore we can conclude that prior glycogen depletion does produce a reliable measure of performance with metabolic characteristics similar to ultraendurance exercise...
  29. ncbi request reprint Oxidation of combined ingestion of glucose and fructose during exercise
    Roy L P G Jentjens
    Human Performance Laboratory, School of Sport and Exercise Sciences, University of Birmingham, Edgbaston, B15 2TT, Birmingham, UK
    J Appl Physiol 96:1277-84. 2004
    ..075). The present results demonstrate that, when fructose and glucose are ingested simultaneously at high rates during cycling exercise, exogenous carbohydrate oxidation rates can reach peak values of approximately 1.3 g/min...
  30. ncbi request reprint Green tea extract ingestion, fat oxidation, and glucose tolerance in healthy humans
    Michelle C Venables
    Human Performance Laboratory, School of Sport and Exercise Sciences, The University of Birmingham, Birmingham, United Kingdom
    Am J Clin Nutr 87:778-84. 2008
    ..Green tea consumption is reportedly associated with various health-promoting properties. For example, it has been shown to promote fat oxidation in humans at rest and to prevent obesity and improve insulin sensitivity in mice...
  31. ncbi request reprint Oxidation of combined ingestion of maltodextrins and fructose during exercise
    Gareth A Wallis
    School of Sport and Exercise Sciences, University of Birmingham, Edgbaston, Birmingham, United Kingdom
    Med Sci Sports Exerc 37:426-32. 2005
    ..To determine whether combined ingestion of maltodextrin and fructose during 150 min of cycling exercise would lead to exogenous carbohydrate oxidation rates higher than 1.1 g.min...
  32. ncbi request reprint Exogenous oxidation of isomaltulose is lower than that of sucrose during exercise in men
    Juul Achten
    School of Sport and Exercise Sciences, University of Birmingham, Edgbaston, B15 2TT, Birmingham, United Kingdom
    J Nutr 137:1143-8. 2007
    ..A lower CHO delivery and a small difference in plasma insulin may have resulted in higher endogenous CHO use and higher fat oxidation during the ISO trial than during the SUC trial...
  33. ncbi request reprint Effects of timing of pre-exercise ingestion of carbohydrate on subsequent metabolism and cycling performance
    Luke Moseley
    Human Performance Laboratory, School of Sport and Exercise Sciences, University of Birmingham, Edgbaston, B15 2TT, Birmingham, UK
    Eur J Appl Physiol 88:453-8. 2003
    ..Hypoglycaemia was observed in some subjects during the first 10 min but this did not affect performance...
  34. ncbi request reprint Heat stress increases muscle glycogen use but reduces the oxidation of ingested carbohydrates during exercise
    Roy L P G Jentjens
    Human Performance Laboratory, School of Sport and Exercise Sciences, University of Birmingham, Edgbaston, Birmingham B15 2TT, United Kingdom
    J Appl Physiol 92:1562-72. 2002
    ..087 and P = 0.082, respectively). These results demonstrate that the oxidation rate of ingested CHO is reduced and muscle glycogen utilization is increased during exercise in the heat compared with a cool environment...
  35. ncbi request reprint Pseudoephedrine enhances performance in 1500-m runners
    Kate Hodges
    School of Sport and Exercise Sciences, University of Birmingham, Edgbaston, Birmingham, United Kingdom
    Med Sci Sports Exerc 38:329-33. 2006
    ..This study, therefore, aimed to investigate the effects of pseudoephedrine on 1500-m running performance...
  36. ncbi request reprint The effect of sweetness on the efficacy of carbohydrate supplementation during exercise in the heat
    James Carter
    Human Performance Laboratory, School of Sport and Exercise Sciences, The University of Birmingham, Birmingham, UK
    Can J Appl Physiol 30:379-91. 2005
    ..In conclusion, exogenous carbohydrate, independent of sweetness, improves exercise capacity in the heat compared to water alone...
  37. ncbi request reprint Caffeine increases exogenous carbohydrate oxidation during exercise
    Sophie E Yeo
    Human Performance Laboratory, School of Sport and Exercise Sciences, Univ of Birmingham, Edgbaston, Birmingham B15 2TT, UK
    J Appl Physiol 99:844-50. 2005
    ..12 +/- 0.37 g/min for Wat). In conclusion, compared with glucose alone, 5 mg x kg(-1) x h(-1) of caffeine coingested with glucose increases exogenous CHO oxidation, possibly as a result of an enhanced intestinal absorption...
  38. ncbi request reprint High rates of exogenous carbohydrate oxidation from a mixture of glucose and fructose ingested during prolonged cycling exercise
    Roy L P G Jentjens
    Human Performance Laboratory, School of Sport and Exercise Sciences, University of Birmingham, Edgbaston B15 2TT, UK
    Br J Nutr 93:485-92. 2005
    ..The results demonstrate that when a mixture of glucose and fructose is ingested at high rates (2.4 g/min) during 150 min of cycling exercise, exogenous CHO oxidation rates reach peak values of approximately 1.75 g/min...
  39. ncbi request reprint Fat oxidation rates are higher during running compared with cycling over a wide range of intensities
    Juul Achten
    Human Performance Laboratory, School of Sport and Exercise Sciences, University of Birmingham, Birmingham, United Kingdom
    Metabolism 52:747-52. 2003
    ..Maximal fat oxidation was 28% higher when walking compared with cycling, but the intensity, which elicits maximal fat oxidation, is not different between these 2 exercise modes...
  40. ncbi request reprint Combined ingestion of protein and carbohydrate improves protein balance during ultra-endurance exercise
    Rene Koopman
    Department of Human Biology, Maastricht University, PO Box 616, 6200 MD, The Netherlands
    Am J Physiol Endocrinol Metab 287:E712-20. 2004
    ..Combined ingestion of protein and carbohydrate improves net protein balance at rest as well as during exercise and postexercise recovery...
  41. ncbi request reprint Carbohydrate ingestion improves performance of a new reliable test of soccer performance
    Kevin Currell
    School of Sport and Exercise Sciences, University of Birmingham, Edgbaston, Birmingham, UK
    Int J Sport Nutr Exerc Metab 19:34-46. 2009
    ..05) when CHO was ingested compared with placebo. In conclusion, the protocol is a reliable test of soccer performance, and ingesting CHO leads to an improvement in soccer performance...
  42. ncbi request reprint Effect of acute exercise on glucose tolerance following post-exercise feeding
    Michelle C Venables
    Human Performance Laboratory, School of Sport and Exercise Sciences, The University of Birmingham, Edgbaston, Birmingham, UK
    Eur J Appl Physiol 100:711-7. 2007
    ....
  43. doi request reprint Postexercise muscle glycogen synthesis with combined glucose and fructose ingestion
    Gareth A Wallis
    School of Sport and Exercise Sciences, University of Birmingham, Birmingham, UK
    Med Sci Sports Exerc 40:1789-94. 2008
    ..To evaluate the efficacy of using combined glucose and fructose (GF) ingestion as a means to stimulate short-term (4 h) postexercise muscle glycogen synthesis compared to glucose only (G)...
  44. ncbi request reprint Effects of increasing insulin secretion on acute postexercise blood glucose disposal
    Brechje Kaastra
    Department of Human Biology, Nutrition and Toxicology Research Institute Maastricht NUTRIM, Maastricht University, Maastricht, The Netherlands
    Med Sci Sports Exerc 38:268-75. 2006
    ..Coingestion of protein and/or free amino acids with carbohydrate has been reported to accelerate postexercise muscle glycogen synthesis due to an increase in the insulin response...
  45. ncbi request reprint Oxidation of exogenous glucose, sucrose, and maltose during prolonged cycling exercise
    Roy L P G Jentjens
    Human Performance Laboratory, School of Sport and Exercise Sciences, University of Birmingham, Edgbaston, Birmingham B15 2TT, UK
    J Appl Physiol 96:1285-91. 2004
    ..These results demonstrate that, when a mixture of glucose and sucrose is ingested at high rates (1.8 g/min) during cycling exercise, exogenous CHO oxidation rates reach peak values of approximately 1.25 g/min...
  46. ncbi request reprint No placebo effect from carbohydrate intake during prolonged exercise
    Carl J Hulston
    School of Sport and Exercise Sciences, University of Birmingham, Birmingham, UK
    Int J Sport Nutr Exerc Metab 19:275-84. 2009
    ..In contrast, the real effect of CHO intake was a 10.6% improvement in TT cycling performance...
  47. ncbi request reprint The effect of glucose infusion on glucose kinetics during a 1-h time trial
    James M Carter
    Human Performance Laboratory, School of Sport and Exercise Sciences, The University of Birmingham, Edgbaston, Birmingham, United Kingdom
    Med Sci Sports Exerc 36:1543-50. 2004
    ..9% saline; placebo (PLA)). It was hypothesized that time trial performance would be unaffected by the infusion of glucose, as endogenous stores of CHO would not be limiting in the PLA trial...
  48. doi request reprint Endurance training and obesity: effect on substrate metabolism and insulin sensitivity
    Michelle C Venables
    School of Sport and Exercise Sciences, The University of Birmingham, Edgbaston, UK
    Med Sci Sports Exerc 40:495-502. 2008
    ....
  49. ncbi request reprint Oxidation of combined ingestion of glucose and sucrose during exercise
    Roy L P G Jentjens
    Human Performance Laboratory, School of Sport and Exercise Science, University of Birmingham, Birmingham B15 2TT, UK
    Metabolism 54:610-8. 2005
    ..Furthermore, when a mixture of glucose and sucrose was ingested at high rates (2.4 g/min), exogenous CHO oxidation rates reached peak values of approximately 1.20 g/min...
  50. doi request reprint Plasma deuterium oxide accumulation following ingestion of different carbohydrate beverages
    Kevin Currell
    School of Sport and Exercise Sciences, University of Birmingham, Edgbaston, Birmingham, B152TT, UK
    Appl Physiol Nutr Metab 33:1067-72. 2008
    ..These data suggest that a 12.5% carbohydrate beverage containing glucose and fructose results in more rapid fluid delivery in the first 75 min than a beverage containing glucose alone...
  51. ncbi request reprint The effect of pre-exercise carbohydrate feedings on the intensity that elicits maximal fat oxidation
    Juul Achten
    School of Sport and Exercise Sciences, University of Birmingham, Edgbaston, Birmingham B15 2TT, UK
    J Sports Sci 21:1017-24. 2003
    ..05). In conclusion, the ingestion of 75 g of carbohydrate 45 min before the onset of exercise decreased Fatmax by 14%, while the maximal rate of fat oxidation decreased by 28%...
  52. ncbi request reprint Determination of the exercise intensity that elicits maximal fat oxidation
    Juul Achten
    Human Performance Laboratory, School of Sport and Exercise Sciences, University of Birmingham, Edgbaston, Birmingham, B15 2TT, United Kingdom
    Med Sci Sports Exerc 34:92-7. 2002
    ..The aim of this study was to develop a test protocol to determine the exercise intensity at which fat oxidation rate is maximal (Fat(max))...
  53. doi request reprint Physical inactivity and obesity: links with insulin resistance and type 2 diabetes mellitus
    Michelle C Venables
    Exercise Metabolism Research Group, Human Performance Laboratory, School of Sport and Exercise Sciences, The University of Birmingham, Edgbaston, Birmingham B15 2TT, UK
    Diabetes Metab Res Rev 25:S18-23. 2009
    ..We will also discuss some of the potential mechanisms that are thought to link obesity and physical inactivity with the major pathophysiological precursor of T2DM, insulin resistance...
  54. doi request reprint No effect of carbohydrate-protein on cycling performance and indices of recovery
    Leigh Breen
    School of Sport and Exercise Sciences, University of Birmingham, Birmingham, United Kingdom
    Med Sci Sports Exerc 42:1140-8. 2010
    ..Furthermore, we examined the effects of coingesting protein with CHO during exercise on postexercise markers of sarcolemmal disruption and the recovery of muscle function...
  55. ncbi request reprint Nutrition for the sprinter
    Kevin D Tipton
    School of Sport and Exercise Sciences, University of Birmingham, Edgbaston, Birmingham, B15 2TT, UK
    J Sports Sci 25:S5-15. 2007
    ..Beta-alanine and bicarbonate may be useful as buffering agents in longer sprints. Creatine may be efficacious for increasing muscle mass and strength and perhaps increasing intensity of repeat sprint performance during training...
  56. doi request reprint Substrate metabolism and exercise performance with caffeine and carbohydrate intake
    Carl J Hulston
    School of Sport and Exercise Sciences, University of Birmingham, Birmingham, United Kingdom
    Med Sci Sports Exerc 40:2096-104. 2008
    ....
  57. ncbi request reprint Carbohydrate supplementation improves moderate and high-intensity exercise in the heat
    James Carter
    Human Performance Laboratory, School of Sport and Exercise Sciences, The University of Birmingham, B15 2TT, Edgbaston, Birmingham, UK
    Pflugers Arch 446:211-9. 2003
    ..In the absence of a clear metabolic explanation, a central effect involving an increased tolerance of rising deep body temperature merits further investigation...
  58. ncbi request reprint PASSCLAIM - Physical performance and fitness
    Wim H M Saris
    Maastricht University, Nutrition Research Centre, Dept of Human Biology, P O Box 616, 6200 MD Maastricht, The Netherlands
    Eur J Nutr 42:I50-95. 2003
    ....
  59. ncbi request reprint Optimizing fat oxidation through exercise and diet
    Juul Achten
    School of Sport and Exercise Sciences, University of Birmingham, Edgbaston, Birmingham, United Kingdom
    Nutrition 20:716-27. 2004
    ..Fat oxidation rates have been shown to decrease after ingestion of high-fat diets, partly as a result of decreased glycogen stores and partly because of adaptations at the muscle level...
  60. ncbi request reprint Prevalence of hypoglycemia following pre-exercise carbohydrate ingestion is not accompanied By higher insulin sensitivity
    Roy L P G Jentjens
    Human Performance Laboratory, School of Sport and Exercise Sciences, University of Birmingham, Edgbaston, B15 2TT, Birmingham, UK
    Int J Sport Nutr Exerc Metab 12:398-413. 2002
    ..7+/-0.4 vs. 3.8 +/- 0.5, respectively). The present results suggest that insulin sensitivity does not play an important role in the occurrence of rebound hypoglycemia...
  61. ncbi request reprint Metabolic response to carbohydrate ingestion during exercise in males and females
    Gareth A Wallis
    School of Sport and Exercise Sciences, University of Birmingham, UK
    Am J Physiol Endocrinol Metab 290:E708-15. 2006
    ..70 +/- 0.08 and 0.65 +/- 0.06 g/min, respectively). The present investigation suggests that the metabolic response to CHO ingestion during exercise is largely similar in men and women...
  62. ncbi request reprint Immunological responses to overreaching in cyclists
    Shona L Halson
    Human Performance Laboratory, School of Sport and Exercise Sciences, University of Birmingham, Edgbaston, United Kingdom
    Med Sci Sports Exerc 35:854-61. 2003
    ..We investigated the effects of intensified training on plasma cytokines, glutamine, glutamate, and other related immunological variables in endurance-trained cyclists...
  63. ncbi request reprint Determinants of fat oxidation during exercise in healthy men and women: a cross-sectional study
    Michelle C Venables
    Human Performance Laboratory, School of Sport and Exercise Sciences, University of Birmingham, Edgbaston, Birmingham B15 2TT, UK
    J Appl Physiol 98:160-7. 2005
    ..Physical activity, Vo(2 max), and gender explained only 12% of the interindividual variation in MFO during exercise, whereas body fatness was not a predictor. The interindividual variation in fat oxidation remains largely unexplained...
  64. ncbi request reprint Validity, reliability and sensitivity of measures of sporting performance
    Kevin Currell
    School of Sport and Exercise Sciences, University of Birmingham, Edgbaston, Birmingham, UK
    Sports Med 38:297-316. 2008
    ..A quantitative value of sensitivity may be accomplished through the signal : noise ratio, where the signal is the percentage improvement in performance and the noise is the CV...
  65. ncbi request reprint Determinants of post-exercise glycogen synthesis during short-term recovery
    Roy Jentjens
    Human Performance Laboratory, School of Sport and Exercise Sciences, University of Birmingham, Edgbaston, Birmingham, UK
    Sports Med 33:117-44. 2003
    ..Furthermore, intestinal glucose absorption may also be a rate-limiting factor for muscle glycogen synthesis when large quantities (>1 g/min) of glucose are ingested following exercise...
  66. ncbi request reprint Carbohydrate mouth rinsing in the fed state: lack of enhancement of time-trial performance
    Milou Beelen
    Nutrition and Toxicology Research Institute, Maastricht, Maastricht University, The Netherlands
    Int J Sport Nutr Exerc Metab 19:400-9. 2009
    ..Carbohydrate mouth rinsing does not improve time-trial performance when exercise is performed in a practical, postprandial setting...
  67. ncbi request reprint High oxidation rates from combined carbohydrates ingested during exercise
    Roy L P G Jentjens
    Human Performance Laboratory, School of Sport and Exercise Sciences, University of Birmingham, Edgbaston, United Kingdom
    Med Sci Sports Exerc 36:1551-8. 2004
    ..8 g x min(-1)) leads to peak oxidation rates of approximately 1.3 g x min(-1) and results in approximately 20 to 55% higher exogenous CHO oxidation rates compared with the ingestion of an isocaloric amount of glucose...
  68. ncbi request reprint Effect of pre-exercise carbohydrate ingestion on plasma cytokine, stress hormone, and neutrophil degranulation responses to continuous, high-intensity exercise
    Graeme I Lancaster
    Human Performance Laboratory, School of Sports and Exercise Sciences, University of Birmingham, Edgbaston, Birmingham, UK
    Int J Sport Nutr Exerc Metab 13:436-53. 2003
    ..Finally, although an exercise-induced increase in the plasma IL-6 concentration was observed, this effect was independent of pre-exercise CHO ingestion...
  69. doi request reprint Exogenous CHO oxidation with glucose plus fructose intake during exercise
    Carl J Hulston
    School of Sport and Exercise Sciences, University of Birmingham, Birmingham, United Kingdom
    Med Sci Sports Exerc 41:357-63. 2009
    ..The purpose of the present study was to determine whether combined ingestion of moderate amounts of glucose plus fructose would result in higher rates of exogenous CHO oxidation compared with an isocaloric amount of glucose alone...
  70. ncbi request reprint Erosive effect of a new sports drink on dental enamel during exercise
    Michelle C Venables
    Human Performance Laboratory, School of Sport and Exercise Sciences, University of Birmingham, Edgbaston, Birmingham, B15 2TT, UK
    Med Sci Sports Exerc 37:39-44. 2005
    ..To compare the potential erosive effect of a prototype carbohydrate-electrolyte drink (PCE) with a neutral control (water) and a commercially available carbohydrate-electrolyte drink (CCE) during exercise...
  71. doi request reprint The effect of feeding frequency on insulin and ghrelin responses in human subjects
    Thomas P J Solomon
    School of Sport and Exercise Sciences, University of Birmingham, West Midlands, UK
    Br J Nutr 100:810-9. 2008
    ..05). This study provides further evidence that the postprandial fall in ghrelin might be due, at least partially, to the rise in insulin and that high-frequency feeding may disrupt this relationship...
  72. ncbi request reprint Effect of acute and short-term administration of vanadyl sulphate on insulin sensitivity in healthy active humans
    Roy L P G Jentjens
    Human Performance Laboratory, School of Sport and Exercise Sciences, University of Birmingham, Edgbaston, B15 2TT Birmingham, UK
    Int J Sport Nutr Exerc Metab 12:470-9. 2002
    ..8 +/- 0.1 vs. 4.7 +/- 0.1 vs. 4.7 +/- 0.1, respectively). These results demonstrate that there are no acute and short-term effects of VS administration on insulin sensitivity in healthy humans...
  73. ncbi request reprint Time course of performance changes and fatigue markers during intensified training in trained cyclists
    Shona L Halson
    Human Performance Laboratory, School of Sport and Exercise Sciences, University of Birmingham, Edgbaston, Birmingham, B15 2TT, United Kingdom
    J Appl Physiol 93:947-56. 2002
    ..These findings indicate that a state of overreaching can already be induced after 7 days of intensified training with limited recovery...
  74. ncbi request reprint Science and cycling: current knowledge and future directions for research
    Greg Atkinson
    School of Sport and Exercise Sciences, Loughborough University, UK
    J Sports Sci 21:767-87. 2003
    ..Given the prevalence of stage racing in professional cycling, more research into the influence of nutrition on repeated bouts of exercise performance and training is required...
  75. doi request reprint Branched-chain amino acid ingestion can ameliorate soreness from eccentric exercise
    Sarah R Jackman
    Human Performance Laboratory, Exercise Metabolism Research Group, School of Sport and Exercise Sciences, The University of Birmingham, Edgbaston, United Kingdom
    Med Sci Sports Exerc 42:962-70. 2010
    ..The purpose of this study was to examine the role of branched-chain amino acid (BCAA) supplementation during recovery from intense eccentric exercise...
  76. ncbi request reprint The effect of carbohydrate mouth rinse on 1-h cycle time trial performance
    James M Carter
    Human Performance Laboratory, School of Sport and Exercise Sciences, The University of Birmingham, Edgbaston, B15 2TT, Birmingham, UK
    Med Sci Sports Exerc 36:2107-11. 2004
    ..5% of the trial completed. On the other occasion, water (PLA) was rinsed. Subjects were not allowed to swallow either the CHO solution or water, and each mouthful was spat out after a 5-s rinse...
  77. ncbi request reprint Does overtraining exist? An analysis of overreaching and overtraining research
    Shona L Halson
    Human Performance Laboratory, School of Sport and Exercise Sciences, University of Birmingham, Edgbaston, UKDepartment of Physiology, Australian Institute of Sport, Belconnen, ACT, Australia
    Sports Med 34:967-81. 2004
    ..The available scientific and anecdotal evidence supports the existence of the overtraining syndrome; however, more research is required to state with certainty that the syndrome exists...
  78. doi request reprint Acceleration versus heart rate for estimating energy expenditure and speed during locomotion in animals: tests with an easy model species, Homo sapiens
    Lewis G Halsey
    School of Biosciences, Centre for Ornithology, University of Birmingham, Edgbaston B15 2TT, UK
    Zoology (Jena) 111:231-41. 2008
    ....
  79. ncbi request reprint Glucose polymer molecular weight does not affect exogenous carbohydrate oxidation
    David S Rowlands
    Institute of Food, Nutrition, and Human Health, Massey University, Wellington, New Zealand
    Med Sci Sports Exerc 37:1510-6. 2005
    ..To compare the effects of high (HMW) versus low molecular weight (LMW) glucose polymer solutions on the pattern of substrate oxidation during exercise...
  80. ncbi request reprint Sodium acetate induces a metabolic alkalosis but not the increase in fatty acid oxidation observed following bicarbonate ingestion in humans
    Gordon I Smith
    School of Medical Sciences, University of Aberdeen, Aberdeen AB25 2ZD, Scotland
    J Nutr 137:1750-6. 2007
    ..Whereas NaHCO3 ingestion increased fat oxidation, a similar response did not occur following NaAc ingestion despite the fact both sodium salts induced a similar increase in energy expenditure and shift in acid-base balance...
  81. ncbi request reprint Effects of carbohydrate supplementation on performance and carbohydrate oxidation after intensified cycling training
    Shona L Halson
    Dept of Physiology, Australian Institute of Sport, PO Box 176, Belconnen ACT, Australia 2616
    J Appl Physiol 97:1245-53. 2004
    ..Decreased endocrine responsiveness to exercise may be implicated in the decreased performance and increased mood disturbance characteristic of overreaching...
  82. ncbi request reprint Attenuated gastric distress but no benefit to performance with adaptation to octanoate-rich esterified oils in well-trained male cyclists
    Megan S Thorburn
    Institute of Food, Nutrition, and Human Health, Massey University, PO Box 756, Wellington, New Zealand
    J Appl Physiol 101:1733-43. 2006
    ....
  83. ncbi request reprint Dose-response effects of ingested carbohydrate on exercise metabolism in women
    Gareth A Wallis
    School of Sport and Exercise Sciences, University of Birmingham, Birmingham, United Kingdom
    Med Sci Sports Exerc 39:131-8. 2007
    ..The effect of different quantities of carbohydrate (CHO) intake on CHO metabolism during prolonged exercise was examined in endurance-trained females...
  84. ncbi request reprint Effects of acute exhaustive exercise and chronic exercise training on type 1 and type 2 T lymphocytes
    Graeme I Lancaster
    School of Sport and Exercise Sciences, The Medical School, University of Birmingham, United Kingdom
    Exerc Immunol Rev 10:91-106. 2004
    ..These results suggest a possible mechanism for the increased incidence of infection reported during chronic exercise training via modulation of type 1/type 2 T lymphocyte distribution...
  85. pmc The physiological regulation of toll-like receptor expression and function in humans
    Graeme I Lancaster
    School of Sport and Exercise Sciences, The Medical School, University of Birmingham, Birmingham, UK
    J Physiol 563:945-55. 2005
    ..These results demonstrate that TLR function is subject to modulation under physiological conditions in vivo and provide evidence for the role of immunomodulatory hormones in the regulation of TLR function...
  86. ncbi request reprint Should time trial performance be predicted from three serial time-to-exhaustion tests?
    Asker E Jeukendrup
    Med Sci Sports Exerc 37:1820; author reply 1821. 2005
  87. ncbi request reprint Validity and reliability of three commercially available breath-by-breath respiratory systems
    James Carter
    Human Performance Laboratory, School of Sport and Exercise Sciences, The University of Birmingham, Edgbaston, B15 2TT, Birmingham, UK
    Eur J Appl Physiol 86:435-41. 2002
    ..8-45.8%). The exercise study showed the Oxycon Pro and Oxycon Alpha to be both valid and reliable on-line systems for the measurement of parameters of respiration, at least at workloads up to 150 W...