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dc.contributor.authorWallis, Gareth Aen_UK
dc.contributor.authorHulston, Carl Jen_UK
dc.contributor.authorMann, Christopher Hen_UK
dc.contributor.authorRoper, Helen Pen_UK
dc.contributor.authorTipton, Kevinen_UK
dc.contributor.authorJeukendrup, Asker Een_UK
dc.description.abstractPurpose: 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). Methods: On two separate occasions, six endurance-trained men performed an exhaustive glycogen-depleting exercise bout followed by a 4-h recovery period. Muscle biopsy samples were obtained from the vastus lateralis muscle at 0, 1, and 4 h after exercise. Subjects ingested carbohydrate solutions containing G (90 gIhj1) or GF (G = 60 gIhj1; F = 30 gIhj1) commencing immediately after exercise and every 30 min thereafter. Results: Immediate postexercise muscle glycogen concentrations were similar in both trials (G = 128 T 25 mmolIkgj1 dry muscle (dm) vs GF = 112 T 16 mmolIkgj1 dm; P 9 0.05). Total glycogen storage during the 4-h recovery period was 176 T 33 and 155 T 31 mmolIkgj1 dm for G and GF, respectively (G vs GF, P 9 0.05). Hence, mean muscle glycogen synthesis rates during the 4-h recovery period did not differ between the two conditions (G = 44 T 8 mmolIkgj1 dmIhj1 vs GF = 39 T 8 mmolIkgj1 dmIhj1, P 9 0.05). Plasma glucose and serum insulin responses during the recovery period were similar in both conditions, although plasma lactate concentrations were significantly elevated during GF compared to G (by È0.8 mmolILj1, P G 0.05). Conclusions: Glucose and glucose/fructose (2:1 ratio) solutions, ingested at a rate of 90 gIhj1, are equally effective at restoring muscle glycogen in exercised muscles during the recovery from exhaustive exercise.en_UK
dc.publisherLippincott Williams and Wilkins / American College of Sports Medicineen_UK
dc.relationWallis GA, Hulston CJ, Mann CH, Roper HP, Tipton K & Jeukendrup AE (2008) Postexercise Muscle Glycogen Synthesis with Combined Glucose and Fructose Ingestion. Medicine and Science in Sports and Exercise, 40 (10), pp. 1789-1794.;
dc.rightsCopyright 2008 by the American College of Sports Medicine.; The publisher does not allow this work to be made publicly available in this Repository. Please use the Request a Copy feature at the foot of the Repository record to request a copy directly from the author; you can only request a copy if you wish to use this work for your own research or private study.en_UK
dc.subjectExercise Recoveryen_UK
dc.subjectCarbohydrate Supplementationen_UK
dc.subjectMuscle strength Measurementen_UK
dc.subjectAthletic performance Measurementen_UK
dc.titlePostexercise Muscle Glycogen Synthesis with Combined Glucose and Fructose Ingestionen_UK
dc.typeJournal Articleen_UK
dc.rights.embargoreason[Wallis 08 glycogen glc frc cycling MSSE.pdf] The publisher does not allow this work to be made publicly available in this Repository therefore there is an embargo on the full text of the work.en_UK
dc.citation.jtitleMedicine and Science in Sports and Exerciseen_UK
dc.type.statusVoR - Version of Recorden_UK
dc.contributor.affiliationUniversity of Birminghamen_UK
dc.contributor.affiliationUniversity of Birminghamen_UK
dc.contributor.affiliationBirmingham Women’s and Children's NHS Foundation Trusten_UK
dc.contributor.affiliationBirmingham Heartlands Hospitalen_UK
dc.contributor.affiliationUniversity of Birminghamen_UK
rioxxterms.typeJournal Article/Reviewen_UK
local.rioxx.authorWallis, Gareth A|en_UK
local.rioxx.authorHulston, Carl J|en_UK
local.rioxx.authorMann, Christopher H|en_UK
local.rioxx.authorRoper, Helen P|en_UK
local.rioxx.authorTipton, Kevin|0000-0002-6545-8122en_UK
local.rioxx.authorJeukendrup, Asker E|en_UK
local.rioxx.projectInternal Project|University of Stirling|
local.rioxx.filenameWallis 08 glycogen glc frc cycling MSSE.pdfen_UK
Appears in Collections:Faculty of Health Sciences and Sport Journal Articles

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