Endurox R4® & Gatorade®: Effects of Recovery Drinks After Prolonged Glycogen-Depleting Exercise

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dc.contributor.advisorRaven, Peter B.
dc.contributor.committeeMemberSmith, Michael
dc.contributor.committeeMemberShi, Xiangrong
dc.creatorWilliams, Michael Brandon
dc.date.accessioned2019-08-22T20:01:49Z
dc.date.available2019-08-22T20:01:49Z
dc.date.issued1999-06-01
dc.date.submitted2014-04-14T08:48:04-07:00
dc.description.abstractWilliams, Michael B., Endurox R4® & Gatorade®: Effects of Recovery Drinks After Prolonged Glycogen-Depletion Exercise. Master of Science (Biomedical Sciences, Integrative Physiology), June, 1999, 73 pp., 2 tables, 18 figures, references. Purpose: Eight high-fit (bicycle Vo2max=62.4 ± 1.10 ml·kg-1·min-1) male cyclists, aged 28.4±1.65 yrs, performed a two-hour endurance bicycle exercise to achieve depletion of skeletal muscle and liver glycogen. During recovery, Endurox R4 Recovery Drink®, or Gatorade®, was ingested to investigate their relative restorative capacities to enable further exercise. Methods: Each subject performed two days of testing: one for each drink presented in random order. On each testing day, the twelve-hour fasted subject performed a two-hour cycling exercise bout at 75% VO2max followed by one to three five-minute sprints at 85% VO2max. At the end of the exercise blood glucose concentrations were 3.98±0.138 mmol/L. A four hour recovery period ensued in which the subject was given 24-ounces of the recovery drink. A performance test at 85% VO2max to exhaustion was then conducted. Ventilatory responses were collected breath-to-breath, while venous blood samples were measured for oxidation products, glucose and insulin concentrations. Results: The recovery phase showed significant increases in both plasma glucose and serum insulin following Endurox R4 Recovery Drink® ingestion as compared to Gatorade®. There was a significant increase in time to exhaustion (+55%) following Endurox R4 Recovery Drink® during the performance ride compared to Gatorade®. Final oxidation products following Endurox R4 Recovery Drink® ingestion were significantly decreased as compared to Gatorade® ingestion, in that Thiobarbituric Acid Reactive Substrates (T-BARS) were significantly decreased. Conclusions: These data indicate that the Endurox R4 Recovery Drink®, when compared to Gatorade®, significantly enhanced recovery from glycogen-depleting exercise. In addition, Endurox R4 Recovery® Drink decreased the formation of final oxidation products, when compared to Gatorade®.
dc.format.mimetypeapplication/pdf
dc.identifier.urihttps://hdl.handle.net/20.500.12503/27602
dc.language.isoen
dc.provenance.legacyDownloads1
dc.subjectCirculatory and Respiratory Physiology
dc.subjectExercise Physiology
dc.subjectExercise Science
dc.subjectFood Science
dc.subjectKinesiology
dc.subjectLife Sciences
dc.subjectMedical Nutrition
dc.subjectMedical Physiology
dc.subjectMedicine and Health Sciences
dc.subjectNutrition
dc.subjectOther Food Science
dc.subjectOther Kinesiology
dc.subjectOther Nutrition
dc.subjectPhysiology
dc.subjectRehabilitation and Therapy
dc.subjectSports Sciences
dc.subjectSystems and Integrative Physiology
dc.subjectEndurox R4
dc.subjectGatorade
dc.subjectRecovery drinks
dc.subjecteffects
dc.subjectprolonged glycogen-depletion exercise
dc.subjecthigh fit bike
dc.subjectV02 max
dc.subjectrestorative capacity
dc.subjecteffectiveness
dc.subjectendurance bicycle
dc.subjectexercise blood glucose
dc.subjectthiobarbituric acid reactive substrates
dc.subjectT-BARS
dc.subjectfinal oxidation products
dc.subjectventilatory responses
dc.subjectglucose
dc.subjectserum insulin
dc.titleEndurox R4® & Gatorade®: Effects of Recovery Drinks After Prolonged Glycogen-Depleting Exercise
dc.typeThesis
dc.type.materialtext
thesis.degree.departmentGraduate School of Biomedical Sciences
thesis.degree.disciplineIntegrative Physiology
thesis.degree.grantorUniversity of North Texas Health Science Center at Fort Worth
thesis.degree.nameMaster of Science

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