Effect of hydroxytyrosol supplementation on muscle damage in healthy human following an acute bout of exercise

dc.contributor.advisorFarrar, Roger P.
dc.contributor.advisorIvy, John, 1945-
dc.creatorKim, Heon Taeen
dc.date.accessioned2013-11-19T22:32:38Zen
dc.date.issued2013-05en
dc.date.submittedMay 2013en
dc.date.updated2013-11-19T22:32:39Zen
dc.descriptiontexten
dc.description.abstractThe purpose of this study was to investigate the effects of 6 weeks of hydroxytyrosol (HT) supplementation on markers of muscle damage in healthy, recreationally active men before and throughout acute aerobic exercise bouts. Using a randomized, double-blind, repeated-measures, placebo-controlled design, sixty-one (n = 61) subjects (21.46 ± 0.22 yrs, 179.46 ± 0.79 cm, 78.91 ± 1.19 kg) consumed either a high dose (HI) HT supplement (150 mg HT), a low dose (LO) HT supplement (50 mg HT), or a placebo (PLA) every day for 6 weeks. Throughout the course of the study, the subjects performed four time trial rides (TT1-TT4) on a cycle ergometer. TT1 occurred before supplementation, TT2 halfway through the supplementation period, and TT3 and TT4 occurred in the sixth week and final two days of supplementation. Blood was drawn prior to (pre) and just before termination (end) of each time trial to measure markers of muscle damage during exercise. We observed that endurance exercise increased indicators of muscle damage, CPK and myoglobin, but an association between HT treatment and reduced muscle damage indicators during exercise were not demonstrated. However, the HT supplementation for 6 weeks in recreationally-active males improved time trial performance in the HT treatment groups over the course of the study and this improvement was accompanied by a lower increase in myoglobin concentration in blood in the HI treatment group than in the LO treatment group. Also, performance was improved after 6 weeks in the PLA group. This improvement was associated with an increase in rating of perceived exertion (RPE). RPE was not increased in either the LO and HI treatment groups, although time trial performance was significantly improved. It is possible that HT can improve performance by altering perception of effort. We conclude that chronic and acute HT supplementation did not reduce markers of muscle damage in this population at rest, during, or following exercise, but improved aerobic performance.en
dc.description.departmentKinesiology and Health Educationen
dc.format.mimetypeapplication/pdfen
dc.identifier.urihttp://hdl.handle.net/2152/22280en
dc.language.isoen_USen
dc.subjectHydroxytyrosolen
dc.subjectSkeletal muscle damageen
dc.subjectEndurance exercise performanceen
dc.subjectAntioxidanten
dc.titleEffect of hydroxytyrosol supplementation on muscle damage in healthy human following an acute bout of exerciseen
thesis.degree.departmentKinesiology and Health Educationen
thesis.degree.disciplineKinesiologyen
thesis.degree.grantorThe University of Texas at Austinen
thesis.degree.levelMastersen
thesis.degree.nameMaster of Science in Kinesiologyen

Access full-text files

Original bundle

Now showing 1 - 1 of 1
Loading...
Thumbnail Image
Name:
KIM-THESIS-2013.pdf
Size:
1.36 MB
Format:
Adobe Portable Document Format

License bundle

Now showing 1 - 1 of 1
No Thumbnail Available
Name:
LICENSE.txt
Size:
1.84 KB
Format:
Plain Text
Description: