A moderate intensity exercise program did not increase the oxidative stress in older adults

Sarah Aldred, M Rohalu

Research output: Contribution to journalArticle

14 Citations (Scopus)


Oxidative damage to lipoproteins, in particular low density lipoprotein (LDL), is known to play a role in a number of diseases associated with aging such as cardiovascular disease (CVD) and dementia. Exercise can alter the balance of oxidative and anti-oxidative species within the human body and may cause oxidative damage to lipoproteins. The purpose of this study was to assess the effect of a moderate intensity exercise program on markers of oxidative stress in older age adults. Parameters of lipoprotein protein and lipid oxidation, and lipoprotein nitration were assessed in aged individuals who undertook a program of moderate physical activity for a period of 8 weeks. There were no significant changes in LDL protein oxidation or nitration which could be attributed to 8 weeks of walking exercise, however, LDL nitration was increased following acute steady state exercise (pre-: 0.34±0.1 vs. post-: 0.44±0.07μm/mg LDL; p=0.04). Walking at moderate intensity caused a significant weight decrease in the exercise group, but did not have any significant effect on VO(2)max. Exercise at this intensity was not harmful and did not increase risk factors for diseases associated with oxidative stress in the participants of the study.
Original languageEnglish
Pages (from-to)350-353
Number of pages4
JournalArchives of Gerontology and Geriatrics
Issue number3
Early online date13 Jan 2011
Publication statusPublished - 1 Nov 2011


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