Resistance training lowers exercise-induced oxidative stress and homocysteine levels in overweight and obese older adults.

Resistance training lowers exercise-induced oxidative stress and homocysteine levels in overweight and obese older adults. Research Abstract Details 

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Resistance training lowers exercise-induced oxidative stress and homocysteine levels in overweight and obese older adults. Abstract Text:

Heather K Vincent,Cheryl Bourguignon,Kevin R Vincent,Heather K Vincent,Cheryl Bourguignon,Kevin R Vincent,

OBJECTIVE: To compare exercise-induced oxidative stress and levels of homocysteine and cholesterol in normal-weight and overweight older adults after resistance exercise (RX). RESEARCH METHODS AND PROCEDURES: This interventional study was conducted at a wellness center. Forty-nine older adults (age range, 60 to 72 years) were stratified by BMI (<25 kg/m(2) normal weight, > or =25 kg/m(2) overweight/obese) and then randomly assigned to either a control non-exercise group or an RX group. The RX group completed a 6-month training program. Exercise-induced lipid hydroperoxides (PEROXs) and thiobarbituric-reactive acid substances, homocysteine, lipoprotein a, cholesterol, and high-density lipoprotein cholesterol were measured before and after the 6-month RX program. RESULTS: PEROXs and thiobarbituric-reactive acid substances were lower in both the overweight/obese and normal-weight RX-trained groups compared with control groups (p < 0.05). Homocysteine levels were lower in both overweight/obese and normal-weight RX groups compared with control groups (p < 0.05). Lipoprotein a, total cholesterol, and high-density lipoprotein cholesterol were not different in normal-weight and overweight/obese groups before or after RX. The change in muscle strength was correlated with homocysteine at 6 months (r = -0.452, p < 0.05), whereas the change in PEROXs was correlated with the change in body fat (r = -0.329). DISCUSSION: To our knowledge, these data are the first to show that RX reduces exercise-induced oxidative stress and homocysteine regardless of adiposity, indicating that this protection can be afforded in an older, overweight/obese population as effectively as in healthy older adults. These data suggest that RX may afford some protection against emerging cardiovascular risk factors using a mode of exercise that supports body weight.

Resistance training lowers exercise-induced oxidative stress and homocysteine levels in overweight and obese older adults. Publishing Authors By Initials

HK Vincent,C Bourguignon,KR Vincent,HK Vincent,C Bourguignon,KR Vincent,

For similar human activities: leisure activities: recreation: sports: weight lifting research abstracts see: human activities: leisure activities: recreation: sports: weight lifting research

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Resistance training lowers exercise-induced oxidative stress and homocysteine levels in overweight and obese older adults. Journal Published:

PUBLICATION TYPE: Research Support, N.I.H., Extr

Journal: Obesity (Silver Spring, Md.)

VOLUME: 14

Page Numbers: 1921-30

Journal Abbreviation:

ISSN: 1930-7381

DAY: 3

MONTH: Nov

YEAR: 2006

Resistance training lowers exercise-induced oxidative stress and homocysteine levels in overweight and obese older adults. Information

Number of References:

LANGUAGE: eng

NlmUniqueID: 101264860

Resistance training lowers exercise-induced oxidative stress and homocysteine levels in overweight and obese older adults. Keywords Mesh Terms:

KEYWORDS: Weight Lifting

MESH TERMS: physiology

Chemical & Substance for Abstract: Resistance training lowers exercise-induced oxidative stress and homocysteine levels in overweight and obese older adults. Information

Substance Name: Cholesterol

Registry Number: 57-88-5

Grant and Affiliation Information for Resistance training lowers exercise-induced oxidative stress and homocysteine levels in overweight and obese older adults.

AFFILIATION: Center for the Study of Complementary and Alternative Therapies, University of Virginia Health System, Charlottesville, VA, USA. hvincent@adelphia.net

Country: United States

AGENCY: United States NCCAM

GRANT: T32-AT00052

ACRONYM: AT

MEDLINETA: Obesity (Silver Spring)

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