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Effects of multicomponent exercise on blood lipids in the elderly

Published online by Cambridge University Press:  19 October 2012

J. Costa Leite
Affiliation:
School of Agriculture, Food Science and Veterinary Medicine, UCD, Belfield, Dublin 4, Republic of Ireland
R. Forte
Affiliation:
Institute For Sports and Health, Newstead Building, UCD, Belfield, Dublin 4, Republic of Ireland
G. Devitto
Affiliation:
Institute For Sports and Health, Newstead Building, UCD, Belfield, Dublin 4, Republic of Ireland
C. Boreham
Affiliation:
Institute For Sports and Health, Newstead Building, UCD, Belfield, Dublin 4, Republic of Ireland
M. Gibney
Affiliation:
School of Agriculture, Food Science and Veterinary Medicine, UCD, Belfield, Dublin 4, Republic of Ireland
L. Brennan
Affiliation:
School of Agriculture, Food Science and Veterinary Medicine, UCD, Belfield, Dublin 4, Republic of Ireland
E. R. Gibney
Affiliation:
School of Agriculture, Food Science and Veterinary Medicine, UCD, Belfield, Dublin 4, Republic of Ireland
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Abstract

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Abstract
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Copyright © The Authors 2012

According to recent Eurostat projections, the Irish population over 65 years will increase from 11% in 2010 up to 22% in 2060( 1 ). This will lead to a workforce decline and increased health care costs with a consequent economical impact( Reference Muenz 2 ). To address the challenges of an aged population, multicomponent training (MCT) has been shown to be effective in preserving functional abilities, reducing the risk for falls and improving health and quality of life in the elderly( Reference Baker and Atlantis 3 ). However, there is very little data regarding the effects of this training program on metabolic health( Reference Carvalho and Marques 4 ). Thus, the aim of the present study was to examine the effect of MCT on blood lipid profiles in an older Irish population. The study was approved by the Human Research Ethics Committee of University College Dublin and written informed consent was obtained.

Twenty one healthy, sedentary women (n=14) and men (n=7) aged between 65 and 75 years (70±3 years) completed a 12-week, twice a week supervised MCT program (attendance level=90±9%). Classes took approximately 60–75 minutes and exercises were designed to improve functional ability, strength, balance, coordination, flexibility and cognitive function. Fasting blood samples were collected prior to and following the MCT intervention and serum total cholesterol, triglycerides, LDL-C and HDL-C and NEFA were measured. Total body composition was measured by dual energy x-ray absorptiometry. Subjects completed an EPIC FFQ to assess baseline dietary intakes( Reference Wareham and Jakes 5 ).

Table 1. Pre and Posttraining values for biochemical

aMulti-component training, Data are mean ± sd. Pre and Post Student's t-test.

In the present study subjects reported energy intakes of 1849±568 kcal, with % energy from protein 19±4%, fat 31±5%, and carbohydrate 47±8%. No significant changes in body composition or blood lipid concentrations were found after a 12 week MCT training program (see Table 1). Previously, it has been observed that MCT could improve blood lipids but the exercise intervention was longer and more frequent than the current study4. In conclusion, MCT is an effective strategy to improve functional health but the characteristics of exercise interventions may influence the potential impact of MCT program on metabolic health.

References

1. Eurostat (2011) “Eurostat Population Projections 2010–2060.” DOI: http://ec.europa.eu/eurostat.Google Scholar
2. Muenz, R (2007) “Aging and Demographic Change in European Societies: Main Trends and Alternative Policy Options.” Sp Discussion Paper 0703.Google Scholar
3. Baker, MK, Atlantis, E et al. (2007) “Multi-modal exercise programs for older adults.” Age Ageing 36(4): 375381.CrossRefGoogle Scholar
4. Carvalho, J, Marques, E et al. (2010) “Multicomponent exercise program improves blood lipid profile and antioxidant capacity in older women.” Arch Gerontol Geriatr 51(1): 15.CrossRefGoogle Scholar
5. Wareham, NJ, Jakes, RW et al. (2002). “Validity and repeatability of the EPIC-Norfolk Physical Activity Questionnaire.” Int J Epidemiol 31(11914316): 168174.CrossRefGoogle ScholarPubMed

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