Systemic Vascular Function Is Associated with Muscular Power in Older Adults

Age-associated loss of muscular strength and muscular power is a critical determinant of loss of physical function and progression to disability in older adults. In this study, we examined the association of systemic vascular function and measures of muscle strength and power in older adults. Measur...

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Bibliographic Details
Published in:Journal of Aging Research 2012, Vol.2012 (2012), p.474-483
Main Authors: Heffernan, Kevin S., Chalé, Angela, Hau, Cynthia, Cloutier, Gregory J., Phillips, Edward M., Warner, Patrick, Nickerson, Heather, Reid, Kieran F., Kuvin, Jeffrey T., Fielding, Roger A.
Format: Article
Language:English
Subjects:
Clinical Study
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Summary:Age-associated loss of muscular strength and muscular power is a critical determinant of loss of physical function and progression to disability in older adults. In this study, we examined the association of systemic vascular function and measures of muscle strength and power in older adults. Measures of vascular endothelial function included brachial artery flow-mediated dilation (FMD) and the pulse wave amplitude reactive hyperemia index (PWA-RHI). Augmentation index (AIx) was taken as a measure of systemic vascular function related to arterial stiffness and wave reflection. Measures of muscular strength included one repetition maximum (1RM) for a bilateral leg press. Peak muscular power was measured during 5 repetitions performed as fast as possible for bilateral leg press at 40% 1RM. Muscular power was associated with brachial FMD (r=0.43, P
ISSN:2090-2212
2090-2204
2090-2212
DOI:10.1155/2012/386387