Studying the cutaneous microcirculatory response during upper-limb exercise in healthy, older, sedentary people

KLONIZAKIS, Markos (2012). Studying the cutaneous microcirculatory response during upper-limb exercise in healthy, older, sedentary people. Clinical Hemorheology and Microcirculation, 51 (1), 69-75.

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Official URL: http://www.iospress.nl/journal/clinical-hemorheolo...
Link to published version:: 10.3233/CH-2011-1510

Abstract

This study investigated changes incurred in cutaneous skin blood flux (SKBF) in the superficial veins of the lower limb by upper limb exercise training in the form of arm-cranking in 14 healthy participants over the age of 50 years. Changes in cutaneous microvascular function of the lower leg were assessed using laser Doppler Flowmetry (LDF) during a 30-minute exercise session undertaken over 4-exercise periods. Both SKBF and Time to reach Peak Perfusion (Tmax) were improved significantly during the 2nd (e.g. 121 (± 107.2) vs 280 (± 269.1) and 171 (± 34.4) vs. 247 (± 38.3) respectively) when compared to the first exercise period, while values approaching initial levels in the following stages. The results indicate that the thermoregulatory and vasodilation mechanisms observed during exercise in middle-aged and older healthy people are different to the one appearing in younger age groups, suggesting a more extensive effect of the age-related structural changes than it was previously thought.

Item Type: Article
Research Institute, Centre or Group: Centre for Sport and Exercise Science
Identification Number: 10.3233/CH-2011-1510
Depositing User: Rachel Davison
Date Deposited: 20 Mar 2013 16:56
Last Modified: 20 Mar 2013 16:56
URI: http://shura.shu.ac.uk/id/eprint/6771

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