The improvement of walking speed after cardiac rehabilitation is associated with the reduction in the metabolic cost of walking in older persons

Raffaele Molino-Lova, Guido Pasquini, Federica Vannetti, Anita Paperini, Tatiana Forconi, Renato Zipoli, Paola Polcaro, Francesca Cecchi, Claudio Macchi

Research output: Contribution to journalArticlepeer-review

Abstract

Background: To walk a given distance older persons consume more metabolic energy than younger adults across all speeds. As physical activity interventions improve a variety of physical performance measures in older persons, including walking speed, in this study we hypothesized that the improvement of walking speed might be associated with the reduction of the metabolic cost of walking and we tested our hypothesis in a selected sample of older patients receiving cardiac rehabilitation. Methods: In 120 patients (88 men and 32 women, mean age 74.1 years ± SD 5.0) we assessed energy expenditure during the 6-min Walk Test (6mWT) before and after the rehabilitation using a portable system for direct calorimetry. Results: On the 6mWT performed after the rehabilitation patients significantly increased total energy expenditure (28.0. kcal ± SD 8.3 vs. 25.7. kcal ± SD 7.6, p

Original languageEnglish
Pages (from-to)458-461
Number of pages4
JournalGait and Posture
Volume35
Issue number3
DOIs
Publication statusPublished - Mar 2012

Keywords

  • Elderly, Rehabilitation
  • Gait economy
  • Physical activity

ASJC Scopus subject areas

  • Orthopedics and Sports Medicine
  • Rehabilitation
  • Biophysics

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