Stepping to an Auditory Metronome Improves Weight-Bearing Symmetry in Poststroke Hemiparesis

Rachel L Wright, Joseph W Bevins, David Pratt, Catherine M Sackley, Alan M Wing

Research output: Contribution to journalArticlepeer-review

Abstract

Asymmetry in weight-bearing is a common feature in poststroke hemiparesis and is related to temporal asymmetry during walking. The aim of this study was to investigate the effect of an auditory cue for stepping in place on measures of temporal and weight-bearing asymmetry. A total of 10 community-dwelling adults (6 males and 4 females) with chronic poststroke hemiparesis performed 5 un-cued stepping trials and 5 stepping trials cued by an auditory metronome cue. A Vicon system was used to collect full body kinematic trajectories. Two force platforms were used to measure ground reaction forces. Step, swing, and stance times were used to calculate temporal symmetry ratios. Weight-bearing was assessed using the vertical component of the ground reaction force and center of mass-center of pressure separation at mid-stance. Weight-bearing asymmetry was significantly reduced during stepping with an auditory cue. Asymmetry values for step, swing, and stance times were also significantly reduced with auditory cueing. These findings show that auditory cueing when stepping in place produces immediate reductions in measures of temporal asymmetry and dynamic weight-bearing asymmetry.

Original languageEnglish
Pages (from-to)469-473
Number of pages5
JournalJournal of Applied Biomechanics
Volume34
Issue number6
DOIs
Publication statusPublished - 21 Nov 2018
Externally publishedYes

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