Unilateral Strength Training and Mirror Therapy in Patients with Chronic Stroke: A Pilot Randomized Trial

Monika Ehrensberger, Daniel Simpson, Patrick Broderick, Catherine Blake, Frances Horgan, Paula Hickey, Joanne O'Reilly, Kenneth Monaghan

Research output: Contribution to journalArticlepeer-review

15 Citations (Scopus)

Abstract

Objective The aim of the study was to investigate the feasibility and potential effectiveness of mirror-aided cross-education compared with cross-education alone in poststroke upper limb recovery. Design A pilot randomized controlled parallel group study was carried out. Thirty-two patients with chronic stroke followed a 4-wk isometric strength training program performed with the less-affected upper limb three times per week. Participants in the mirror and strength training group observed the reflection of the exercising arm in the mirror. Participants in the strength training only group exercised without a mirror entirely. Participant compliance, adverse effects, and suitability of outcome measures assessed feasibility. Effectiveness outcomes included maximal isometric strength measured with the Biodex Dynamometer, the Modified Ashworth Scale, and the Chedoke Arm and Hand Activity Inventory. Results Compliance was high with no adverse effects. The use of the Biodex Dynamometer must be reviewed. Mirror therapy did not augment the cross-education effect (P > 0.05) in patients with chronic stroke when training isometrically. Conclusions This pilot trial established the feasibility of a randomized controlled trial comparing mirror-aided cross-education with cross-education alone for poststroke upper limb recovery. Mirror therapy did not augment cross-education when training isometrically. However, results indicate that the combination of interventions should be investigated further applying an altered training protocol.

Original languageEnglish
Pages (from-to)657-665
Number of pages9
JournalAmerican Journal of Physical Medicine and Rehabilitation
Volume98
Issue number8
DOIs
Publication statusPublished - 1 Aug 2019

Keywords

  • Cross-Education
  • Mirror Therapy
  • Stroke Rehabilitation
  • Unilateral Strength Training

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