Exploring the Role of Accelerometers in the Measurement of Real World Upper-Limb Use after Stroke

Kathryn S. Hayward, Janice J. Eng, Lara A. Boyd, Bimal Lakhani, Julie Bernhardt, Catherine E. Lang

Research output: Contribution to journalArticlepeer-review

67 Scopus citations

Abstract

The ultimate goal of upper-limb rehabilitation after stroke is to promote real-world use, that is, use of the paretic upper-limb in everyday activities outside the clinic or laboratory. Although real-world use can be collected through self-report questionnaires, an objective indicator is preferred. Accelerometers are a promising tool. The current paper aims to explore the feasibility of accelerometers to measure upper-limb use after stroke and discuss the translation of this measurement tool into clinical practice. Accelerometers are non-invasive, wearable sensors that measure movement in arbitrary units called activity counts. Research to date indicates that activity counts are a reliable and valid index of upper-limb use. While most accelerometers are unable to distinguish between the type and quality of movements performed, recent advancements have used accelerometry data to produce clinically meaningful information for clinicians, patients, family and care givers. Despite this, widespread uptake in research and clinical environments remains limited. If uptake was enhanced, we could build a deeper understanding of how people with stroke use their arm in real-world environments. In order to facilitate greater uptake, however, there is a need for greater consistency in protocol development, accelerometer application and data interpretation.

Original languageEnglish
Pages (from-to)16-33
Number of pages18
JournalBrain Impairment
Volume17
Issue number1
DOIs
StatePublished - Mar 1 2016

Keywords

  • accelerometry
  • arm
  • paresis
  • recovery
  • stroke
  • wearable sensors

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