Continuous monitoring of upper limb activity in a free-living environment

Arturo Vega-González, Malcolm H. Granat

Research output: Contribution to journalArticle

Abstract

This study objective was to develop and evaluate a system for the objective measurement of upper-limb activity during a person’s activities of daily living. Ten able-bodied participants and 10 stroke patients took part in the study. A novel activity monitor was developed for monitoring upper-limb activity. The Strathclyde Upper-Limb Activity Monitor (SULAM) gave a signal proportional to the vertical displacement of the wrist with respect to the shoulder. Participants wore the SULAM on both upper limbs for 8 hours while performing their normal daily activities. Data showed that the dominant arm of the able-bodied participants was 19% more active than the nondominant arm, whereas the unaffected arms of the group of stroke patients was used 3 to 6 times more than their affected arm. For all the variables, in both groups, there were significant differences between their upper limbs except for movement below midtrunk. There were also significant differences between groups for bimanual movement time (P=.000) and composite movement time (P=.000).

Original languageEnglish
Pages (from-to)541-548
Number of pages8
JournalArchives of Physical Medicine and Rehabilitation
Volume86
Issue number3
DOIs
Publication statusPublished - 1 Mar 2005

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Upper Extremity
Arm
Stroke
Activities of Daily Living
Wrist

Keywords

  • stroke
  • movement
  • upper limb activity
  • rehabilitation

Cite this

Vega-González, Arturo ; Granat, Malcolm H. / Continuous monitoring of upper limb activity in a free-living environment. In: Archives of Physical Medicine and Rehabilitation. 2005 ; Vol. 86, No. 3. pp. 541-548.
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Continuous monitoring of upper limb activity in a free-living environment. / Vega-González, Arturo; Granat, Malcolm H.

In: Archives of Physical Medicine and Rehabilitation, Vol. 86, No. 3, 01.03.2005, p. 541-548.

Research output: Contribution to journalArticle

TY - JOUR

T1 - Continuous monitoring of upper limb activity in a free-living environment

AU - Vega-González, Arturo

AU - Granat, Malcolm H.

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AB - This study objective was to develop and evaluate a system for the objective measurement of upper-limb activity during a person’s activities of daily living. Ten able-bodied participants and 10 stroke patients took part in the study. A novel activity monitor was developed for monitoring upper-limb activity. The Strathclyde Upper-Limb Activity Monitor (SULAM) gave a signal proportional to the vertical displacement of the wrist with respect to the shoulder. Participants wore the SULAM on both upper limbs for 8 hours while performing their normal daily activities. Data showed that the dominant arm of the able-bodied participants was 19% more active than the nondominant arm, whereas the unaffected arms of the group of stroke patients was used 3 to 6 times more than their affected arm. For all the variables, in both groups, there were significant differences between their upper limbs except for movement below midtrunk. There were also significant differences between groups for bimanual movement time (P=.000) and composite movement time (P=.000).

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