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Temporal Coordination of the Sit-to-Walk Task in Subjects With Stroke and in Controls  Gunilla E. Frykberg, MSc, Anna Cristina Åberg, PhD, Kjartan Halvorsen,

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Presentation on theme: "Temporal Coordination of the Sit-to-Walk Task in Subjects With Stroke and in Controls  Gunilla E. Frykberg, MSc, Anna Cristina Åberg, PhD, Kjartan Halvorsen,"— Presentation transcript:

1 Temporal Coordination of the Sit-to-Walk Task in Subjects With Stroke and in Controls 
Gunilla E. Frykberg, MSc, Anna Cristina Åberg, PhD, Kjartan Halvorsen, PhD, Jörgen Borg, PhD, Helga Hirschfeld, PhD  Archives of Physical Medicine and Rehabilitation  Volume 90, Issue 6, Pages (June 2009) DOI: /j.apmr Copyright © 2009 American Congress of Rehabilitation Medicine Terms and Conditions

2 Fig 1 Experimental set up of STW with 38 markers (including 6 clusters) and 4 forceplates. The reference coordinates are the same for kinematics and kinetics. Archives of Physical Medicine and Rehabilitation  , DOI: ( /j.apmr ) Copyright © 2009 American Congress of Rehabilitation Medicine Terms and Conditions

3 Fig 2 Four STW phases (1–4), representing 100% movement time, defined by the timing of 5 events (I–V). The data originate from 1 trial of a control person. Thick lines represent traces of vertical force data from the first forthcoming swing leg and the ipsilateral buttock. Abbreviations: BW, body weight; x, anterior-posterior. Archives of Physical Medicine and Rehabilitation  , DOI: ( /j.apmr ) Copyright © 2009 American Congress of Rehabilitation Medicine Terms and Conditions

4 Fig 3 Variability of the STW performance in 6 trials in a subject with stroke (A) and in the matched control person (B). STW events (I–V) define 4 phases (1–4). The vertical lines illustrate phases in 1 representative trial for each person. Abbreviations: BW, body weight; x, anterior-posterior. Archives of Physical Medicine and Rehabilitation  , DOI: ( /j.apmr ) Copyright © 2009 American Congress of Rehabilitation Medicine Terms and Conditions

5 Fig 4 Group means and SDs of relative duration (in % of 100% movement time) of STW phases in subjects with stroke (n=10) and in control subjects (n=10). Vertical lines illustrate relative STW phase duration of the control group. Archives of Physical Medicine and Rehabilitation  , DOI: ( /j.apmr ) Copyright © 2009 American Congress of Rehabilitation Medicine Terms and Conditions

6 Fig 5 Interaction plot of relative STW phase duration grouped by group × phase. Group means and 95% confidence intervals (CIs) of relative STW phase duration are expressed as percentages of 100% movement time. Archives of Physical Medicine and Rehabilitation  , DOI: ( /j.apmr ) Copyright © 2009 American Congress of Rehabilitation Medicine Terms and Conditions


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