Spinal Cord Injury and Time to Instability in Seated Posture Sunghoon Shin, PhD, Jacob J. Sosnoff, PhD Archives of Physical Medicine and Rehabilitation Volume 94, Issue 8, Pages 1615-1620 (August 2013) DOI: 10.1016/j.apmr.2013.02.008 Copyright © 2013 American Congress of Rehabilitation Medicine Terms and Conditions
Fig 1 Schematic of VTC computation with respect to 2-dimensional functional stability boundary during the quiet sitting task. Abbreviations: v¯, instantaneous velocity vector; a¯, instantaneous acceleration vector. Archives of Physical Medicine and Rehabilitation 2013 94, 1615-1620DOI: (10.1016/j.apmr.2013.02.008) Copyright © 2013 American Congress of Rehabilitation Medicine Terms and Conditions
Fig 2 Functional reach as a function of group. Archives of Physical Medicine and Rehabilitation 2013 94, 1615-1620DOI: (10.1016/j.apmr.2013.02.008) Copyright © 2013 American Congress of Rehabilitation Medicine Terms and Conditions
Fig 3 (A) COP velocity and (B) RMS as a function of group. Archives of Physical Medicine and Rehabilitation 2013 94, 1615-1620DOI: (10.1016/j.apmr.2013.02.008) Copyright © 2013 American Congress of Rehabilitation Medicine Terms and Conditions
Fig 4 Representative COP trajectory for the boundary task and quiet sitting task from a participant of each group. The thick line represents the functional boundary (top), and the thin line represents the COP trajectory (bottom). Abbreviations: AP, anteroposterior; ML, mediolateral. Archives of Physical Medicine and Rehabilitation 2013 94, 1615-1620DOI: (10.1016/j.apmr.2013.02.008) Copyright © 2013 American Congress of Rehabilitation Medicine Terms and Conditions
Fig 5 (A) Functional stability boundary, (B) instability index, and (C) mean VTC as a function of group. Archives of Physical Medicine and Rehabilitation 2013 94, 1615-1620DOI: (10.1016/j.apmr.2013.02.008) Copyright © 2013 American Congress of Rehabilitation Medicine Terms and Conditions