Postural Instability and Gait Impairment During Obstacle Crossing in Parkinson's Disease Elizabeth L. Stegemöller, PhD, Thomas A. Buckley, EdD, Chris Pitsikoulis, EdD, Ernest Barthelemy, MEd, Ryan Roemmich, BS, Chris J. Hass, PhD Archives of Physical Medicine and Rehabilitation Volume 93, Issue 4, Pages 703-709 (April 2012) DOI: 10.1016/j.apmr.2011.11.004 Copyright © 2012 American Congress of Rehabilitation Medicine Terms and Conditions
Fig 1 (A) Example of gait parameters calculated for the approach, crossing, and recovery steps during obstacle crossing. (B) Example of horizontal and vertical obstacle clearance parameters. Abbreviations: LF, leading foot; TF, trailing foot. Archives of Physical Medicine and Rehabilitation 2012 93, 703-709DOI: (10.1016/j.apmr.2011.11.004) Copyright © 2012 American Congress of Rehabilitation Medicine Terms and Conditions
Fig 2 Mean and SEM for gait parameters collected during obstacle crossing. *Significant differences between PD and HOA groups. Archives of Physical Medicine and Rehabilitation 2012 93, 703-709DOI: (10.1016/j.apmr.2011.11.004) Copyright © 2012 American Congress of Rehabilitation Medicine Terms and Conditions
Fig 3 Mean and SEM for obstacle clearance parameters. *Significant differences between PD and HOA groups. Abbreviations: LF, leading foot; TF, trailing foot. Archives of Physical Medicine and Rehabilitation 2012 93, 703-709DOI: (10.1016/j.apmr.2011.11.004) Copyright © 2012 American Congress of Rehabilitation Medicine Terms and Conditions
Fig 4 Mean and SEM for (A) COM displacement, (B) COM-COP separation, and (C) MOS. *Significant differences between PD and HOA groups; P<.05. **P<.01. Abbreviations: LF, leading foot; TF, trailing foot. Archives of Physical Medicine and Rehabilitation 2012 93, 703-709DOI: (10.1016/j.apmr.2011.11.004) Copyright © 2012 American Congress of Rehabilitation Medicine Terms and Conditions