1. Longitudinal Stability of the Fugl-Meyer Assessment of the Upper Extremity 
Michelle L. Woodbury, PhD, Craig A. Velozo, PhD, Lorie G. Richards, PhD, Pamela W. Duncan, PhD, Stephanie Studenski, MD, Sue- Min Lai, PhD 
Archives of Physical Medicine and Rehabilitation 
Volume 89, Issue 8, Pages (August 2008)
DOI: /j.apmr
Copyright © 2008 American Congress of Rehabilitation Medicine and the American Academy of Physical Medicine and Rehabilitation Terms and Conditions

2. Fig 1
Item difficulty measures of t1 (0–14d poststroke) and t2 (6mo poststroke). NOTE. Error bars are ±2 standard error of measurement.
Archives of Physical Medicine and Rehabilitation  , DOI: ( /j.apmr )
Copyright © 2008 American Congress of Rehabilitation Medicine and the American Academy of Physical Medicine and Rehabilitation Terms and Conditions