1. Comparison of Trunk Proprioception Between Patients With Low Back Pain and Healthy Controls 
Angela S. Lee, BS, Jacek Cholewicki, PhD, N. Peter Reeves, PhD, Bohdanna T. Zazulak, DPT, Lawrence W. Mysliwiec, DO 
Archives of Physical Medicine and Rehabilitation 
Volume 91, Issue 9, Pages (September 2010)
DOI: /j.apmr
Copyright © 2010 American Congress of Rehabilitation Medicine Terms and Conditions

2. Fig 1
The apparatus for assessing proprioception in (A) axial rotation and (B) flexion and extension. For lateral bending, the same setup as flexion and extension was used, but the subjects were lying in a supine position.
Archives of Physical Medicine and Rehabilitation  , DOI: ( /j.apmr )
Copyright © 2010 American Congress of Rehabilitation Medicine Terms and Conditions

3. Fig 2
Motion perception threshold (MPT), and errors in active repositioning (AR) and passive repositioning (PR) tests, averaged across planes of motion. *Significant differences (P<.05).
Archives of Physical Medicine and Rehabilitation  , DOI: ( /j.apmr )
Copyright © 2010 American Congress of Rehabilitation Medicine Terms and Conditions