1. Evaluation of selected electric-powered wheelchairs using the ANSI/RESNA standards1 
Andrew J Rentschler, MS, Rory A Cooper, PhD, Shirley G Fitzgerald, PhD, Michael L Boninger, MD, Songfeng Guo, PhD, William A Ammer, BS, Megan Vitek, MS, David Algood, BS 
Archives of Physical Medicine and Rehabilitation 
Volume 85, Issue 4, Pages (April 2004)
DOI: /j.apmr

2. Fig 1 An E&J Lancer being tested for downhill static stability.
Archives of Physical Medicine and Rehabilitation  , DOI: ( /j.apmr )

3. Fig 2 A Quickie P200 being tested on the 2-drum machine.
Archives of Physical Medicine and Rehabilitation  , DOI: ( /j.apmr )

4. Fig 3 An Invacare Storm being tested on the curb-drop machine.
Archives of Physical Medicine and Rehabilitation  , DOI: ( /j.apmr )

5. Fig 4
Stability scores. Each data point equals the average of all EPWs for a given stability condition.
Archives of Physical Medicine and Rehabilitation  , DOI: ( /j.apmr )

6. Fig 5
Stability scores continued. Each data point equals the average of all EPWs for a given stability condition.
Archives of Physical Medicine and Rehabilitation  , DOI: ( /j.apmr )

7. Fig 6
Braking distance. Each data point equals the average forward stopping distance of all EPWs for a given braking method.
Archives of Physical Medicine and Rehabilitation  , DOI: ( /j.apmr )

8. Fig 7
Braking distance. Each data point equals the average backward stopping distance of all EPWs for a given braking method.
Archives of Physical Medicine and Rehabilitation  , DOI: ( /j.apmr )