1. Biomechanic characteristics of patients with spastic and dystonic hypertonia in cerebral palsy1 
Maria K Lebiedowska, PhD, Deborah Gaebler-Spira, MD, Richard S Burns, MD, PhD, John R Fisk, MD 
Archives of Physical Medicine and Rehabilitation 
Volume 85, Issue 6, Pages (June 2004)
DOI: /j.apmr

2. Fig 1
The strength of velocity-dependent activation of the rectus femoris muscle (RECflex INC) depends on the amplitude of tendon jerks in patients with spasticity (○), but not in patients with dystonia (•). The ranges of the normal values marked with the shaded area.
Archives of Physical Medicine and Rehabilitation  , DOI: ( /j.apmr )

3. Fig 2
Patients with dystonia (•) walked slower (v) than patients with spasticity (○), as a result of decreased strength (MVCext). NOTE. MVCext= v; r=.54.
Archives of Physical Medicine and Rehabilitation  , DOI: ( /j.apmr )