Figure 1
An x-ray of the unilateral L5-6 and L6-7 facet joint fixation and a photograph depicting the modified Activator IV device with attached dynamic load cell and tri-axial accelerometer.
Figure 1
An x-ray of the unilateral L5-6 and L6-7 facet joint fixation and a photograph depicting the modified Activator IV device with attached dynamic load cell and tri-axial accelerometer.