Figure 6
Location of the motor pools for selected ankle flexor and extensor muscles with respect to the spinal cord level and the sites of electrode implantation. Vertebral (yellow) and spinal cord (red) levels with respect to the 27 electrodes on the array (black circles) and the location of the motor pools of an ankle flexor (TA, tibialis anterior) and two ankle extensor (MG, medial gastrocnemius, and Soleus) muscles.