Anatomical basis
cervical afferents to the vestibular nuclei are believed to be the substrate of cervical reflexes
spindle fibbers from perivertebral muscles play a major role in the cervical reflexes
proprioceptive endings of the occipitoatloid and atlantoaxial articulations, which are innervated by the C1 and C2 spinal roots also contributes to this pathways
at least two cervico-vestibular pathways were identified :
a direct one in which fibbers arrive through the posterior root of the first cervical segment along the posterior columns
the indirect way is represented by the spinocerebellar dorsal fascicle that courses in the lateral columns of the spinal cord