Assertion: lumbar plexus's branch | /r/CapableOf | innervate the facet
Facets:
Source sentences:
text: Each medial branch of the posterior primary ramus participates in the innervation of 3 facet joints: one branch innervates the facet joint above the level, the second branch innervates at that level, and the third branch descends caudally to the level below.