Assertion: spinal accessory nerve | /r/HasProperty | susceptible to injury
Facets:
value: with resulting trapezius
type: OTHER
value: above the sternomastoid branch
type: LOCATION
Source sentences:
text: The spinal accessory nerve is most susceptible to injury in its superficial course through the posterior cervical triangle (causing trapezius palsy) and less frequently above the sternomastoid branch (with resulting trapezius and sternomastoid weakness).