semispinalis muscles Flashcards
1
Q
what do semispinalis muscles span? where are they represented?
A
about 6 vertebrae
only upper half of vertebral column (T10 and superior)
2
Q
were do semispinalis thoracis and cervicis originate? insert?
A
from transverse processes of thoracic vertebrea
insert onto spines of higher vertebrae
3
Q
semispinalis capitis origin/insertion
A
tips of transverse processes of upper thoracic and lower cervical vertebrae
insert: occipital bone between the nuchal lines. large dorsal rami of spinal nerves C2 and C3 pierce this muscle.
