Back + Posterior Neck/Head Muscles Flashcards
what back group is innervated by dorsal rami
deep back (intrinsic)
what are the superficial back muscles
lat
trap
levator
rhomboids
what are axio-appendicular muscles
they connect the axial skeleton to the appendicular skeleton
list the intrinsic back muscles from most superficial to the deepest
- splenius captitis/cervicis
- erector spinae (ilio, long, spinalis)
- semispinalis
- multifidi
- rotatores
what muscles are in the transversospinalis
semispinalis
multifidi
rotatores
what is the only neck muscle with striations that match the external obliques
splenius capitis
paraspinals
another name for the erector spinae group
what movements do the erector spinae do
extend and ipsilaterally side bend
how many spinal levels do rotatores brevis and longus go up
brevis: 1
longus: 2
TP to SP
how many spinal levels do multifidi go up
2-4 levels
where is the multifidus the thickest at
lumbar spine
what spinal areas are the semispinalis muscles in
thoracic and cervical
what are the boarders of the suboccipital triangle
- rectus capitis posterior major
- obliquus capitis inferior
- obliquus capitis superior
what are the contents in the suboccipital triangle
suboccipital nerve (C1)
vertebral artery
what artery in the neck do we become more reliant on as we age
the vertebral artery
what suboccipitals rotate the head
- rectus capitis posterior major
- rectus capitis posterior minor
- obliquus capitis inferior
what suboccipitals extend the head
- rectus capitis posterior major
- rectus capitis posterior minor
- obliquus capitis superior
what 3 nerves innervate the semispinalis (from cranial to caudal)
greater occipital nerve (C2)
least occipital nerve (C3)
Nerve C4
what are all the muscles in the back/neck that contralaterally rotate the head (3)
- upper trapezius
- sternocleidomastoid
- semispinalis capitis
what are all the muscles in the back/neck that ipsilaterally rotate the head (5)
- rectus capitis posterior major
- rectus capitis posterior minor
- obliquus capitis inferior
- longissimus capitis
- splenius capitis
suboccipital clinical symptoms
- vision issues
- throbbing
- headaches posterior to skull