lecture 11 Flashcards
What are the 3 parts of erector spinae from medial to lateral?
spinalis, longissimus, and iliocostalis
(SLI) spilongil guy
What is the deepest layer of the abdominals?
transversus abdominis
What is the first cervical (C1) vertebrae called?
Atlas
What is the name of the boney process projecting superiorly on C2?
odontoid process
How many floating ribs? How many true ribs?
Floating: 2 pairs
True ribs: 7 pairs
6What is the action of sternocleidomastoid (unilateral)?
Ipsilateral side bend and contralateral rotation
What is the action of external obliques (unilateral)?
Ipsilateral side bend and contralateral rotation
What is/are the innervation(s) of transversus abdominus?
- Intercostal nerves (T8-T12)
- Iliohypogastric nerve
- Ilioinguinal nerve
What is the innervation of SCM?
CN11 (cranial nerve-spinal accessory)
Name two muscles which are involved with cervical extension
splenius capitis and semispinalis capitis
What is the origin of splenius cervicis?
spinous processes T3-T6
12) What is the origin of quadratus lumborum?
posterior lip of iliac crest
13) What are two features which make the cervical vertebrae
Back of spinous process and cervical vertebrae
difference from the thoracic and lumbar vertebrae?
Transverse foramen are only in cervical vertebrae
16) What are the two muscles which make the “core” of the neck?
longus capitis and longus colli
17) Which three abdominal muscles have the same innervations?
external oblique, internal oblique, and transversus abdominis.
18) What is the origin of rectus abdominis?
crest of pubis
19) What is the insertion of posterior scalenes?
transverse processes of C5-C7
20) What is a disc injury called when the nucleus ruptures and breaks off?
Lordosis
21) What is the name of the curve in the cervical and lumbar spine?
lordotic curve or lordosis
how many vertebrae each section of spine
7 cervical
12 thoracic
5 lumbar
lordosis
inward curve of spine (cervical and lumbar)
kyphosis
rounding of the upper back (thoracic)
dens process
on C2 sticks straight up
1st cervical vertebrae
atlas
where does vertebral artery pass through
transverse foramen
where costovertebral facets are found
ribs
how many true and false ribs
7 true pairs, 2 false pairs
cartilage that make up discs
fibrocartilage
3 parts of erector spinae medial to lateral
Spinalis: medial
Longissimus: intermediate
Iliocostalis: lateral
deep neck flexors
longus coli and longus capitus
diaphragm innervation
phrenic nerve
which nerve innervates 3/4 abdominals
thoraco-abdominal nerves
