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MS of the back - Coggle Diagram
MS of the back
bones
cervical
large vertebral foramen
uncus
lumbar
large vertebral body
thoracic
attachment for ribs
mammillary process
sacral/coccyx
fused
strength and stability
joints
IV
facets
limits mvmt
synovial
vertabrae
7 processes
2 transverse
ms attachment
4 facet (sup/inf)
jt mvmt
spinous
ms attachments
body
dense
supports wt
vertebral arch
pedicles
laminae
laminectomy
intrinsic
superficial
splenius
capitus
cranium (mastoid)
cervicis
transverse process C1-3/4
" V "
dorsal rami
intermediate
erector spinae
" l l "
spinalis
smallest
post ramus
longissimus
longest
post ramus
iliocostals
ribs
post ramus
Chief Extensors
3 parts
lumborum
thoracis
cervicis
O = post iliac crest
Deep
Transversospinalis
Inverted V
"gutter" Transverse and Spinous process
multifidus
short triangular ms
thickest in T/S
span 2-4 segments
transverse to spinous
post ramus
under semispinalis
rotatores
deepest
interspinales
connect spinous process
intertransversarii
connect transverse process
ventral and dorsal ramus
lumbar = ventral
levatores costarum
transverse process to ribs
post ramus
semispinalis
cervicis
C/S
throacis
T/S
capitus
T/S-->cranium
post ramus
innervations
dorsal ramus
facet jts
posterior half of vertebra
2 levels
local
inferior
ventral ramus
IV jts
shock absorption
spinous body
3 levels
local
inferior
superior
vertebral canal
spinal nerves
C1-C8
OA/AA
T1-T12
L1-L5
S1-S5
Co1
Ant long lig
Post long lig
ligamentum flava
Extrinsic
superficial
levator scapulae
dorsal scapular N
lats
CN 11
Rhombiods
dorsal scapular N
trapezius
CN 11
Anterior Rami
intermediate
serratus posterior
superior
deep to rhomboids
intercostal N
inferior
deep to lats
intercostal N
Intercostal N
actions
proprioception
smaller muscles
increased muscle spindles
movement
larger muscles
abdominal ms
skull
rot
flexion/ext/lat flexion
trunk
flexors/extensors/lat fleors/rot
blood supply
arterial
Aorta
segmental A
Dorsal Ramus A
Ant vertebral A
supplies brain
transverse foramen
3 spinal A
1 anterior spinal A
supplies 2/3rds
2 posterior spinal A
venous drainage
6 spinal veins
3 posterior spinal V
3 Ant spinal V