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Abdomen & Thorax
muscle innervations
40
Anatomy
Post-Graduate
06/22/2011

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Cards

Term
internal intercostalis
Definition
intercostal nerve & art
Term
external intercostalis
Definition
intercostal nerve & art
Term
transversus thoracis
Definition
intercostal nerve & art
Term
subcostalis
Definition
-intercostal nerves 9-11
- intercostal artery
Term
innermost intercostalis
Definition
intercostal nerve & art
Term
serratus posterior- superior
Definition
intercostal nerves 2-5
posterior intercostal art 1-4
Term
serratus posterior- inferior
Definition
ventral rami T9-T12
1. lowest post intercostal art
2. subcostal artery
3. first 2 lumbar art
Term
levatores costarum brevis
Definition
dorsal rami C8-T11
intercostal art
Term
levatores costarum longis
Definition
dorsal rami T7-T10
intercostal art
Term
iliocostalis lumborum
Definition
dorsal rami T11-L5
Term
iliocostalis thoracis
Definition
dorsal rami T1-T12
Term
longissimus thoracis
Definition
dorsal rami T1-L5
Term
multifidus
Definition
dorsal rami C1-L5
1. deep cervical
2. post intercostal
3. subcostal
4. lumbar
Term
intertransversarii- ant. intertransverse muscle
Definition

ventral rami of adjacent spinal nerves

cervical = C1-T1

thoracic = T10-L1

lumbar = L1-L5

 

1. deep cervical 2. post intercostal

3. subcostal 4. lumbar

Term
intertransversarii- post. intertransverse muscle
Definition
thoracic & medial slips in cervical, lumbar regions
--> dorsal rami of adjacent spinal nerves
the rest --> ventral rami of adjacent spinal nerves
1. deep cervical
2. post intercostal
3. subcostal
4. lumbar
Term
interspinales
Definition
posterior rami of spinal nerves
1. deep cervical
2 . posterior intercostal
3. subcostal
4. lumbar
Term
spinalis cervicis
Definition
dorsal rami C7-C3
lateral sacral artery
Term
iliocostalis cervices
Definition
dorsal rami C4-T6
Term
longissimus cervicIs
Definition
dorsal rami along length
C2-T5
post surfaces of trans proc (T1-T5)
---> post tubercles of trans proc (C2-C6)

lateral sacral art
Term
spinalis thoracis
Definition
dorsal rami T1-L1
lateral sacral art
Term
spinalis capitis
Definition
dorsal rami C4-C7
Term
semispinalis thoracis
Definition
dorsal rami T3-T7
muscular branches of aorta
Term
semispinalis cervicis
Definition
dorsal rami C2-T5
muscular branches of aorta
Term
semispinalis capitis
Definition
dorsal rami C4-C7
muscular branches of aorta
Term
rotatores thoracis
Definition
dorsal rami T1-T11
major branches of aorta
Term
rotatores cervicis
Definition
dorsal rami C3-C8
muscular branches of aorta
Term
longissimus capitis
Definition
dorsal rami along length
(C4-T5)
[T1-T5 ---> C2-C6]

lateral sacral artery
Term
rib elevation
Definition
- scalenes
- external intercostals
- serratus posterior superior
Term
rib depression
Definition
- serratus posterior inferior
- internal intercostals (assists)
Term
lateral flexion (unilaterally)
spine extension (bilaterally)
Definition
- spinalis
- longissimus
- iliocostalis
Term
rotation
Definition
- rotatores
- multifidus
- external obliques
Term
rectus abdominus
Definition
ventral rami T6-T12
inferior epigastric artery
Term
external obliques
Definition
ventral rami T7-T12
1. musculophrenic 2. inferior epigastric
3. superior epigastric 4. superficial epigastric
5. circumflex iliac 6. subcostal
Term
internal obliques
Definition
ventral rami T7-L1
Term
transverse abdominus
Definition
ventral rami T6-L1
1. musculophrenic 2. inferior epigastric
3. superior epigastric 4. superficial epigastric
5. circumflex iliac 6. subcostal
Term
pyramidalis
Definition
subcostal nerve (T12)
1. subcostal art
2. inferior epigastric
Term
quadtratus lumborum
Definition
1. subcostal nerve (T12)
2. ventral rami L1-L4
- lumbar art
- iliolumbar art
Term
psoas major
Definition
- ventral rami L1-L3 (sometimes L4)
- lumbar branch of iliolumbar art
Term
psoas minor
Definition
ventral rami L1
Term
"Falx"
Definition
sickle shaped structure
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