Flashcards in Erector Spinae (sacrospinalis) Deck (16)
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1
Which muscles are identified as erector spinae or sacrospinalis muscles?
iliocostalis, longissimus, spinalis
2
What is the innervation of iliocostalis lumborum?
dorsal rami of lower thoracic and all lumbar spinal nerves
3
What is the insertion for the iliocostalis thoracis?
costal angles of the upper 6-7 ribs, transverse process of C7
4
Which subdivisions of the iliocostalis primarily originates & inserts on ribs?
iliocostalis thoracis
5
What is the innervation of iliocostalis thoracis?
dorsal rami of upper 6 thoracic spinal nerves (T1-T6 cord levels)
6
What is the origin of iliocostalis cervicis?
posterior tubercle of transverse process of C(3) C4-C6
7
What is the innervation of the iliocostalis cervicis?
dorsal rami of T1, T2 spinal nerves, sometimes C8 spinal nerve (C8, T1, T2 cord levels)
8
What osseous parts of the vertebral column serve as an origin to the longissimus thoracis?
accessory process & transverse processes of L1-L5, spinous processes of L3-L5 and median sacral crest S1-S3
9
What is the innervation of longissimus thoracis?
dorsal rami of all thoracic and lumbar spinal nerves (cord levels T1-T12, L1-L5)
10
What osseous parts of the vertebral column serve as an insertion for the longissimus cervicis?
posterior tubercle of transverse processes from C2-C6 or C7, articular processes from C2-C6 or C7
11
What is the innervation of longissimus cervicis?
dorsal rami of C4-C8 and T1-T2 spinal nerves (C4-C8 & T1-T2 cord levels)
12
What is the innervation of longissimus capitis?
dorsal rami of C1-C3 or C4 spinal nerves, (C1- C3 or C4 cord levels)
13
Which erector spinae muscles attach to cervical articular processes?
longissimus cervicis and longissimus capitis
14
What is the innervation of spinalis thoracis?
dorsal rami of all thoracic & upper lumbar spinal nerves
15
What is the innervation of spinalis cervicis?
dorsal rami of all cervical spinal nerves (C1-C8 cord levels)
16
