Erector Spinae (Sacrospinalis) Flashcards Preview

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Flashcards in Erector Spinae (Sacrospinalis) Deck (16)
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1
Q

What muscles are identified as erector spinae or sacrospinalis muscles?

A

iliocostalis, longissimus, spinalis

2
Q

What is the innervation of the iliocostalis lumborum?

A

dorsal lower rami of lower thoracic and all lumbar spinal nerves

3
Q

What is the insertion for the iliocostalis thoracis?

A

costal angles of the upper 6-7 ribs, transverse process of C7

4
Q

Which subdivision of the ilicostalis primarily originates & inserts on ribs?

A

iliocostalis thoracis

5
Q

What is the innervation of the ilicostalis thoracis?

A

dorsal rami of the upper 6 thoracic spinal nerves (T1-T6)

6
Q

What is the origin for the ilicostalis cervicis?

A

costal angles of the upper 3-6 ribs (ribs 1-3 or 3-6)

7
Q

What is the insertion for the iliocostalis cervicis?

A

posterior tubercle of transverse process of C(3) C4-C6

8
Q

What is the innervation of the illicostalis cervicis?

A

dorsal rami of T1, T2 spinal nerves, sometimes C8 spinal nerve (C8, T1, T2 cord levels)

9
Q

What is the innervation of the longissimus thoracis?

A

dorsal rami of all thoracic and lumbar spinal nerves (cord levels T1-T12, L1-L5)

10
Q

What osseous parts of the vertebral column serve as an insertion for thelongissimus cervicis?

A

posterior tubercle of transverse process from C2-C6 or C7, articular processes from C2-C6 or C7

11
Q

What is the innervation of the longissimus cervicis?

A

dorsal rami of C4-C8 and T1-T2 spinal nerves (C4-C8 and T1-T2 cord levels)

12
Q

What is the innervation of the longissimus capitis?

A

dorsal rami of C1-C3 or C4 spinal nerves, (C1-C3 or C4 cord levels)

13
Q

Which erector spinae muscles attach to cervical articular processes?

A

longissimus cervicis and longissimus capitis

14
Q

What is the innervation of the spinalis thoracis?

A

dorsal rami of all thoracic andupper lumbar spinal nerves

15
Q

What is the innervation of the spinalis cervicis?

A

dorsal rami of all cervical spinal nerves (C1- C8 cord) levels)

16
Q

What is the innervation of the spinalis capitis?

A

dorsal rami of lower cervicl and upper thoracic spinal nerves

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