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Spinal Anatomy Final Exam > Day 1 > Flashcards

Flashcards in Day 1 Deck (18)
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0
Q

Which of the muscles attaching to spinous processes represent layer two of the true back?

A

Rhomboid major, rhomboid minor

1
Q

Which of the muscles attaching to spinous processes represent layer one of the true back?

A

Trapezius, latissimus dorsi

2
Q

Which of the muscles attaching to the scapula represent layer one of the true back?

A

Trapezius

3
Q

Which of the muscles attaching to the scapula represent layer two of the true back?

A

Levator scapula, rhomboid major, rhomboid minor

4
Q

Which of the muscles attaching to the lateral mass of C1 represent layer two of the true back?

A

Levator scapula

5
Q

Which muscles of the true back is innervated by the thoracodorsal nerve?

A

Latissimus dorsi

6
Q

What forms the thoracodorsal nerve innervating the latissimus dorsi?

A

Ventral rami from C6-C8

7
Q

What forms the dorsal scapular nerve?

A

The ventral ramus of C5

8
Q

What part of the vertebra forms the osseous origin for the splenius?

A

The spinous part

9
Q

Splenius capitis will attach to what locations on the skull?

A

Mastoid process of the temporal bone, superior nuchae line of the occipital bone

10
Q

What is the Innervation of the splenius capitis?

A

Dorsal rami of middle cervical spinal nerves (C3-C5 cord levels)

11
Q

Splenius cervicis will attach to what locations on the spine?

A

Lateral mass of C1 & posterior tubercle of transverse process of C1-C4

12
Q

What is the Innervation of the splenius cervicis?

A

Dorsal rami of lower cervical spinal nerves (C5-C7 cord levels)

13
Q

Which muscles represent the fourth layer of the true back?

A

The erector spinae or sacrospinalis muscles?

14
Q

Which muscles are identified as erector spinae or sacrospinalis muscles?

A

Iliocostalis, longissimus, spinalis

15
Q

What muscles are classically identified as iliocostalis muscles?

A

Iliocostalis lumborum, iliocostalis thoracis and iliocostalis cervicis

16
Q

What osseous parts of the vertebral column serve as an origin to the iliocostalis lumborum?

A

Spinous processes of T11-12,L1-L5, median sacral crest, lateral sacral crest

17
Q

Contraction of iliocostalis lumborum will result in what movements?

A

Extension, lateral flexion & rotation of lumbar spine; lateral pelvic movement