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Spinal Anatomy Final Exam > Day 1 > Flashcards

Flashcards in Day 1 Deck (18):
0

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

Trapezius, latissimus dorsi

1

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

Rhomboid major, rhomboid minor

2

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

Trapezius

3

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

Levator scapula, rhomboid major, rhomboid minor

4

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

Levator scapula

5

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

Latissimus dorsi

6

What forms the thoracodorsal nerve innervating the latissimus dorsi?

Ventral rami from C6-C8

7

What forms the dorsal scapular nerve?

The ventral ramus of C5

8

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

The spinous part

9

Splenius capitis will attach to what locations on the skull?

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

10

What is the Innervation of the splenius capitis?

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

11

Splenius cervicis will attach to what locations on the spine?

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

12

What is the Innervation of the splenius cervicis?

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

13

Which muscles represent the fourth layer of the true back?

The erector spinae or sacrospinalis muscles?

14

Which muscles are identified as erector spinae or sacrospinalis muscles?

Iliocostalis, longissimus, spinalis

15

What muscles are classically identified as iliocostalis muscles?

Iliocostalis lumborum, iliocostalis thoracis and iliocostalis cervicis

16

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

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

17

Contraction of iliocostalis lumborum will result in what movements?

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