Transversospinalis Musculature

Question 1

Which muscles are identified as transversospinalis muscles?

3

Answer 1

Semispinalis
Multifidis
Rotators

Question 2

How many vertebrae can be attached to a single segment by transversospinalis muscles?

Answer 2

As many as NINE vertebrae

Question 3

What segment will represent the lowest attachment site for the semispinalis thoraces?

Answer 3

T12

Question 4

What osseous parts of the vertebral column serve as an origin to the semispinalis cervicis?
(2)

Answer 4

Transverse tubercles of T1-T5/T6

Articular processes of C4-C7

Question 5

What osseous parts of the vertebral column serve as an origin to the semispinalis capitis?
(2)

Answer 5

Transverse tubercles of C7, T1-T6/T7

Articular processes of C4-C6

Question 6

The biventer cervicis is formed by the fusion of what muscles?
(2)

Answer 6

Semispinalis capitis and spinalis capitis

Question 7

Which transversospinalis muscle attaches to articular and mammillary processes along the spine?

Answer 7

Multifidis

Question 8

Contraction of the classic multifidis will result in what movements of the vertebral column?

Answer 8

Lateral flexion and rotation of the spine
Maintains the lumbar lordotic curve
Prevents entrapment of the zygapophyseal capsular ligament during movement

Question 9

Which muscles of the spine exhibit a reversal of the expected origin- insertion combination?
(3)

Answer 9

Iliocostalis lumborum pars lumborum
Longissimus thoracis pars lumborum
Multifidis lumborum

Question 10

Rotator muscles are typically identified in what region of the spine?

Answer 10

Thoracic region