Transversus Spinalis Group

Question 1

The transversus spinalis group runs from ______________ to _______________ above

Answer 1

run from TRANSVERSE PROCESSES to SPINOUS PROCESSES above

Question 2

What direction do the muscle fibres of the transversus spinalis group run?

Answer 2

oblique in direction

Question 3

Is the transversus spinalis group deep or superficial to the erector spinae group?

Answer 3

deep

Question 4

What are the primary actions of the transversus spinalus group?

Answer 4

extensors and rotators of the spine

Question 5

What muscles does the transversus spinalis group contain?

Answer 5

semispinalis capitis, semispinalis cervicis, semispinalis thoracis, multifidus, rotatores

Question 6

What are the three semispinalis muscles?

Answer 6

capitis, cervicis, thoracis

Question 7

Where does the semispinais capitis run from?

Answer 7

C4-T7 to occipital bone

Question 8

Where does the semispinalis cervicis run from?

Answer 8

T1-T5 to C1-C5

Question 9

Where does the semispinalis thoracis run from?

Answer 9

T6-T10 to C6-T4

Question 10

What is the origin of the multifidus muscles?

Answer 10

sacrum, ilium and TP of lumbar vertebrae, thoracic vertebrae and C4-C7

Question 11

What is the insertion of the multifidus muscles?

Answer 11

SP of a more superior vertebrae

Question 12

What muscle group is arranged along the whole extension of the VC?

Answer 12

rotatores

Question 13

Where does the rotatores muscles extend from?

Answer 13

TP of one vertebra to the lamina of superior vertebrae two or three segments above

Question 14

Which muscle group is the main postural muscles?

Answer 14

segmental

Question 15

What are the deepest located muscles of the back?

Answer 15

segmental

Question 16

How does the segmental muscles stabilize the VC?

Answer 16

by locking the vertbrae to each other

Question 17

The segmental muscles unite the ________ and ________ of consecutive ______________

Answer 17

the segmental muscles unite the SP and TP of consecutive ADJACENT VERTEBRAE

Question 18

What muscles are included in the segmental muscles?

Answer 18

intertransversarii and interspinales

Question 19

Where are the scalene muscles located?

Answer 19

posterior triangle of the neck

Question 20

What is the origin of the scalene muscles?

Answer 20

extended from the TP of C2-C7

Question 21

What muscles are included in the scalene muscles?

Answer 21

anterior, middle, posterior

Question 22

Where does the anterior and middle scalene insert?

Answer 22

first rib

Question 23

Where does the posterior scalene insert?

Answer 23

second rib

Question 24

What are the actions of the scalene muscles?

Answer 24

flex head, elevate ribs during forced inhalation, lat flex of head, rotation of head