Muscles of the Posterior Neck and Back that Move the VC

Question 1

Muscles that move the VC have ____________________ and there is __________________________.

Answer 1

muscles that move the VC have MULTIPLE ORIGINS AND INSERTIONS and there is CONSIDERABLE OVERLAP

Question 2

What is the origin of the splenius cervicis?

Answer 2

SP of T3-T6

Question 3

What is the insertion of the splenius cervicis?

Answer 3

TP of C1-C4

Question 4

What muscle group is the most medial and superficially located group of the muscles of the back?

Answer 4

erector spinae

Question 5

The bundles of the erector spinae muscle group are mostly __________ in direction with _____________ fibres overlapping

Answer 5

The bundles of the erector spinae muscle group are mostly VERTICAL in direction with LONG fibres overlapping

Question 6

The erector spinae group is split up into what groups:

Answer 6

iliocostalis(lat), longissimus(inter), spinalis (medial)

Question 7

The erector spinae group is the ___________________ of the spine and maintains _______________

Answer 7

the erector spinae group is the PRINCIPLE ERECTOR of the spine and maintain the ERECT POSTURE

Question 8

the muscles of the erector spinae group acting unilaterally produces what movement?

Answer 8

laterally flexes the spine

Question 9

What muscles are included in the iliocostalis group?

Answer 9

cervicis, thoracis, lumborum

Question 10

What is the origin of the iliocostalis cervicis muscle?

Answer 10

ribs 1-6

Question 11

What is the insertion of the iliocostalis cervicis

Answer 11

C4-C6

Question 12

What is the origin of the iliocostalis thoracis

Answer 12

ribs 7-12

Question 13

What is the insertion of the iliocostalis thoracis

Answer 13

ribs 1-6

Question 14

What is the origin of the iliocostalis lumborum

Answer 14

iliac crest

Question 15

What is the insertion of the iliocostalis lumborum

Answer 15

ribs 7-12

Question 16

What muscles are included in the longissimus group?

Answer 16

capitis, cervicis, thoracis

Question 17

What is the origin of the longissimus capitis

Answer 17

C4-T4

Question 18

What is the insertion of the longissimus capitis

Answer 18

mastoid process

Question 19

What is the origin of the longissimus cervicis

Answer 19

TP of T4-T5

Question 20

What is the insertion of the longissimus cervicis

Answer 20

TP of C2-C6

Question 21

The longissimus thoracis extends from:

Answer 21

lumbar vertebrae, all thoracic vertebrae and ribs 9-10

Question 22

What muscle group of the erector spinae run closest to the spinous processes?

Answer 22

spinalis group

Question 23

What direction do the fibres of the spinalis group run?

Answer 23

vertically

Question 24

What muscles are included in the spinalis group?

Answer 24

capitis, cervicis, thoracis