Deep Back Muscles

Question 1

Splenius Capitis Origin

Answer 1

Fascia and spinous processes of C7-T4

Question 2

Splenius Capitus Insertion

Answer 2

Lateral 1/3 of the superior nuchal line and the mastoid process of the temporal bone

Question 3

Splenius Capitis Action

Answer 3

Extension and hyperextension of the head.

Ipsilateral rotation of the head

Lateral flexion

Question 4

Splenius Capitis Innervation

Answer 4

Dorsal Rami of the middle cervicle nerves (C4-C6)

Question 5

Splenius CervicisOrigin

Answer 5

Spinous Process of T3-T6

Question 6

Splenius Cervicis Insertion

Answer 6

Posterior tubercles of the transverse processes of C1-C3

Question 7

Splenius Cervicus Action

Answer 7

Extension and hyperextension of the neck

Question 8

Splenius Cervicus Innervation

Answer 8

Dorsa rami of C4-C8

Question 9

Ilicostales Origin

Answer 9

medial part of the iliac crest

Medial and lateral sacral crests

Question 10

Iliocostales Insertion

Answer 10

Angles of all ribs

Question 11

Iliocostales Action

Answer 11

Extension and Lateral Flexion of the Vertebral Column

Question 12

Iliocostales Innervation

Answer 12

Dorsal rami of the thoracic and lumbar spinal nerves

Question 13

Longissimus Origin

Answer 13

Aponeurosis and transverse process of lumbar and lower thoracic vertebrae

Question 14

Longissimus Insertion

Answer 14

Transvers processes of all thoracic vertebrae and between tubercles and angles of the lower 10 ribs

Question 15

Longissimus Action

Answer 15

Extension and Lateral Flexion of the vertebral column

Question 16

Longissimus Innervation

Answer 16

Dorsal Rami of the lumbar and thoracic spinal nerves

Question 17

Semi-spinalis Capitis Origin (inf. attachment)

Answer 17

Trans proc. of C7-T6

Articular processes of C4-C6

Question 18

Semi spinalis capitis Insertion (sup. attachment)

Answer 18

B/t superior and inferior nuchal lines of occipital bone

Question 19

Semi spinalis capitis Action

Answer 19

Extends the head

contralateral rotation

Question 20

Semi spinalis capitis Innervation

Answer 20

Dorsal Rami of dlower cervical and upper thoracic spinal nerves

Question 21

Semi Spinalis Cervicus Origin (inf. attachment)

Answer 21

transverse process of T1-T6

articular surface of C4-C7

Question 22

Semi spinalis Cervicis Insertion (superior attachment)

Answer 22

spinous process of C2-C5

Question 23

Semi Spinalis Cervicus Action

Answer 23

Extends and rotates the vertebral column

Question 24

Semi spinalis cervicis Innervation

Answer 24

Dorsal rami of lower cervical and thoracic spinal nerves

Question 25

Spinalis Thoracis Insertion (superior)

Answer 25

Spinous proc of T1-T8

Question 26

Spinalis Thoracis Action

Answer 26

Extend the vertebal column

Question 27

Spinalis Thoracis Innervation

Answer 27

Dorsal Rami of thoracic and lumbar spinal nerves