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Question 1

Semispinalis Capitus

Answer 1

O - Transverse process of T1-7, C7 articular processes of C4-6

I - Occipital bone

Question 2

Semispinalis Cervicus

Answer 2

O - Transverse process of T5-6

I - SP C1-5

Question 3

Semispinalis Thoracis

Answer 3

O - Transverse process of T6-10

I - SP C6-T4

Question 4

Spinalis Thoracis

Answer 4

O - SP of L1-2, T11-12

I - SP of T1-8 (variable)

Question 5

Spinalis Cervicis

Answer 5

O - SP 7, ligamentum nuchae, and SP of T1,2

I - SP of axis, SP C3-4 occasionally

Question 6

Spinalis Capitis

Answer 6

Blended with semispinalis SP T1-4, C6-7

Question 7

Longissimus Capitis

Answer 7

O - By tendons from transverse processes of upper 4-5 thoracic vertebrae, and articular processes of lower 3-4 cervical vertebrae

I - Posteror margin of mastoid process

Question 8

Longissimus Cervicis

Answer 8

O - By tendons from TP of upper 4-5 thoracic vertebrae

I - By tendons into posterior tubercles of TP C2-6

Question 9

Longissimus Thoracis

Answer 9

O - In lumbar region, it is blended with ilicostalis lumborum, posterior surfaces of transverse and accessory processes of lumbar vertebrae, and anterior layer of thoracolumbar fascia

I - By tendons into tips of TP of all thoracic vertebrae and by fleshy digitations into lower 9-10 ribs between tubercles and angles

Question 10

Iliocostalis Lumborum

Answer 10

O - Common origin from anterior surface of broad tendon attached to medial crest of sacrum, SP of lumbar and T11-12, posterior part of medial lip of iliac crest, supraspinous ligament and lateral crests of sacrum

I - By tendons into inferior borders of angles of lower 6-7 ribs

Question 11

Iliocostalis Thoracis

Answer 11

O - By tendons from upper borders of angles of lower 6 ribs

I - Cranial borders of angles of upper 6 ribs and dorsum of TP of C7

Question 12

Iliocostalis Cervicis

Answer 12

O - Angles of ribs 3-6

I - Posterior tubercles to TP of C4-6

Question 13

Multifidus

Answer 13

O -
Sacral region: posterior surface of sacrum, medial surface of posterior superior iliac spine, and posterior sacroiliac ligaments
Cervical-Lumbar region: TP of C4-L5

I - Spanning 2-4 vertebrae, inserted into SP of vertebra above

Question 14

Serratus Posterior Inferior

Answer 14

O - SP T11-12, L1-3

I - Inferolateral ribs T9-12, ascend lateral and up

Question 15

Rotatores

Answer 15

O - TP of vertebrae

I - Lamina of vertebra above

Question 16

Interspinales

Answer 16

Between SPs in pairs

Question 17

Intertransversarii

Answer 17

Between TPs

Question 18

Quadratus Lumborum

Answer 18

O - Iliac crest and occasionally TP lower 3 or 4 lumbar vertebrae, iliolumbar ligament

I - Inferior border of rib 12 and TP of L1-4

Question 19

Splenius Capitis

Answer 19

O - Caudal 1/2 of ligamentum nuchae, SP of C7, SP of T1-3 or T4

I - Mastoid process of temporal bone, and on occipital bone inferior to lateral 1/3 of superior nuchal line

Question 20

Splenius Cervicis

Answer 20

O - SP of T3-6

I - Posterior tubercles of TP of C1-2 or C3