Deep Back Muscles

Question 1

Answer 1

Quadratus Lumborum

Question 2

Answer 2

Spinalis

(arcing fibers, transverse process to transverse process)

(most medial of erector spinae group)

Question 3

Answer 3

Longissimus

(most verticle fibers in Erector Spinae group)

Question 4

Answer 4

Iliocostalis

(from ilium and sacrum to ribs)

(most lateral of Erector Spinae group)

Question 5

Answer 5

Splenius Capitis

(superior to splenius cervicis)

Question 6

Answer 6

Splenius Cervicis

(inferior to splenius capitis)

Question 7

Answer 7

Multifidus

(big, meaty, lower back visible)

Question 8

Answer 8

Semispinalis Capitis

(deep to splenius capitis, parallel to spine)

Question 9

(left muscle)

Answer 9

Semispinalis Cervicis

(deep to semispinalis capitis)

Question 10

Answer 10

Rotatores

(transverse processes to spinous processes)

Question 11

Answer 11

Levatores Costarum

(lateral to rotatores)

Question 12

Answer 12

Superior Oblique

(suboccipital triangle)

Question 13

Answer 13

Inferior Oblique

(suboccipital triangle)

Question 14

Answer 14

Rectus Capitis Posterior Major

(suboccipital triangle)

Question 15

Answer 15

Rectus Capitis Posterior Minor

(suboccipital triangle)

(more internal to other muscles)