Neck/Back/Pelvic Muscle Innervations

Question 1

Sternocleidomastoid

Answer 1

Spinal Accessory Nerve (CN XI)

Question 2

Stylohyoid

Answer 2

CN VII (Facial)

Question 3

Digastric

Answer 3

CN V3 and CN VII (Facial)

Question 4

Mylohyoid

Answer 4

CN V3

Question 5

Geniohyoid

Answer 5

C1 via CN XII (Hypoglossal)

Question 6

Omohyoid

Answer 6

C1-C3 Ansa cervicalis

Question 7

Sternohyoid

Answer 7

C1-C3 Ansa cervicalis

Question 8

Thyrohyoid

Answer 8

C1 via XII (Hypoglossal)

Question 9

Sternothyroid

Answer 9

C1- C3 Ansa cervicalis

Question 10

Longus Colli

Answer 10

Anterior Rami of C2-C6

Question 11

Longus Capitis

Answer 11

Anterior Rami of C1-C3

Question 12

Rectus Capitis Anterior

Answer 12

C1 and C2 Spinal nerves

Question 13

Anterior Scalene

Answer 13

C4-C6 spinal nerves

Question 14

Rectus Capitis Lateralis

Answer 14

C1 and C2

Question 15

Middle Scalene

Answer 15

Anterior rami of cervical spinal nerves

Question 16

Posterior Scalene

Answer 16

Anterior rami of cervical spinal nerves

Question 17

Splenius Capitis

Answer 17

Posterior rami of middle cervical spinal nerves

Question 18

Levator Scapulae

Answer 18

Dorsal Scapular Nerve (C5)

Question 19

Rectus Capitis Posterior Major

Answer 19

Suboccipital nerve (C1)

Question 20

Rectus Capitis Posterior Minor

Answer 20

Suboccipital nerve (C1)

Question 21

Obliqus Capitis Superior

Answer 21

Suboccipital nerve (C1)

Question 22

Obliqus Capitis Inferior

Answer 22

Suboccipital nerve (C1)

Question 23

Serratus Posterior Superior

Answer 23

Intercostal nerves

Question 24

Serratus Posterior Inferior

Answer 24

Intercostal nerve

Question 25

Splenius Cervicis

Answer 25

Middle and lower cervical nerves

Question 26

Splenius Capitis

Answer 26

Middle and lower cervical nerves

Question 27

Iliocostalis

Answer 27

Dorsal rami of spinal nerves

Question 28

Semispinalis

Answer 28

Dorsal Rami of corresponding spinal nerves

Question 29

Multifundus

Answer 29

Dorsal rami of corresponding spinal nerves

Question 30

Rectus abdominis

Answer 30

7-12 intercostal nerves

Question 31

External oblique

Answer 31

8-12 intercostal nerves

Question 32

Interal obliques

Answer 32

8-12 intercostal nerves

Question 33

Transverse abdominis

Answer 33

7-12 nerves

Question 34

Quadratus Lumborum

Answer 34

12th thoracic and 1st lumbar nerve

Question 35

Iliacus

Answer 35

Muscular branch of femoral nerve (L1,L2,L3)

Question 36

Psoas major and minor

Answer 36

Direct fibers of L1-L3 of lumbar plexus

Question 37

Gluteus Maximus

Answer 37

Inferior gluteal nerve (L5, S1, S2)

Question 38

Gluteus Medius

Answer 38

Superior gluteal nerve (L4, L5, S1)

Question 39

Gluteus Minimus

Answer 39

Superior Gluteal nerve (L4, L5, S1)

Question 40

Piriformis

Answer 40

Piriformis nerve (L5, S1, S2)

Question 41

Superior Gemellus

Answer 41

Nerve to obturator internus and superior gemellus (a branch of the sacral plexus)… (L5, S1)

Question 42

Inferior Gemellus

Answer 42

Nerve to the obturator internus and inferior gemellus (a branch of the sacral plexus)… (L5, S1)

Question 43

Obturator Internus

Answer 43

Nerve to the obturator internus and superior gemellus ( a branch of the sacral plexus) (L5, S1)

Question 44

Quadratus Femoris

Answer 44

Quadratus femoris, branch of the nerce to the quadratus femoris and inferior gemellus (L5, S1)

Superior Gluteal nerve (L4, L5, S1)

Question 45

Obturator Externus

Answer 45

Obturator (L3, L4)