Lab exam 1 innervations

Question 1

Trapezius

Answer 1

Spinal accessory nerve, C1-C5 cord levels

Question 2

Lattissimus Dorsi

Answer 2

thoracodorsal nerve, ventral rami C6-C8

Question 3

Levator Scapulae

Answer 3

dorsal scapular nerve, ventral ramus C5 plus ventral rami C3,C4

Question 4

Rhomboid major and minor

Answer 4

dorsal scapular nerve, ventral ramus C5 plus ventral ramus C4

Question 5

Splenius capitis

Answer 5

dorsal rami C3-C5

Question 6

Splenius Cervicis

Answer 6

dorsal rami C5-C7

Question 7

Iliocostalis lumborum

Answer 7

dorsal rami lower T, all L

Question 8

Iliocostalis thoracic

Answer 8

dorsal rami T1-T6

Question 9

iliocostalis cervicis

Answer 9

dorsal rami T1, T2; rarely C8

Question 10

Longissimus thoracis

Answer 10

dorsal rami t & l nerves

Question 11

Longissimus cervicis

Answer 11

dorsal rami C4-C8; T1-T2

Question 12

Longissimus capitis

Answer 12

dorsal rami C1-C3; sometimes C4

Question 13

Rectus capitis posterior major and minor

Obliquus capitis superior and inferior

Answer 13

suboccipital nerve, dorsal ramus C1

Question 14

Serratus posterior superior

Answer 14

intercostal nerves, ventral rami T2-T5

Question 15

Serratus posterior inferior

Answer 15

intercostal nerves, ventral rami T9-T11 subcostal nerve ventral ramus T12

Question 16

Rectus capitis anterior

Answer 16

ventral rami C1,C2

Question 17

Rectus capitis lateralis

Answer 17

ventral rami C1, C2