Nerves of the back muscles

Question 1

Iliocostalis

Answer 1

Dorsal rami of cervical, thoracic and lumbar spinal nerves

Question 2

Longissimus

Answer 2

Dorsal rami of cervical, thoracic and lumbar spinal nerves

Question 3

Spinalis

Answer 3

Dorsal rami of cervical, thoracic and lumbar spinal nerves

Question 4

Semispinalis

Answer 4

Dorsal rami of cervical, thoracic and lumbar spinal nerves

Question 5

Multifidus

Answer 5

Dorsal rami of cervical, thoracic and lumbar spinal nerves

Question 6

Rotatores

Answer 6

Dorsal rami of cervical, thoracic and lumbar spinal nerves

Question 7

Splenius

• -Capitis
• -Cervicis

Answer 7

Splenius Capitis
—Dorsal rami of spinal nerves C3-5
Splenius Cervicis
—Dorsal rami of spinal nerves C4-8

Question 8

Levator Costarum
(intertransversarii of thoracic region)

Answer 8

Dorsal rami of thoracic spinal nerves

Question 9

Quadratus Lumborum

Answer 9

Branches of ventral rami of T12, L1-3(4)

Question 10

Psoas Major

Answer 10

Lumbar plexus

—Branches of Primary ventral rami L1-L4