Gross anatomy

Question 1

Name the extrinsic back muscles

Answer 1

Trapezius
Rhomboids
Latissimus dorsi
Levator scapulae

Question 2

Innervation to extrinsic back muscles

Answer 2

All are anterior rami of cervical spinal nerves except trapezius which is CNXI

Question 3

Name the intrinsic back muscles

Answer 3

Erector spinae

Transversospinalis

Question 4

Where do erector spinae muscles attach inferiorly?

Answer 4

Sacrum and iliac crest

Question 5

Where do erector spinae muscles attach superiorly?

Answer 5

Rib or transverse process or spinous process

Question 6

Innervation of intrinsic back muscles

Answer 6

All are posterior rami of cervical, thoracic and lumbar

Question 7

Name the muscles of posterior abdominal wall

Answer 7

quadrates lumborum and psoas major

Question 8

Name the parts of intervertebral disc

Answer 8

Outer annulus fibrosus

Inner nucleus pulposus

Question 9

Name back ligaments

Answer 9

Ligamentum flavum
Anterior and posterior longitudinal
Interspinous
Supraspinous

Question 10

What level does the spinal cord end at?

Answer 10

L1,L2

Question 11

What level is cauda equina

Answer 11

L2-Co

Question 12

What level would you do a lumbar/epidural?

Answer 12

L3/L4

Question 13

Name the nerve plexuses

Answer 13

Cervical (C1-C4)
brachial (C5-T1)
lumbar (L1-L4)
sacral (L5-S4)

Question 14

What rami are intercostal Nerves

Answer 14

anterior

Question 15

what are the named nerves for cutaneous innervation of the neck

Answer 15

Little goats tread softly
Lesser occipital
Greater auricular
Transverse cervical
Supraclavicular

Question 16

Name the arteries to the brain

Answer 16

Basilar which goes to posterior cerebral
Anterior cerebral
Middle cerebral from internal carotid