Regional Characteristics

Question 1

What is the relationship between aging and cervical spine nerve root characteristics?

Answer 1

the length of the nerve root increases as it descends from its apparent origin on the spinal cord, but the cross sectional area of the nerve root decreases

Question 2

What are the specific attachment sites for a cervical spinal nerve?

Answer 2

the sulcus for the ventral primary ramus on the costotransverse bar & the vertebral artery

Question 3

What contributes to the anterior boundary of the thoracic intervertebral foramen?

Answer 3

the costocentral joint

Question 4

What increases the length of the intervertebral foramen at L5?

Answer 4

the lumbosacral tunnel

Question 5

What forms the lumbosacral tunnel?

Answer 5

the lumbosacral ligament, transverse process of L5 and sacral ala

Question 6

What condition is the result of encroachment on the L5 spinal nerve?

Answer 6

the far out syndrome

Question 7

What is unique about the relationship of spinal nerve to intervertebral foramen at S5-Co1?

Answer 7

there are two nerves present, S5 nerve & Co1 nerve