Spinal Canal And Spinal Cord Relationships

Question 1

At the intervertebral Foramen, what is the relationship between spinal nerve number and vertebral number along the cervical spine?

Answer 1

In the cervical spine, spinal nerves exit about the segment they are numbered after. C8 is the exception. c3 nerve exits above C3 or between C2/C3.

Question 2

At the intervertebral Foramen, what is the relationship between spinal nerve number and vertebral number along the thoracic, lumbars and sacrum?

Answer 2

In the T’s, L’s, and S’s, spinal nerves exit below the segment they are numbered after. Co1 is the exception.

Question 3

What is the relationship between rib number and vertebral numbers at the costocentral joint?

Answer 3

Rib number always equates to same vertebral number at the costocentral joint. Rib 3 articulates with T2 and T3. Ribs 1, 11 and 12 are the only ones that articulate with just one vertebra

Question 4

What is the relationship between spinal nerve number, rib number and were real number in a thoracic interertrebral Foramen?

Answer 4

The spinal nerve # relates to the upper segmental # in the vertebral couple, the rib # relates to the lower segment # in the vertebral couple