Final answer:
Intra-spinal pain management has the advantages of preventing demyelination of nerve fibers and maintaining the axis of the nerves in the spinal cord.
Step-by-step explanation:
The advantages of intra-spinal pain management include preventing demyelination of nerve fibers and maintaining the axis of the nerves in the spinal cord. This can help in reducing pain and promoting better overall functioning of the nervous system. Additionally, intra-spinal pain management can be particularly effective against low-to-moderate intensity pain associated with inflammation.