Median, Radial and Ulnar Nn Paralysis

Question 1

What are the 3 categories NN injuries are categorized into?

Answer 1

They will be categorized into:

Neuropraxia, Axonotmesis, Neurotmesis.

Question 2

What is “Neuropraxia”?

Answer 2

A contusion of a Nn which does not result in degeneration.

The Nn recovers function without treatment in a few days to a few weeks.

Question 3

What is “Axonotmesis”?

Answer 3

An injury in which the Nn fibers distal to the injury site degeneration but the internal structures of the Nn remain intact.
No surgical treatment is required.
Recovery generally occurs within 6 months.

Question 4

What is “Neurtmesis”?

Answer 4

A complete laceration of the Nn and surrounding fibrous tissues, Surgical treatment is required.

Question 5

What Nn roots make up the Radial Nn?

Answer 5

Posterior cord fibers from C5, 6, 7, 8.

Question 6

What are the Motor innervations come from the Radial Nn?

Answer 6

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Question 7

What can be done when testing clients with Nn injuries to the Radial Nn?

Answer 7

Motor:
Pinch Grip test, for anterior interosseous branch of median Nn.
Sensory:
Distal Radial aspect of index finger.

Question 8

What can be done when testing a client with Nn injuries to the Median Nn?

Answer 8

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