Limb Nerves

Question 0

What plexus supplies the pelvic limb?

Answer 0

Lumbosacral plexus

Question 1

What plexus supplies the forelimb?

Answer 1

Brachial plexus

Question 2

Describe clinical signs of sub scapular nerve damage.

Answer 2

• Supraspinstus may atrophy

- Gait remains normal

Question 3

Describe clinical signs of musculocutaneous nerve damage.

Answer 3

• Little affect on gait as compensatory adaption (from pronator teres) can occur with damage to elbow flexors

Question 4

Describe the clinical signs of radial nerve damage.

Answer 4

• Knuckling of paw as flexor muscles are unopposed

Question 5

Describe the clinical signs of obturator nerve damage.

Answer 5

• Loss of adduction function, resulting in splayed femoral limbs

Question 6

Describe the clinical signs of femoral nerve damage.

Answer 6

• Quadriceps femoris paralysis
• Lack of stifle extension
• Affected limb is not able to bear weight

Question 7

Describe the clinical signs of damage to the sciatic nerve.

Answer 7

• Stifle flexors paralyzed

- Results in unopposed extension of stifle

Question 8

What is Sweeny?

Answer 8

• Damage to the sub scapular nerve
• Allows animal to stand but shows outward slip of shoulder joint during propulsion
• Muscle wastage occurs and causes scapula to appear prominently

Question 9

Describe the clinical signs of damage to the auxiliary nerve.

Answer 9

• No clinical signs due to compensatory action of other muscles

Question 10

What is the sourcing branch of the tibial nerve and describe the clinical signs of tibial nerve damage.

Answer 10

• Sciatic nerve

- Unopposed extension and flexion of the limb