Cervical Nerves

Question 1

Where does the Median Nerve arise from?

Answer 1

• C6-T1

- Brachial Plexus

Question 2

What does the Median Nerve innervate?

Answer 2

• Flexors in forearm

- 1st and 2nd lumbricals

Question 3

How would the Axillary Nerve become Damaged?

Answer 3

Traction and Compression following an Anterior Shoulder Dislocation.

Question 4

What is the Axillary Nerve?

Answer 4

Neuropathy which describes Loss of Movement or Sensation in the Shoulder.

Question 5

Where does the Musculocutaneous Nerve arise from?

Answer 5

• C5, C6, C7

- Lateral Cord of Brachial Plexus

Question 6

What may entrap the Musculocutaneous Nerve and cause irritation.

Answer 6

• Compression due to Hypertrophy or Entrapment between the Biceps and Brachialis Fascia.
• Stretched through a Dislocation.

Question 7

What happens if the Musculocutaneous Nerve is Injured.

Answer 7

Weakness in Elbow Flexion and Supination of the Forearm.

Sensory disturbance affects the radial side of forearm.

Question 8

What is the Radial Nerve and where does it Originate from?

Answer 8

• A Nerve that supplies the Posterior Portion of the Upper Limbs.
• Brachial Plexus, carrying Fibers from the ventral roots of Spinal Nerves C5, C6, C7, C8 and T1.

Question 9

Where does the Ulnar Nerve Originate and Branch off from?

Answer 9

• C8-T1 Nerve Roots.

- Medial Cord of the Brachial Plexus.

Question 10

What does the Ulnar Nerve Innervate:

Answer 10

• Flexion and Adduction of Wrist.

- Flexes distal Phalanges.

Question 11

What 2 Injuries cause Symptoms of Ulnar Nerve Entrapment?

Answer 11

• Cubital Tunnel Syndrome.

- Guyon’s Canal Syndrome.