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Flashcards in Musculocutaneous nerve Deck (7)
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1

What muscles are innervated by the Musculocutaneous nerve?

Muscles of the anterior compartment of the arm (Coracobrachialis, Biceps brachii and Brachialis)

2

What sensory innervation does the muculocutaneous nerve supply?

Lateral surface of the forearm (via a branch called the lateral cutaneous nerve of the forearm)

3

How can a lesion to the Musculocutaneous nerve occur?

Stabbing

4

What motor function is damaged by a lesion to the Musculocutaneous nerve?

Coracobrachialis, Brachialis and Biceps brachii are paralysed

5

What movements are limited due to damage to the Musculocutaneous nerve?

Flexion at the shoulder is weakened
Flexion at the elbow is weakened
Supination is effected

6

Which cord of the Brachial Plexus does the Musculocutaneous nerve arise from?

The lateral cord

7

Where is the Musculocutaneous nerve as it passes down the arm?

Anterior to the Brachialis and posterior to the Biceps brachii