Peripheral nerves of the proximal UE Flashcards

1
Q

Where does the axillary nerve originate?

A

Posterior cord of brachial plexus

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2
Q

Where does the axillary nerve exit to get to the deltoid and teres?

A

Quadrangular space

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3
Q

What does the axillary nerve supply with motor function?

A

Teres minor and deltoid

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4
Q

What does the axillary nerve supply with sensory function?

A

Lateral shoulder region and the “deltoid patch” of the skin in the lateral shoulder

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5
Q

Where does the musculoskeletal nerve originate?

A

The lateral cord of the brachial plexus (part of the classic M)

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6
Q

What does the musculoskeletal nerve pass through in order to get to other muscles of the arm?

A

the choracobrachialis

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7
Q

What muscles does the musculocutaneous nerve supply with motor function?

A

Corachobrachialis, Brachialis, Biceps brachii

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8
Q

After supplying the anterior arm muscles, the musculocutaneous nerve travels to the lateral forearm and is renamed what? What does it supply with sensory function?

A

Lateral cutaneous nerve of the forearm, supplies skin sensation in the lateral forearm

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9
Q

Where does the radial nerve originate?

A

Posterior cord of the brachial plexus

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10
Q

Where does the radial nerve wrap around the humerus?

A

Posterior to humerus in radial (spiral) groove

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11
Q

What does the radial nerve descend along with?

A

The deep artery of the arm

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12
Q

Once it travels along the posterior humerus (radial groove) what does the radial artery enter?

A

The anterior forearm (crosses over anterior to elbow joint)

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13
Q

What does the radial nerve supply with motor function?

A

Triceps brachii

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14
Q

What does the radial nerve supply with sensory functin?

A

No sensory areas in proximal UE, continues to distal UE for sensation of the hand

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15
Q

Where does the median nerve originate?

A

Lateral and Medial cords (middle arch of classic M in brachial plexus)

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16
Q

What does the median nerve descend along with?

A

Brachial artery in proximal UE

17
Q

Where does the median nerve descend?

A

Anterior to elbow joint

18
Q

What does the median nerve supply with motor function?

A

Nothing in the proximal UE

19
Q

What does the median nerve supply with sensory function?

A

Nothing in proximal UE, continues to distal UE to provide sensation in hand

20
Q

Where does the ulnar nerve originate?

A

The medial cord of the brachial plexus (part of the classic M)

21
Q

What does the ulnar nerve descend along with?

A

The brachial artery in proximal UE

22
Q

How does the ulnar nerve descend?

A

Posterior to elbow joint

23
Q

What does the ulnar nerve supply with motor function?

A

Nothing in the proximal UE

24
Q

What does the ulnar nerve supply with sensory function?

A

Nothing in proximal UE, continues to distal UE to provide sensation in hand