Upper Limb Nerve Lesions

Question 1

Radial Nerve - Spiral Groove LESION

Answer 1

• Loss of supination
• Loss of extension
• NO PAPER

Question 2

Axillary Nerve - SUPPLY

Answer 2

• Deltoid + Teres Minor

* Regimental patch of skin

Question 3

Axillary Nerve - GH joint LESION

Answer 3

• Loss of deltoid abduction/flexion/elevation

* loss of regimental skin feeling

Question 4

Median Nerve - SUPPLY

Answer 4

• Anterior forearm + thenar + lateral lumbricals

* skin of palm and lateral digits

Question 5

Median Nerve - Elbow LESION

Answer 5

• Loss of long forearm flexors + pronation
• Loss of thumb/index/middle finger flexion
• NO ROCK

Question 6

Median Nerve - Carpal tunnel LESION

Answer 6

• Loss of thumb/index/middle finger flexion

* NO ROCK

Question 7

Ulnar Nerve - SUPPLY

Answer 7

• FCU + medial FDP + hand muscles

* Palm + medial digit skin

Question 8

Ulnar nerve - Elbow LESION

Answer 8

• loss of medial FDP –> lack of 4-5 flexion

* loss of medial MCP flexion –> hyperextension

Question 9

Ulnar Nerve - Wrist LESION

Answer 9

• Ulnar claw hand

Question 10

Radial Nerve - SUPPLY

Answer 10

• Triceps Brachii + Posterior Forearm Muscles

* Posterior Skin