Injuries To Nerves And How They Present

Question 1

Man in a car crash, used his arm to protect himself, right are is clearly deformed
Man is unable to fully extends his fourth and fifth digits and has weakness in both finger abduction and adduction

Answer 1

Nerve lesion = ulnar

Question 2

Injury to this nerve leads to finger drop

Answer 2

Radial nerve at the forearm leads to finger drop

Question 3

Lesion leads to wrist drop

Answer 3

Radial nerve at the humerus

Question 4

Damage to this nerve leads to reduced sensation in the median distribution of the hand and affects finger flexion

Answer 4

Median

Question 5

Damage to this nerve would give wrist drop and triceps weakness

Answer 5

Radial - at the axila

Question 6

Claw hand

Answer 6

Ulnar nerve