Injuries

Question 1

injury to long thoracic nerve

Answer 1

no sensory impairment

motor impairment: winged scapula, cuz paralysis of serratus anterior

Question 2

injury to musculocutaneous

Answer 2

sensory impairment: lateral surface of forearm. [[lateral cutaneous N of forearm]]

motor: paralysis of coracobrachialis, biceps brachia, brachialis. –> Impaired flexion and supination of forearm

Question 3

Injury to Axillary N

Answer 3

sensory: lateral surface of shoulder
motor: shoulder weakens, especially with ABDUCTION (teres minor, deltoid)

Question 4

Injury to Median N

Answer 4

sensory: anterior thumb, palmer surface, anterior first 2 and 1/2 fingers, posterior distal joint of first 2 1/2 fingers
motor: loss of thumb opposition, decreased abduction of thumb, loss of flexion of proximal and distal interphalangeal joints.

“pope’s blessing” or “ape hand”

Question 5

Injury to Ulnar N

Answer 5

sensory: medial surface of hand/palm. Medial 1 and 1/2 fingers

Sensory: loss of flexion at 4th and 5th fingers, loss of thumb adduction, loss of ability to oppose and abduct 5th fingers - claw hand.