Brachial Plexus Injuries

Question 1

What nerve roots are involved in erb’s palsy

Answer 1

C5-6

Question 2

Classic manifestation of a stinger

Answer 2

Upper trunk injury - waiter’s tip

Question 3

Klumpke’s palsy involves what nerve roots

Answer 3

C8-T1

Question 4

Klumpkes palsy presentation

Answer 4

Claw hand deformity, lumbrical weakness and wasting of hand muscles

Question 5

What does vascular thoracic outlet syndrome involve

Answer 5

Subclavian artery and vein and axillary vein

Question 6

What test is used to test for tos

Answer 6

Adsons maneuver

Question 7

What motion exacerbates pain of neuralgic amyotrophy

Answer 7

Abduction and rotation

Question 8

Most common muscles affected in neuralgic amyotrophy are innervated by what nerve roots

Answer 8

C5,6

Question 9

Pancoast tumor affects what part of brachial plexus

Answer 9

Lower trunk

Question 10

Clinical presentation of pancoast tumor

Answer 10

Horners syndrome

Question 11

Most common nerve roots that experience nerve root avulsion

Answer 11

C8-T1

Question 12

Electrodiagnostic finding of nerve root avulsion in CMAP and SNAP

Answer 12

Absent CMAP and SNAP

Question 13

Most common nerve involved in neuralgia amyotrophy

Answer 13

Suprascapular nerve