Brachial Plexus

Question 1

What are the 5 divisions of the Brachial Plexus

Answer 1

Roots Trunks Divisions Cords Branches “Reach to drink cold beer”

Question 2

Erbs Palsy

Answer 2

Area Impacted C5 + C6 Shoulder internally rotated Elbow Extended Forearm Pronated

Question 3

Klumpkes Palsy

Answer 3

Area Impacted C7 + C8 + T1 Hand Supinated Wrist Extended Fingers Clawed

Question 4

Carpal Tunnel Syndrome

Answer 4

Compression of the median nerve by the transverse carpal ligament Loss of opposition (index finger to thumb) Numbness to thumb + index + middle and half of ring finger

Question 5

Common areas of compression for Ulnar nerve

Answer 5

Cubital Tunnel Guyon’s Canal

Question 6

Common areas of compression for Median nerve

Answer 6

Transverse Carpal Ligament

Question 7

Common areas of compression for Thoracic outlet syndrome

Answer 7

Interscalene triangle Costo clavicular space Subcoracoid space

Question 8

Cubital Tunnel Syndrome

Answer 8

Location impacted: Elbow (Funny Bone) Less pronounced hand claw (1/2 Ring and pinky) Reduced ability to pinch (Abductor Pollicis)

Question 9

Guyon Canal Compression

Answer 9

Location impacted: Wrist More pronounced hand claw (1/2 Ring and pinky) Reduced ability to pinch (Abductor Pollicis)

Question 10

Common areas of compression for Radial nerve

Answer 10

Radial Grove

Question 11

Radial Nerve Palsy

Answer 11

Location Impacted: Wrist Causes wrist drop (flexion) Inability to extend wrist fingers and thumb