Brachial Plexus

Question 1

Long thoracic innervates

Answer 1

Serratus anterior

Question 2

Dorsal scapular innervates

Answer 2

Rhomboids

Levator scap

Question 3

Medial cutaneous nerve of arm innervates

Answer 3

Skin on the lower third of the arm

Question 4

Axillary nerve innervates

Answer 4

Deltoid teres minor and triceps long head

Question 5

Thoracodorsal innervates

Answer 5

Latissimus dorsi

Question 6

Result of shoulder depression on neuro vascular symptoms

Answer 6

Stretch upper and middle trunks over scalene

Pull lower trunk into angle formed by first rib and scalene tendon

Question 7

Results of Shoulder retraction in neuro vascular symptoms

Answer 7

Compression of subclavian vein by tendon of subclavian muscle (not clavicle)

Question 8

Result of Abduction and retraction on neuro vascular symptoms

Answer 8

Clavicle compression on brachial plexus

Clavicle compression of subclavian artery against scalene muscle

Question 9

Result of scapular retraction in neuro vascular symptoms

Answer 9

Compression of brachial plexus at point where it passes between clavicle and first rib
Compression of subclavian artery at point where it passes between clavicle and first rib

Question 10

Supra scapular nerve

Answer 10

Powers supraspinatus and infra

Question 11

Who are most at risk of suprascapular nerve entrapment and why

Answer 11

Growing athletes because of scapular excursion- more tension on the nerve

Question 12

Axillary nerve path

Answer 12

Central to su scap, around inferior ghj capsule, through quadrangular space

Question 13

Posterior interosseous nerve innervates

Answer 13

Supinator muscle
Deep muscles of posterior forearm
Wrist joint

Question 14

Musculocutanous nerve innervates

Answer 14

Coracobrachialis
Brachialis (dual innervation)
Biceps

Question 15

Entrapment points for ulnar nerve

Answer 15

Arcade of struthers
Condylar groove
Arcuate ligament at cubital tunnel
Pisohamate ligament at guyons canal
Adductor pollicis

Question 16

Entrapment of median nerve

Answer 16

Arcade of struthers
Bicipital aponeurosis
Pronator teres
Carpal tunnel

Question 17

Ain innervates

Answer 17

Fdp
Fpl
Pronator quadratus

Question 18

Posterior cord muscles

Answer 18

Subscap 
Latissimus dorsi
Deltoid 
Teres major 
Teres minor 
All radial nerve innervated muscles:
Triceps
Anconeus 
Brachioradialis
Ecrl/b
Ecu
Supinator 
Ei 
Epl epb apl 
Edc
Edm

Question 19

Klumpke palsy

Answer 19

Isolated lower plexus lesions

Question 20

Sternocostoclavicular space contents

Answer 20

Roots of the plexus, subclavian artery and vein, jugular vein and neck lymphatics

Question 21

Scalene triangle contents

Answer 21

Roots and trunks of the plexus and the subclavian artery

Question 22

Costclavicular space contents

Answer 22

Divisions of the plexus and subclavian artery and vein

Question 23

Pec minor space contents

Answer 23

Cords of the plexus and subclavian vein and artery

Question 24

Middle finger sensation indications with brachial plexopathy

Answer 24

Medial middle finger changes indicate medial cord involvement
Lateral middle finger changes indicate lateral cord involvement

Question 25

How long is ok for increased parasthesias after neuro gliding treatment in clinic for chronic brachial plexopathy

Answer 25

48 hours