Nerve Palsies

Question 1

What is HILTON’s law?

Answer 1

That a sensory nerve supplying a JOINT also innervates the MUSCLES that innervate the joint and the SKIn overlying the joint

Question 2

What causes a total brachial Plexus Palsy? C5-T1

Answer 2

Damage during childbirth

Question 3

What root numbers are damaged in Erb’s Palsy?

Answer 3

C 5,6, 7

Question 4

What part of the brachial plexus is damaged in Erb’s Palsy?

Answer 4

Superior brachial plexus

Question 5

What is a common cause of Erb’s Palsy?

Answer 5

Obstetric birthing complication when traction is applied

Question 6

What are the clinical features of Erb’s palsy?

Answer 6

Waiter’s tip position

Question 7

What is the position of the Shoulder, elbow and wrist

Answer 7

Adducted and internally rotated
Extended and pronated
Flexed

Question 8

Which nerve roots are affected in Klumpke’s palsy?

Answer 8

C8/T1

Question 9

Which section of the brachial plexus is affected in Klumpke’s palsy?

Answer 9

Lower section

Question 10

How is a Klumpke’s palsy caused?

Answer 10

If an upper limp is delivered 1st and traction applied

Question 11

What are the clinical features of Klumpke’s palsy?

Answer 11

Claw hand - the small muscles of the hands are affected, the forearm is supinated, the wrist and fingers flexed

Question 12

What nerve roots are affected in a musculocutaneous palsy?

Answer 12

C 5,6,7

Question 13

Which part o the cord is affected in the Musculocutaneuos nerve palsy?

Answer 13

Lateral

Question 14

Which muscle does the musculocutaneuos nerve piece and then run between?

Answer 14

Coracobrachialis

Biceps brachia and brachial

Question 15

What joint does the muscu N supply? And what does it terminate at?

Answer 15

Elbow joint

Lateral cutaneous nerve to the forearm

Question 16

What would cause a palsy to the MC nerve?

Answer 16

Stab wound to the upper arm

Question 17

What would be the clinical features of a palsy of the MC nerve?

Answer 17

Wasting of the biceps

Question 18

What roots form the axillary nerve?

Answer 18

C5/6

Question 19

Which part of the cord does it come from?

Answer 19

Posterior

Question 20

What structure does the axillary nerve wrap around?

Answer 20

Surgical neck of the humerus

Question 21

What does the axillary nerve supply?

Answer 21

The lateral sensation of arm

Deltoid and Teres minor

Question 22

What are 2 causes of damage to the axillary nerve

Answer 22

Fracture to the surgical neck of the humerus

Compression by dislocation

Question 23

What are the 2 symptoms of damage to the axillary nerve?

Answer 23

Numbness over the badge area

Deltoid wasting

Question 24

What nerve roots make up the RADIAL nerve?

Answer 24

C5,6,7,8 and T1

Question 25

Which part of the cord is it from?

Answer 25

Posterior

Question 26

What groove does the radial artery run in?

Answer 26

Radial groove of the humerus

Question 27

What areas does the radial nerve give sensory supply to?

Answer 27

Lower part of arm, posterior forearm and 2/3 dorsum of the hand

Question 28

What are the 2 causes of a radial nerve palsy?

Answer 28

Saturday night palsy = fall asleep on it | Fracture of the proximal humerus

Question 29

What is the clinical feature of a radial nerve palsy?

Answer 29

Wrist drop

Question 30

What roots make up the median nerve?

Answer 30

C5,6,7,8,T1

Question 31

What 2 chords does the median nerve come from?

Answer 31

Medial and lateral

Question 32

What sensory supply does the median nerve have?

Answer 32

Thenar eminence and the lateral 3 1/2 fingers

Question 33

What motor supply does the median nerve have?

Answer 33

LOAF muscles and all the flexors of the forearm except FCU and medial FDP

Question 34

What can cause a palsy of the median nerve?

Answer 34

Carpal tuneless compression or fracture of the humerus

Question 35

What is the clinical features of median nerve issues?

Answer 35

Hand of Benediction | Carpal tunnel syndrome

Question 36

Ulnar nerve Roots?

Answer 36

C7-T1

Question 37

What part of the cord is it form?

Answer 37

Medial cord

Question 38

What dies the ulnar nerve supply?

Answer 38

Anterior compartment and the HILA muscles of the hand

Question 39

What can cause an injury to the ulnar nerve?

Answer 39

That would be fracture of the humerus or compression at the cubital tunnel in the arm

Question 40

What is the symptoms of ulnar nerve compression?

Answer 40

Claw hand

Question 41

what are the roots of the sacral plexus?

Answer 41

S2-4

Question 42

What are the 3 main branches of the sacral plexus?

Answer 42

Superior gluteal nerve Inferior gluteal nerve Sciatic nerve

Question 43

What do the following supply? Superior gluteal nerve Inferior gluteal nerve Sciatic nerve

Answer 43

Gluteus medius and minimuns Gluteus maximus Posterior thigh leg and foot

Question 44

What is the main branch of the sciatic nerve?

Answer 44

Common peroneal nerve

Question 45

What does the deep common perineal nerve supply?

Answer 45

Anterior complement of the leg

Question 46

What does the Superficial common perineal nerve supply?

Answer 46

Lateral leg compartment

Question 47

What does the tibial nerve supply?

Answer 47

Posterior leg

Question 48

What is the main branch of the lumbar plexus?

Answer 48

Femoral nerve