Peripheral nerve lesions 2 - upper limb - movement - symposia

Question 1

dermatome

Answer 1

an area of skin supplied by a single nerve

Question 2

myotome

Answer 2

a muscle supplied by a single nerve

Question 3

Tinel’s test and phalens test are done for what nerve?

Answer 3

Median nerve

Question 4

loss of wrist flexion, circle sign.
-thumb weakness
-altered sensation
are characteristic of damage to what nerve

Answer 4

Median nerve

Question 5

Loss of active extension of upper arm is characteristic of damage to what nerve?

Answer 5

Radial nerve

Question 6

What does the deep branch of the ulnar nerve supply?

Answer 6

• hypothenar
• interossei
• ulnar 2 lumbricals
• adductor pollicis

Question 7

what occurs during lumbrical paralysis?

Answer 7

The finger flexors act unopposed and bend the fingers

Question 8

froments test

Answer 8

ulnar nerve

tests interosseous weakness

Question 9

wartenburgs abnormality

Answer 9

affects little finger

Question 10

Hand weakness is characteristic to what nerve damage

Answer 10

Ulnar

Question 11

What nerve allows extension of thumb?

Answer 11

Radial

Question 12

What nerve allows flexion and opposition by thumb?

Answer 12

Median

Question 13

What nerve allows adduction of thumb

Answer 13

Ulnar