Hand Flashcards Preview

Gross Anatomy Term 1 > Hand > Flashcards

Flashcards in Hand Deck (13):
1

What runs through Guyon's canal?

Ulnar nerve & artery

2

What innervates the lateral 2 lumbricals?

Median nerve

3

What innervates the medial 2 lumbricals?

ulnar nerve

4

What are the functions of the lumbricals?

-maintain tension of extensor hood
-aid in PIP, DIP extension

5

What is the function of the palmar interossei?

Adduct fingers 1, 3, 4

6

What is the innervation of the palmar interossei?

Ulnar nerve

7

What is the function of the dorsal interossei?

Abduct fingers 1, 2, 3

8

What is the innervation of the dorsal interossei?

Ulnar

9

What nerve is damaged in wristdrop?

Which nerve roots?

radial nerve

C7,8

10

What nerve is damaged in claw hand?

Ulnar nerve

11

Damage to what nerve results in thenar atrophy?

What nerve roots?

Median nerve

C8, T1 (Klumpke's)

12

What artery supplies the pointer finger?

Radial indicis

13

What artery supplies the thumb?

Princeps pollicis