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Flashcards in Week 7 Deck (234)
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1

What are the bones in the proximal row of the hand in order of most lateral to most medial?

- Scaphoid
- Lunate
- Triquetrum
- Pisiform

2

What are the bones in the distal row of the hand in order of most lateral to most medial?

- Trapezium
- Trapezoid
- Capitate
- Hamate

3

What kind of joints are the intercarpal joints?

Synovial joints

4

Metacarpals extend from the ___ to the ___

Metacarpals extend from the *carpal bones to the digits*

5

In what order are the metacarpals numbered?

Numbered one to five from lateral to medial

6

What are the components of a metacarpals?

- Head
- Body (shaft)
- Base

7

What are the components of a phalange?

- Head
- Body
- Base

8

What finger has only 2 phalanges?

The thumb ( proximal and distal)

9

What is the biggest wrist bone?

Capitate

10

What bones sit on the other on the proximal row of bones of the wrist?

The pisiform sits on the triquetrum

11

On what side of the hand do we see the hook of the hamate and the pisiform?

On the palmar surface of the hand

12

Another word for palmar is ___

Another word for palmar is *volar*

13

What does it mean to be a synovial joint?

Have these things:
- Articular cartilage lining the joint surfaces
- A fibrous joint capsule
- Synovial membrane lining the joint capsule
- Synovial fluid between the joint

14

On what surface of the hand do we have the thickening of fascia?

Thickening of fascia about
wrist on both anterior and
posterior sides

15

What side of the hand has the extensor retinaculum?

Posterior side (back of the hand)

16

What does the extensor retinaculum do?

Prevents bowing of long extensor tendons

17

On what side is the flexor retinaculum?

The anterior side

18

What does the flexor retinaculum do?

Converts the carpals into a concave surface forming the carpal tunnel

19

What does the carpal tunnel do?

Allows passage of the
flexor tendons and median nerve into the palm of the hand

20

What is the medial attachment of the flexor retinaculum?

The pisiform and hook of
hamate

21

What is the lateral attachment of the flexor retinaculum?

The trapezium (distal) and scaphoid (proximal)

22

How many compartments of the extensor retinaculum are there?

6

23

What is in the 1st compartment of the extensor retinaculum counting from the radial end?

- Abductor pollicis longus
- Extensor pollicis brevis

24

What causes de quervains tendonitis?

The inflammation of the tendons of abductor pollicis longus and extensor pollicis brevis, which is why they are called the de quervains muscle

25

What is in the 2nd compartment of the extensor retinaculum counting from the radial end?

- Extensor carpi radialis brevis and longus

26

What is in the 3rd compartment of the extensor retinaculum counting from the radial end?

- Extensor pollicis longus

27

What helps separates the compartments of the extensor retinaculum?

A bony prominence on the radius, called the dorsal tubercle of the radius/ listers tubercle

28

What is in the 4th compartment of the extensor retinaculum counting from the radial end?

- All 4 tendons of extensor digitorum communis
- Extensor indicis

29

What is in the 5th compartment of the extensor retinaculum counting from the radial end?

- Extensor digiti minimi

30

What is in the 6th compartment of the extensor retinaculum counting from the radial end?

Extensor carpi ulnaris