Wrist And Hand

Question 1

How many carpal bones are in the wrist?

Answer 1

8 carpal bones

Question 2

What 2 bones does the wrist articulate with?

Answer 2

The radius & ulna

Question 3

How many metacarpal bones are there?

Answer 3

5 metacarpal bones

Question 4

How many phalange & phalange bones are there?

Answer 4

5 phalange & 14 phalange bones

Question 5

What are the proximal carpal bones? ‘

Answer 5

Scapnold, lunate, triquetrum, pisiform

Question 6

What are the distal carpal bones?

Answer 6

Trapezium, trapezoid, capitate, hamate

Question 7

What carpal bone articulates with the radial head at it’s distal end?

Answer 7

The scapnold

Question 8

What is a carpal tunnel?

Answer 8

Carpal bones form a three - sided arch

Question 9

Wrist movement

Answer 9

Muscles inserting on the carpals and metacarpal bones

Question 10

Finger movement

Answer 10

Muscles inserting on the phalange bones

Question 11

Movements of the wrist

Answer 11

Flextion & extension
Abduction (radial deviation)
Adduction( (ulnar deviation)

Question 12

Movements of the phalanges?

Answer 12

Flextion & extension
MCP joints - abduct & adduct

Question 13

Where are extensors located?

Answer 13

Dorsal aspect

Question 14

Where are flexors located?

Answer 14

Palmar aspect

Question 15

Origin of the flexor carpi radialis, palmar longus, and flexor carpi ulnaris?

Answer 15

Medial epicondyle

Question 16

Insertion of flexor carpi radialis?

Answer 16

Base of second and third metacarpal

Question 17

Insertion of palmaris longus

Answer 17

Palmaris aponeurosis of second- fifth metacarpal

Question 18

Insertion of flexor carpi ulnaris

Answer 18

Pisiform, hamate, & base of fifth metacarpal

Question 19

What does the flexor carpi radialis, flexor carpi ulnaris, and palmaris longus all have in common

Answer 19

1. Originate at the medial epicondyle
2. Insert on the palmar aspect of the hand
3. Perform wrist flextion

Question 20

Origin of extensor carpi ulnaris, extensor carpi radialis brevis, and extensor carpi radialis longus?

Answer 20

Lateral epidcondyle

Radialis longus also originates on the lateral supracondyloid ridge

Question 21

Second origin of extensor carpi ulnaris

Answer 21

Middle two fourths of posterior side of ulna

Question 22

Insertion of extensor carpi ulnaris

Answer 22

Base of fifth metacarpal

Question 23

Insertion of extensor carpi radialis brevis

Answer 23

Base of third metacarpal

Question 24

Insertion of extensor carpi radialis longus

Answer 24

Base of second metacarpal (dorsal aspect)

Question 25

What does extensor Capri ulnaris, extensor Capri radials brevis, & extensor Capri radials longs all have in common

Answer 25

1. Originate at lateral epicondyle
2. Insert on the dorsal aspect
3. Perform wrist extension

Question 26

Origin of flexor digitorum superficialis?

Answer 26

Medial epicondyle, medial coranoid process, upper two thirds of anterior border of u’na

Question 27

Insertion of flexor carpi digitorum superficialis

Answer 27

Split tendons attach to sides of middle phalanx of four fingers (palmar aspect)