Chapter 7:

Question 1

Carpal bones

Answer 1

8 in 2 rows of 4 bones form wrist

Question 2

Eight carpal bones

Answer 2

Trapezium, trapezoid, capitate, hamate.

Scpahoid, lunate, triquetrum and pisiform

Question 3

Wrist joint ROM

Answer 3

70-90 flexion
65-85 degrees of extension
15-25 abduction
25-40 adduction

Question 4

Wrist is what kind of joint?

Answer 4

condyloid

Question 5

3 joints of each finger

Answer 5

metacarpophalangeal (MCP)
proximal iinterphalangeal (PIP)
distal interphalangeal (DIP)

Question 6

3 wrist flexors

Answer 6

flexor carpi radialis
flexor capri ulnaris
palmaris longus

Question 7

3 wrist extensors

Answer 7

extensor carpi radialis long
extensor radialis brevis
extensor carpi ulnar

Question 8

What passes through carpal tunnel?

Answer 8

median nerve all flexors minus flexor capri ulnaris and palmaris longus

Question 9

Flexor Capri radialis

Answer 9

O: Med. Epicondyle
I: base of second and third mc
N: median
A: flexion

Question 10

Palmaris longus

Answer 10

O: med. Epicondyle
I: palmar fascia
N: media
A: flexion

Question 11

Flexor Carpi Ulnaris

Answer 11

O: med. Epicondyle
I: pisiform, hamate, fifth metacarpal
N: ulnar
A: flex

Question 12

Flexor Digitorium Superficialis

Answer 12

O: med epi
I: middle phalanges of digits 2-5
N: median
A: flex digits 2-5

Question 13

Flexor Digitorum Profundus

Answer 13

O: proximal 3/4 ulna
I: base of distal phalanges 2-5
N: median (2,3) and ulnar (4,5)
A: flex dip and flex wrist, pip, mcp 
** know for sure

Question 14

Flexor pollicis longus

Answer 14

O: middle radius
I: base of distal plalanx of thumb
N: median nerve
A: flexes thumb

Question 15

Extensor Carpi Ulnaris

Answer 15

O: lat ep.
I: base of 5th
N: radial
A: extend

Question 16

Extensor Capri radialis brevis

Answer 16

O: late ep.
I: base of 3rd mc
N: radial nerve
A: extend wrist

Question 17

Extensor Capri Radialis longus

Answer 17

O: lat ep
I: base of 2nd mC
N: radial
A: extend

Question 18

Extensor Digitorum

Answer 18

O: lat ep.
I: bases of middle and distal phalanges 2-5
N: radial
A: extends wrist and digits 2-5

Question 19

Most common fractured bone in wrist

Answer 19

Scaphoid bone

Question 20

CMC joint is what kind of joint

Answer 20

saddle

Question 21

Extensor Indicis

Answer 21

O: middle 1/3 of ulna
I: middle and distal phalange of second
N: radial
A: extend index

Question 22

Extensor Digiti Minimi

Answer 22

O: lateral ep.
I: bases of middle and distal phalange (5th)
N: radial
A: extend 5th digit

Question 23

Extensor Pollicis Longus

Answer 23

O: middle ulna
I: base of distal phalanx (1st)
N: radial
A: extends thumb

Question 24

Extensor Pollicis Brevis

Answer 24

O: middle radius
I: base of proximal phalanx
N: radial
A: extends thumb

Question 25

Abductor Pollicis Longus

Answer 25

O: middle of radius and ulnar
I: base of 1st mc
N: radial nerve
A: abduct thumb