Wrist and Hand

Question 1

Which bones make the wrist?

Answer 1

The distal radius and proximal carpal bones.

Question 2

How many carpal bones are there?

Answer 2

4 proximal row

4 distal row

Question 3

The wrist allows for what type of movements unique to humans?

Answer 3

Allows for movement of the hand and opposition.

Question 4

What does volar mean?

Answer 4

Palm.

Question 5

Which carpals of the proximal row articulate with the radius?

Answer 5

Scaphoid and Lunate

Question 6

Which 2 carpal bones overlap each other?

Answer 6

Triquetrum and Pisiform

Question 7

Which carpal is only visible anteriorly?

Answer 7

Pisiform

Question 8

List the order from lateral to medial of the distal carpal bones.

Answer 8

Trapezium, Trapezoid, Capitate, Hamate

Question 9

Which carpal is located around the base of metacarpal 2?

Answer 9

Trapezoid

Question 10

What type of joints are the radiocarpal joints? (scaphoid and lunate)

Answer 10

Synovial Condyloid

Question 11

What type of joint are the mid-carpal joints?

Answer 11

Synovial Gliding

Question 12

What does the joint capsule of the wrist include other than the actual wrist joint itself?

Answer 12

The carpometacarpal joints 2-5

Question 13

How are the metacarpals numbered?

Answer 13

1-5 from thumb to pinky

Question 14

What does CMC stand for?

Answer 14

Carpometacarpal Joints, where the carpals articulate with the carpals

Question 15

What type of joint is the 1st CMC joint?

Answer 15

Saddle

Question 16

CMC joints 2-5 are what type of synovial joints?

Answer 16

Condyloid

Question 17

What is the function of the deep transverse ligament of the palm?

Answer 17

To stabilize and support the carpometacarpophalangeal joints

Question 18

How many phalangeal are there in total?

Answer 18

14

Question 19

Which phalange is not in the 1st digit?

Answer 19

Middle phalanx is not present in the thumb.

Question 20

What type of joints are the interphalangeal joints?

Answer 20

Hinge joints, they only allow for flexion and extension.

Question 21

Why is there no transverse ligament present within the phalange joint capsule?

Answer 21

Because that would mean the finger would then be webbed and we would not be able to have as much ROM as we do.

Question 22

Which of the following bones is found on the medial aspect of the wrist?

a) scaphoid
b) Triquetrum
c) hamate
d) trapezium
e) 2 of the above

Answer 22

e) 2 of the above (hamate and Triquetrum)

Question 23

Another name for the posterior surface of the hand is:

a) volar
b) dorsal
c) palmer
d) plantar
e) distal

Answer 23

b) dorsal