Bones of the Forearm and Hand

Question 1

What bony structures make up the forearm and the hand?

Answer 1

Radius, Ulna, 8 carpals, 5 metacarpals, and 14 phalanges.

Question 2

What bony structure is the lateral bone of the forearm?

Answer 2

Radius.

Question 3

What bony landmark of the humerus does the radius articulate with?

Answer 3

Capitulum of the humerus, ulna, and scaphoid.

Question 4

True or false; the ulna is primarily a bone of movement in the forearm during rotation.

Answer 4

False; radius.

Question 5

A disc-shaped structure that enables the synovial pivot joint in the forearm.

Answer 5

Head of the radius.

Question 6

A swelling inferior to the radial neck on the medial surface where the biceps brachii muscle attaches.

Answer 6

Radial tuberosity.

Question 7

Prominent and palpable process on the distal and lateral end where the brachioradialis muscle attaches.

Answer 7

Radial styloid process.

Question 8

What bony structure is the medial bone of the forearm?

Answer 8

Ulna.

Question 9

What bony landmark of the humerus does the ulna articulate with?

Answer 9

Trochlea of the humerus.

Question 10

A large posterior projection that contributes to the trochlear notch and articulates with the humerus.

Answer 10

Olecranon process.

Question 11

A small anterior projection that contributes to the trochlear notch and articulates with the humerus.

Answer 11

Coronoid process.

Question 12

A large notch on the proximal end of the ulna that is formed by the olecranon and coronoid processes. Articulates with the trochlea on the humerus.

Answer 12

Trochlear notch.

Question 13

A distal rounded surface at the end of the ulna.

Answer 13

Head of the ulna.

Question 14

A palpable distal projection from the dorsal medial ulna.

Answer 14

Ulnar styloid process.

Question 15

There are 8 ________ bones, that are arranged as a proximal row and a distal row.

Answer 15

Carpal.

Question 16

Some Lovers Try Positions That They Can’t Handle.

Answer 16

Proximal                Distal
Scaphoid              Trapezium 
Lunate                  Trapezoid
Triquetrum            Capitate
Pisiform                 Hamate

Question 17

There are 5 __________ bones, corresponding to each digit starting with the thumb (1) to the little finger (5).

Answer 17

Metacarpal.

Question 18

There are 14 __________ bones, digits 2 through 5 consist of proximal, middle, and distal phalanx, where as the thumb only has a proximal and a distal phalanx.

Answer 18

Phalanges.