Chapter 6: The Arm and Forearm

Question 1

__________ - This bone extends from shoulder to elbow and is the largest bone of the upper limb. Has a proximal end, a body and a distal end.

Answer 1

Humerus (arm bone)

Question 2

What are the Landmarks of the proximal end of the Humerus?

Answer 2

1. The head of the humerus
2. The greater & lesser tubercles
3. The surgical neck

Question 3

__________ - is located just distal to the tubercles, where the bone narrows to become the body .

Answer 3

surgical neck

Question 4

The greater and lesser tubercles expand on to the body and are then called:

Answer 4

crest of the greater and lesser tubercles

Question 5

On the lateral aspect of the humerus there is a rough area called the _________ which is the attachment site for the deltoid muscle.

Answer 5

deltoid tuberosity

Question 6

The distal part of the bone expands from side to side, forming the _______ and lateral ____________ .

Answer 6

medial

supracondylar ridges

Question 7

What constitute the whole distal end of the humerus ?

Answer 7

condyle of the humerus

Question 8

What is the Articular surface that articulates with the radius?

Answer 8

Lateral capitulum

Question 9

What is the Articular surface that articulates with the ulna?

Answer 9

Medial trochlea

Question 10

_________ - anterior humerus (receives the coronoid process of the ulna, when the forearm is flexed).

Answer 10

coronoid fossa

Question 11

__________ - anterior humerus (receives the head of the radius, when the forearm is flexed)

Answer 11

radial fossa