Bones of the upper limb (Detailed)

Question 1

What is the pectoral/shoulder girdle?

Answer 1

-It consists of the scapula at the back and the clavicle anteriorly
-Together with the proximal part of the humerus it makes up the bony framework of the shoulder

Question 2

What is the clavicle

Answer 2

-A double-curved long bone which connects the arm to the trunk
-It articulates medially with the sternum at the sternoclavicular joint, and laterally with the acromion process of the scapula.

Question 3

What are the three parts of the clavicle

Answer 3

-Medial (sternal) end
-Lateral (acromial) end
-Shaft

Question 4

What is the scapula

Answer 4

-A flat bone that sits on the back
-Serves as a point attachment for many muscles
-There is a superior angle at the top and an inferior angle

Question 5

What are the three borders of the scapula

Answer 5

-A medial border
-A lateral border
-A superior border

Question 6

3 types of processes

Answer 6

-Spine of the scapula
-The spinous process
-Acromion process

Question 7

The 2 surfaces of the scapula

Answer 7

-The anterior surface which is the costal surface and lies against the ribs
-The posterior surface is divided by this spinous process into two halves

Question 8

What is the subscapular fossa

Answer 8

A fossa found on the anterior surface of the scapula (it is found underneath the scapula)

Question 9

Glenoid fossa

Answer 9

It is the point of articulation with the humerus

Question 10

What is the infra glenoid tubercle

Answer 10

The point of origin for the long head of the triceps

Question 10

What is the supra glenoid tubercle

Answer 10

The point where the long head of the bicep muscles attach

Question 10

What is the suprascapular notch

Answer 10

-A notch at the top of the scapula
-Medial to the coracoid process