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Question 1

What bones make up the shoulder (pectoral) girdle?

Answer 1

The shoulder (pectoral) girdle consists of the scapula (and its articulation with the sternum) clavicle and the 1st costal cartilage.

Question 2

What two joints of the shoulder girdle allow the connection of the upper limb with the axial skeleton?

Answer 2

sternoclavicular and the acromioclavicular,

Question 3

What is the only direct connection between the pectoral girdle and the axial skeleton?

Answer 3

The clavicle

Question 4

How to Identify which scapula you’re looking at and from what position are you looking at it?

Answer 4

Look at the longest portion of the scapula and the acromion.

If the acromion is pointing towards you, then the side that the longest part of the scapula is pointing towards the opposite of the scapula.

Bc the acromion is pointing towards you, that means you are looking from behind.

Question 5

What are common locations for clavicle fractures?

Answer 5

Fractures of the clavicle usually occur in its middle third or outer third.

2/3 and 1/3 junction is the most common place for injuries

Question 6

What are common causes of clavicle fractures?

Answer 6

Clavicle fractures most commonly occur due to side impact injuries (car accidents) or a fall on an outstretched hand.

Question 7

What ligament may get torn in a clavicle fracture involving the outer third of the clavicle?

Answer 7

Coracoclavicular

Question 8

What happens to the medial fragment of the clavicle after a fracture?

Answer 8

The sternocleidomastoid muscle elevates the medial fragment of bone.