Chapter 5: The Shoulder Girdle

Question 1

What consists the upper limb?

Answer 1

1. The pectoral girdle (clavicle and scapula)
2. Arm
3. Forearm
4. Hand

Question 2

___________ - is composed from the scapula and the clavicle. Joins onto the manubrium of the sternum. It is here that the upper appendicular skeleton joins onto the axial skeleton.

Answer 2

shoulder girdle

Question 3

Shoulder girdle is also known as:

Answer 3

pectoral girdle

Question 4

__________ - is considered a long bone in the body but has no medullary cavity. Instead, it consists of spongy bone with a shell of compact bone. Runs from the manubrium of the sternum to the acromion process of the scapula and connects the upper limb to the trunk.

Answer 4

clavicle

Question 5

The medial part of the clavicle (medial 2/3) is _________ and the lateral part (lateral 1/3) is _________ . This gives the clavicle an ‘S’ shape and makes it more resilient.

Answer 5

convex anteriorly

concave anteriorly

Question 6

State if True or False:

It is the first bone in the body to ossify. The right clavicle is usually stronger and shorter than the left.

Answer 6

True

Question 7

_________ - found on the superior acromial end of the clavicle. It is the proximal attachment for the anterior deltoid muscle.

Answer 7

deltoid tubercle

Question 8

_________ - on the lateral, inferior surface is the attachment for the conoid ligament.

Answer 8

conoid tubercle

Question 9

Between the two clavicles, above the sternum, the ____________ notch is located.

Answer 9

jugular or suprasternal

Question 10

___________ - on the medial third of the clavicle is the attachment of the subclavius muscle.

Answer 10

subclavian groove

Question 11

_________________ - located on the medial and inferior
surface of the clavicle. It is the attachment for the costoclavicular ligament (binds the first rib to the clavicle).

Answer 11

Impression for the costoclavicular ligament

Question 12

________ - is a triangular flat bone that lies in the posterolateral aspect of the thorax, overlying 2 - 7 ribs. It is concave anterior (costal surface) called the ____________ . Has a superior, medial and lateral border.

Answer 12

scapula

subscapular fossa

Question 13

Parts of the scapula:
Located above the spine is ____________ .
Below the spine is ____________.

Answer 13

supraspinatus fossa

infraspinatus fossa

Question 14

The superior angle of scapula lies at ______ .
The inferior angle of scapula lies at ______.

Answer 14

T2

T7

Question 15

Parts of Scapula:

Adjacent to the lateral angle is the ______ of the scapula. Inferior to the head, is a constriction between the head and the body of the scapula called the ____________.

Answer 15

head

neck of the scapula.

Question 16

___________ - runs from superior medial border (root) and ends laterally with the acromion process. lies at T3 spine.

Answer 16

spine of scapula

Question 17

____________ - is a flat expansion of the spine of the scapula located on the lateral superior aspect of the scapula.

Answer 17

acromion process

Question 18

___________ - is the attachment for pec minor, the short head of the biceps and coracobrachialis muscles.

Answer 18

coracoid process

Question 19

_________ - is shallow and oval shaped, approximately 4cm long and 2-3 cm wide. It has two tubercles (supraglenoid and infraglenoid).

Answer 19

glenoid fossa

Question 20

The scapular also has a ____________ located where the superior border of the scapula.

Answer 20

suprascapular notch