1.3.3. The Scapula

Question 1

What is the Scapula commonly known as?

Answer 1

The Shoulder Blade

Question 2

What does the Scapula articulate with?

Answer 2

1. The Humerus

2. The Clavicle

Question 3

What is the name of the joint at which the Scapula connects with the Humerus?

Answer 3

Glenohumeral Joint

Question 4

What is the name of the joint at which the Scapula connect with the Clavicle?

Answer 4

Acromioclavicular Joint

Question 5

What does the Scapula connect, given its attachment to the Humerus and Clavicle?

Answer 5

The Upper Limb to the Trunk

Question 6

What is the Shape of the Scapula?

Answer 6

It is a Triangular, Flat Bone

Question 7

How many muscles are attached onto the Scapula?

Answer 7

17

Question 8

What is the name of the Concave depression over the Costal Surface of the Scapula?

Answer 8

The Subscapular Fossa

Question 9

Which Rotator Cuff Muscle originates from the Subscapular Fossa?

Answer 9

The Subscapularis Muscle

Question 10

Where does the Coracoid Process originate from?

Answer 10

The Supero-Lateral surface of the Costal Scapula

Question 11

What does the Coracoid Process look like?

Answer 11

A “Hook Projection”

Question 12

Where does the Coracoid Process lie?

Answer 12

Just underneath the Clavicle

Question 13

What muscles are attached to / originate from the Coracoid Process?

Answer 13

1. The Pectoralis Major (attaches to)
2. Coracobrachialis (originates from)
3. Biceps Brachii (originates from)

Question 14

What does the Lateral surface of the Scapula face?

Answer 14

The Humerus

Question 15

What is found on the Lateral surface of the Scapula?

Answer 15

1. The Glenohumeral Joint

2. Other muscle attachments

Question 16

What is the name of the shallow cavity which articulates with the Humerus (to form the Glenohumeral Joint)?

Answer 16

The Glenoid Fossa

Question 17

What is the name of the Tubercle directly above the Glenoid Fossa?

Answer 17

The Supraglenoid Tubercle

Question 18

What attaches to the Supraglenoid Tubercle?

Answer 18

The Long Head of the Biceps Brachii

Question 19

What is the name of the Tubercle directly below the Glenoid Fossa?

Answer 19

The Infraglenoid Tubercle

Question 20

What attaches to the Infraglenoid Tubercle?

Answer 20

The Long Head of the Triceps Brachii

Question 21

What are attached to the posterior surface of the Scapula?

Answer 21

The majority of the Rotator Cuff Muscles

Question 22

What is the name of the most prominent feature on the posterior surface of the Scapula?

Answer 22

The Spine

Question 23

How does the Spine of the Scapula run?

Answer 23

Transversely, dividing the Posterior Surface of the Scapula into 2

Question 24

What are the 2 divisions of the Posterior Surface of the Scapula (made by the Spine)?

Answer 24

1. Supraspinous Fossa (Above the Spine)

2. Infraspinous Fossa (Below the Spine)

Question 25

Which is larger of the Supraspinous Fossa, and the Infraspinous Fossa?

Answer 25

The Infraspinous Fossa

Question 26

What is the shape of the Supraspinous Fossa?

Answer 26

Convex

Question 27

What muscle originates from the Supraspinous Fossa?

Answer 27

The Supraspinatus Muscle

Question 28

What is the shape of the Infraspinatus Fossa?

Answer 28

Convex

Question 29

What muscle originates from the Infraspinous Fossa?

Answer 29

The Infraspinatus Muscle

Question 30

What is the name of the Projection off of the Spine?

Answer 30

The Acromion

Question 31

What does the Acromion:

1. Articulate with?
2. Arch over?

Answer 31

1. The Clavicle

2. The Glenohumeral Joint

Question 32

What type of joint is the Acromioclavicular Joint?

Answer 32

A Synovial Plane

Question 33

What type of Joint is the Sternoclavicular Joint?

Answer 33

A Synovial Saddle