1.3.3. The Scapula

Question 1

What does the Scapula articulate with?

Answer 1

1. The Humerus

2. The Clavicle

Question 2

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

Answer 2

Acromioclavicular Joint

Question 3

What is the Shape of the Scapula?

Answer 3

It is a Triangular, Flat Bone

Question 4

How many muscles are attached onto the Scapula?

Answer 4

17

Question 5

1. What is the Anterior Surface of the Scapula known as?

2. Why?

Answer 5

1. The Costal Surface

2. Because it is the side facing the Ribcage

Question 6

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

Answer 6

The Subscapular Fossa

Question 7

Which Rotator Cuff Muscle originates from the Subscapular Fossa?

Answer 7

The Subscapularis Muscle

Question 8

Where does the Coracoid Process originate from?

Answer 8

The Supero-Lateral surface of the Costal Scapula

Question 9

What does the Coracoid Process look like?

Answer 9

A “Hook Projection”

Question 10

Where does the Coracoid Process lie?

Answer 10

Just underneath the Clavicle

Question 11

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

Answer 11

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

Question 12

What does the Lateral surface of the Scapula face?

Answer 12

The Humerus

Question 13

What is found on the Lateral surface of the Scapula?

Answer 13

1. The Glenohumeral Joint

2. Other muscle attachments

Question 14

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

Answer 14

The Glenoid Fossa

Question 15

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

Answer 15

The Supraglenoid Tubercle

Question 16

What attaches to the Supraglenoid Tubercle?

Answer 16

The Long Head of the Biceps Brachii

Question 17

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

Answer 17

The Infraglenoid Tubercle

Question 18

What attaches to the Infraglenoid Tubercle?

Answer 18

The Long Head of the Triceps Brachii

Question 19

What are attached to the posterior surface of the Scapula?

Answer 19

The majority of the Rotator Cuff Muscles

Question 20

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

Answer 20

The Spine

Question 21

How does the Spine of the Scapula run?

Answer 21

Transversely, dividing the Posterior Surface of the Scapula into 2

Question 22

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

Answer 22

1. Supraspinous Fossa (Above the Spine)

2. Infraspinous Fossa (Below the Spine)

Question 23

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

Answer 23

The Infraspinous Fossa

Question 24

What is the shape of the Supraspinous Fossa?

Answer 24

Convex

Question 25

What muscle originates from the Supraspinous Fossa?

Answer 25

The Supraspinatus Muscle

Question 26

What is the shape of the Infraspinatus Fossa?

Answer 26

Convex

Question 27

What muscle originates from the Infraspinous Fossa?

Answer 27

The Infraspinatus Muscle

Question 28

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

Answer 28

The Acromion

Question 29

What does the Acromion:

1. Articulate with?
2. Arch over?

Answer 29

1. The Clavicle

2. The Glenohumeral Joint

Question 30

What type of joint is the Acromioclavicular Joint?

Answer 30

A Synovial Plane

Question 31

What type of Joint is the Sternoclavicular Joint?

Answer 31

A Synovial Saddle