Level 2 - Shoulder

Question 1

What bones does the shoulder girdle consist of?

Answer 1

Scapula and clavicle

Question 2

What bone forms the only bony joint with the trunk (sternum)?

Answer 2

Clavicle

Question 3

What is the joint called where the clavicle meets to sternum?

Answer 3

Sternoclavicular joint (SC joint)

Question 4

What is the joint called where the distal end f the clavicle articulate with the acromion process of the scapula?

Answer 4

Acromioclavicular joint (AC joint)

Question 5

Where is the scapula located in relation to the thorax?

Answer 5

Upper posterolateral aspect of the thorax

Question 6

T/F
The scapula is attached by muscles only?

Answer 6

True

Question 7

What is the joint called where the humerus articulates with the scapula?

Answer 7

Glenohumeral joint

Question 8

Where does the clavicle sit in relation to the thorax?

Answer 8

The clavicle sits horizontally at the anterior, superior aspect of the thorax

Question 9

T/F
The clavicle acts as a prop to support the shoulder away from the thorax to allow for free movement of the upper extremity

Answer 9

True

Question 10

What shape is the scapula?

Answer 10

Triangular
Flat bone

Question 11

What surface of the scapula is slightly concave and conforms to the curvature of the chest wall?

Answer 11

Costal (ribs) surface, anterior

Question 12

What are the ridges on the costal surface of the scapula for?

Answer 12

For attachment of the subscapularis muscle

Question 13

T/F
The lateral ridge is on the anterior surface of the scapula and lies parallel to the lateral border

Answer 13

True

Question 14

How is the posterior surface (dorsal) of the scapula defined from the anterior surface?

Answer 14

The spine

Question 15

What does the spine of the scapula divide?

Answer 15

The supraspinous and infraspinous fossae

Question 16

What does the spine of the scapula end?

Answer 16

Just before the head of the scapula

Question 17

Where does the acromion process begin?

Answer 17

At the neck, acromion angle
(Spine turns into acromion, makes a sharp turn anteriorly)

Question 18

What is it called where the 2 fossa’s (supra and infra spinous) can “communicate”?

Answer 18

Spinoglenoid notch

Question 19

What muscles attach to the spinoglenoid notch?

Answer 19

Trapezius and deltoid

Question 20

Which border on the scapula is the shortest?

Answer 20

Superior border

Question 21

What is at the lateral aspect of the superior border?

Answer 21

Suprascapular/scapular notch

Question 22

What border lies parallel to the spine when the arm is at the side and can be palpable?

Answer 22

Medial border

Question 23

What border is covered by muscles and runs from the inferior angle to the glenoid cavity?

Answer 23

Lateral border

Question 24

Where is the glenoid fossa located?

Answer 24

Lateral

Question 25

What is located between the superior and medial borders?

Answer 25

Superior angle

Question 26

What is located between the medial and lateral borders? It is at the level of the 7th rib

Answer 26

Inferior angle

Question 27

What angle is broad and has the glenoid cavity (the head of the scapula). behind is the neck of the scapula

Answer 27

Lateral angle (glenoid fossa/head of scapula)

Question 28

What is an articulat surface with slight concavity. It faces lateral with slight up and forward tilt

Answer 28

Glenoid cavity

Question 29

What is the fibrocartilaginous rim that attaches to the glenoid cavity to deepen the cavity of the joint?

Answer 29

Glenoid labrum

Question 30

Where is the supraglenoid tubercle located, and what muscle attaches to it?

Answer 30

Above glenoid cavity Biceps

Question 31

Where is the infraglenoid tubercle located and what muscle attaches to it?

Answer 31

Below glenoid cavity Triceps

Question 32

-Arises from the lateral end of the superior border -Projects up and forward then turns sharply laterally over the superior aspect of the shoulder joint

Answer 32

Coracoid process (Anterior)

Question 33

What muscles attach to the coracoid process?

Answer 33

Biceps and coracobrachialis

Question 34

-a flattened lateral projection continuous with the spine of the scapula, at the criminal angle -projects laterally over the shoulder joint -articulated with clavicle

Answer 34

Acromion (Posterolateral)

Question 35

T/F The clavicle has cancellous bone covered in compact bone. It has no medullary cavity

Answer 35

True

Question 36

What end of the clavicle articulates with the clavicular notch of the manubrium sterni

Answer 36

Sternal end of clavicle Forms Sternoclavicular joint (Square shaped end)

Question 37

What end of the clavicle articulates with the medial side of the acromion? It has the trapezoid line and conoid tubercle (attachments for ligaments) on the under surface

Answer 37

Acromial end Acromioclavicular joint (Flatter end)

Question 38

What surface of the clavicle is flat?

Answer 38

Superior surface

Question 39

What surface of the clavicle has the tubercle with the ridge (conoid)

Answer 39

Inferior surfacr

Question 40

What side of the clavicle is convex?

Answer 40

Medial

Question 41

What side of the clavicle is concave?

Answer 41

Lateral

Question 42

What structures strengthen the shoulder joint?

Answer 42

Ligaments, muscles, tendons, bursae (Glenoid labrum lends depth to the glenoid cavity)

Question 43

What type of joint is the shoulder?

Answer 43

Synovial, ball and socket, multiaxial

Question 44

What movements does the shoulder joint allow for?

Answer 44

Flexion, extension, abduction, adduction, rotation, medial and lateral rotation, circumduction

Question 45

What type of joint is the Sternoclavicular joint? And what are its movements?

Answer 45

Synovial, gliding or saddle joint Gliding, elevation, depression protraction, retraction, rotation along the clavicle

Question 46

What type of joint is the Acromioclavicular joint? And what are its movements?

Answer 46

Synovial, gliding/plane Rotational movements along the long axis of the clavicle/gliding