O&A Pectoral Girdle

Question 1

What type of joint is the sternocalvicular joint?

Answer 1

Synovial saddle (functions as ball and socket)

Question 2

What are the articulating surfaces of the sternocalvicular joint?

Answer 2

Sternal end of clavicle articulates with manubrium and 1st costal cartilage

Question 3

What are the surfaces of the sternocalvicular joint covered in?

Answer 3

Fibrocartliage

Question 4

What ligaments are associated with the sternocalvicular joint?

Answer 4

Anterior and posterior sternoclavicular ligaments

Interclavicular ligament

Costoclavicular ligament

Question 5

What is the movement of the sternocalvicular joint?

Answer 5

Flexion, extension, and rotation

Question 6

What is the nuchal ligament for?

Answer 6

Anchor for muscle attachment

Question 7

What movement does the costoclavicular ligament restrict?

Answer 7

Elevation

Question 8

What movement does the acromioclavicular ligament resist?

Answer 8

Separation

Question 9

What movement does the posterior sternoclavicular ligament resist?

Answer 9

Protraction

Question 10

What movement does the interclavicular ligament resist?

Answer 10

Depression

Question 11

What movement does the coracoclavicular ligament resist?

Answer 11

Elevation

Question 12

What movement does the anterior sternoclavicular ligament resist?

Answer 12

Retraction

Question 13

What are the clavicular movements?

Answer 13

Elevation

Retraction

Posterior rotation

Question 14

What are the scapular movements?

Answer 14

Upward rotation

Posterior tilt

Internal rotation

Question 15

How much shoulder abduction is there in the scapular plane?

Answer 15

180°

120° of scapulathoracic

60° of glenohumoral (bottom 60)

Question 16

What does the coracohumeral ligament resist?

Answer 16

inferior translation

Question 17

What does the superior, middle, and inferior glenohumoral ligaments resist?

Answer 17

Anterior translation

Question 18

What does the anterior inferior glenohumoral ligament resist?

Answer 18

Abduction and external rotation

Question 19

What does the posterior inferior glenohumoral ligament resist?

Answer 19

Abduction and internal rotation

Question 20

What are the joints of the elbow?

Answer 20

Humoral radial

Humoral ulna

Question 21

What are the ligaments on the medial side of the elbow?

Answer 21

Anterior band

Posterior band

Oblique band

Question 22

What do the anterior, posterior, and oblique bands of the elbow limit?

Answer 22

Abduction of forearm

Question 23

What type of joint is the acromioclavicular joint?

Answer 23

Plane synovial

Question 24

What are the articulating surfaces of the acromioclavicular joint?

Answer 24

Acromial end of clavicle articulates with the acromion of the scapulae (covered in fibrocartilage)

Question 25

What ligaments are associated with the acromioclavicular joint?

Answer 25

Acromioclavicular ligament Coracoclavicular ligament Conoid ligament Trapezoid ligament

Question 26

What is the movement of the acromioclavicular joint?

Answer 26

Rotation on acromial end of clavicle

Question 27

What is the movement of the scapulothoracic joint?

Answer 27

Elevation Depression Protraction Retraction Rotation

Question 28

What is scapulohumeral rhythm?

Answer 28

1° of movement occurs for every 3° of arm movement

Question 29

What type of joint is the glenohumoral joint?

Answer 29

Ball and socket synovial

Question 30

What are the articulating surfaces of the glenohumoral joint?

Answer 30

Glenoid fossa of the scapula articulating with the head of the humerus

Question 31

What ligaments are associated with the glenohumoral joint?

Answer 31

Glenohumoral ligaments Coracohumoral ligaments Transverse ligaments Coracoacromial ligaments

Question 32

What are the movements of the glenohumoral joint?

Answer 32

Flexion Extension Abduction Adduction Medial and lateral rotation

Question 33

What is a bursae?

Answer 33

Contains synovial fluid and is located where tendons rub against bone