Quiz 6: Shoulder and Upper Limb

Question 1

What are the articulating bones of the Acromioclavicular (AC) Joint

Answer 1

Acromion of the scapula and clavicle

Question 2

What is the structure type of the AC joint?

Answer 2

Synovial; plane

Question 3

What is the function type of the AC joint?

Answer 3

Diarthrotic

Question 4

What is the axial movement classification of the AC joint?

Answer 4

Multiaxial

Question 5

What movements are allowed with the AC joint?

Answer 5

Gliding and rotation of the scapula on the clavicle

Question 6

What is the articulating of the glenohumeral joint?

Answer 6

Scapula and humerus

Question 7

What is the structure type of the glenohumeral joint?

Answer 7

Synovial; ball and socket

Question 8

What is the function type of the glenohumeral joint?

Answer 8

Diarthrotic

Question 9

What is the axial movement classification of the glenohumeral joint?

Answer 9

Multiaxial

Question 10

What movements are allowed with the glenohumeral joint?

Answer 10

Flexion, circumduction, extension, abduction, adduction, and rotation of the humerus

Question 11

What does the long thoracic nerve innervate?

Answer 11

Serratus anterior muscle

Question 12

What do the medial and lateral pectoral nerves innervate?

Answer 12

Pectoralis major/minor

Question 13

What does the thoracodorsal nerve innervate?

Answer 13

Latissismus dorsi muscle

Question 14

What does the suprascapular nerve innervate?

Answer 14

Supraspinosous and infraspinatus muscle

Question 15

What does the upper subscapular nerve innervate?

Answer 15

Supraspinatus

Question 16

What does the lower subscapular nerve innervate?

Answer 16

Infraspinatus

Question 17

What does the dorsal (posterior) scapular nerve innervate?

Answer 17

Levitator scapulae, Rhomboid major/minor

Question 18

What does the musculocutaneous nerve innervate?

Answer 18

Coracobrachialis
Biceps brachii
Brachialis

Question 19

What does the axillary nerve innervate?

Answer 19

Teres minor
Deltoid muscles

Question 20

What does the radial nerve innervate?

Answer 20

Triceps brachii

Question 21

What is the origin of the serratus anterior?

Answer 21

Lateral surface of ribs 1-8

Question 22

Where does the serratus anterior insert?

Answer 22

Medial border of the scapula

Question 23

What action does the serratus anterior perform?

Answer 23

Protracts scapula and holds it against the thoracic wall

Question 24

What is the origin of pectoralis minor?

Answer 24

Anterior surface of ribs 3-5

Question 25

Where does the pectoralis minor insert?

Answer 25

Coracoid process of the scapula

Question 26

What action does the pectoralis minor perform?

Answer 26

Pulls scapula forward and downward (depresses)

Question 27

Where do the levator scapulae originate?

Answer 27

transverse process of C1-C4

Question 28

Where does the levator scapulae insert?

Answer 28

medial border of the scapula

Question 29

What action does the levator scapulae perform?

Answer 29

Elevates scapule

Question 30

Where does rhomboids major and minor originate?

Answer 30

Spinous process fo C7-T5

Question 31

Where do rhomboid major and minor insert?

Answer 31

Medial border of the scapula

Question 32

What action do the rhomboid major and minor perform?

Answer 32

retracts and elevates scapula

Question 33

Where does the trapezius insert?

Answer 33

Lateral third of clavicle

Question 34

Where does the trapezius originate?

Answer 34

Occipital bone and spinous processes of cervical and thoracic vertebrae

Question 35

What action does the trapezius perform?

Answer 35

Elevates, rotates, retracts/depresses scapula