Shoulder

Question 1

What is the action of Trapezius?

Answer 1

retract, elevate, depress and rotate scapula

Question 2

What is the innveration of Trapezius?

Answer 2

The Spinal Accessory N

Question 3

What is the action of Lat Dorsi

Answer 3

Extends, adducts and medially rotates arm

Question 4

Innervation of Lat Dorsi?

Answer 4

Thoracodorsal N

Question 5

Action of Levator Scapulae?

Answer 5

Elevate and rotate Scapular

Question 6

Innervation of Levator Scapulae?

Answer 6

Dorsal Scapular N

Question 7

Action of Rhomboid Major and Min?

Answer 7

Rotates and retracts Scapula

Question 8

Innervation of Rhomb Maj and Min?

Answer 8

Dorsal Scapular N

Question 9

Action of Serratus Anterior?

Answer 9

Protracts and rotates scapula

Question 10

Innervation of Serratus Ant?

Answer 10

Long thoracic N

Question 11

Action of Pec Maj?

Answer 11

Adducts and medially rotates arm

Question 12

Action of Pec Min?

Answer 12

Stabilises Scapula

Question 13

Innervation of Pec Min?

Answer 13

Medial pectoral N

Question 14

Innervation of Pec Maj?

Answer 14

Lateral and medial pectoral NN

Question 15

What are the extrinsic muscles of the shoulder?

Answer 15

Trapezius
Levator Scapulae
Latissimus Dorsi
Rhomb. Maj and Min
Serratus Anterior
Pec Maj and Min

Question 16

What is the action of the extrinsic muscles of the shoulder

Answer 16

Movement of the scapula to allow >movement of shoulder

Question 17

Which muscles make up the rotator cuff?

Answer 17

Supraspinatus
Infraspinatus
Teres Minor
Scubscapularis

Question 18

What is the role of the rotator cuff muscles?

Answer 18

Stabilise and strengthen shoulder joint

Question 19

What is the only bony articulation between the U/L and the trunk?

Answer 19

The sternoclavicular joint

Question 20

Action of the Deltoid?

Answer 20

Abducts, flexes and extends arm

Question 21

Innervation of Deltoid?

Answer 21

Axillary N

Question 22

Action of Teres Maj?

Answer 22

Adducts and medially rotates arm

Question 23

Innervation of Teres Maj?

Answer 23

Lower subscapular N

Question 24

Action of Supraspinatus?

Answer 24

Initiates abduction of arm

Question 25

Innveration of Supraspin?

Answer 25

Suprascapular N

Question 26

Action of Infraspin?

Answer 26

Laterally Rotates Arm

Question 27

Innervation of Infraspin?

Answer 27

Suprascapular N

Question 28

Action of Teres min?

Answer 28

Laterally rotates arm

Question 29

Action of Subscapularis?

Answer 29

Adducts and medially rotates arm

Question 30

Innervation of Subscapularis

Answer 30

Upper and Lower Suprascapular Nn

Question 31

Which two muscles laterally rotate the arm?

Answer 31

Supraspin and Infraspin

Question 32

Which two intrinsic shoulder muscles are innverated by the Axillary N?

Answer 32

Deltoid and Teres Min

Question 33

Which two muscles adduct and medially rotate the arm?

Answer 33

Teres Major and Subscapularis

Question 34

What provides the main stability for the shoulder joint?

Answer 34

The rotator cuff muscles

Question 35

The tendon of which muscle is most often damaged in a rotator cuff tear?

Answer 35

Supraspinatus

Question 36

Which nerve is at risk by an anterior (most common) shoulder dislocation of the shoulder?

Answer 36

Axillary N

Question 37

What constitutes the shoulder girdle?

Answer 37

Clavicle, Scapula and proximal portion of the humerus