Pectoral girdle and shoulder

Question 1

What is the pectoral girdle?

Answer 1

The scapula and the clavicle

Question 2

What is the shoulder joint an articulation between?

Answer 2

The scapula and the humerus

Question 3

What is the range of movement that can be done at the shoulder?

Answer 3

Flexion
Extension
Abduction
Adduction 
Medial and lateral rotation 
Circumduction

Question 4

What muscle helps to elevate the scapula?

Answer 4

Levator scapulae

Question 5

What is levator scapulae innervated by?

Answer 5

The dorsal scapular nerve

Question 6

What muscle helps to ‘square the shoulders’?

Answer 6

Rhomboid major and minor

Question 7

What are the rotator cuff muscles?

Answer 7

Supraspinatous
Infraspinatous
Subscapularis
Teres minor

Question 8

What rotator cuff muscle is innervated by the axillary nerve?

Answer 8

Teres minor

Question 9

What muscles are lateral rotators of the shoulder?

Answer 9

Infraspinatous and Teres minor

Question 10

What muscle rotates the shoulder medially?

Answer 10

Subscapularis

Question 11

What muscle is innervated by the thoracodorsal nerve?

Answer 11

Latissimus dorsi

Question 12

Apart from abducting the shoulder, what other action do the deltoids do?

Answer 12

Flex and extend the shoulder

Question 13

CNXI innervates what muscle?

Answer 13

Trapezius

Question 14

What protracts the scapula and is particularly prominent in boxers?

Answer 14

Serratus anterior

Question 15

Winging of the scapula is caused by damage to what nerve?

Answer 15

Long thoracic nerve

Question 16

What muscle is commonly torn in rotator cuff injuries?

Answer 16

Supraspinatous

Question 17

Glenoid labrum, ligaments, biceps tendon and the rotator cuff muscles all help to

Answer 17

stabilise the shoulder joint

Question 18

Where is the shoulder joint weakest?

Answer 18

Inferiorly

Question 19

The coracoacromial arch does what

Answer 19

prevents superior displacement of the humerus

Question 20

what lies above the tendon of the long head of biceps brachii?

Answer 20

the transverse humeral ligament

Question 21

Anterior dislocation can cause damage to what nerve?

Answer 21

Axillary

Question 22

Excessive extension and lateral rotation of the humerus can cause

Answer 22

anterior dislocation

Question 23

Surgical neck fractures can cause damage to what nerve?

Answer 23

Axillary

Question 24

Testing sensation over the C5 dermatome would be done because of suspected damage to what nerve?

Answer 24

Axillary

Question 25

People who play tennis can be vulnerable to what condition?

Answer 25

Quadrilateral space syndrome

Question 26

What goes through the quadrilateral space?

Answer 26

The posterior humerus circumflex artery and the axillary nerve

Question 27

Passive joint abduction can only be done by the patient in what condition?

Answer 27

suprascapular nerve injury

Question 28

What forms the medial boundary of the quadrangular space?

Answer 28

long head of triceps brachii

Question 29

What forms the lateral boundary of the quadrangular space?

Answer 29

surgical neck of the humerus

Question 30

What forms the superior boundary of the quadrangular space?

Answer 30

Teres minor

Question 31

What forms the inferior boundary of the quadrangular space?

Answer 31

Teres major