Lecture9: Shoulder Region 2

Question 1

What are scapular muscles attached to bar the subscapularis?

Answer 1

The back of the scapula

Question 2

What is the subscapularis attached to?

Answer 2

The front of the scapula

Question 3

Which border are both teres muscles attached to?

Answer 3

Lateral border

Question 4

Where are the supra, infrascapularis and teres minor inserted?

Answer 4

In the greater tuberosity of the humerus

Question 5

Where is the subscapularis inserted?

Answer 5

Lesser tuberosity

Question 6

Where is the teres major inserted?

Answer 6

In the Bicipital groove of the humerus

Question 7

What nerve supplies both Supra and infraspinatus?

Answer 7

The suprascapular nerve

Question 8

What supplies teres minor?

Answer 8

Axillary nerve

Question 9

What supplies teres major?

Answer 9

Lower subscapular nerve

Question 10

What supplies the subscapularis?

Answer 10

Upper, lower subscapular nerve

Question 11

Which muscle initiates abduction?

Answer 11

Supraspinatus

Question 12

Which 2 muscles are for lateral rotation of the arm?

Answer 12

Both teres muscles

Question 13

Which muscle is for medial rotation, adduction and extension of arm?

Answer 13

The subscapularis

Question 14

What is the attachment of the serratus anterior muscle?

Answer 14

From the upper ribs to the front of the medial border of the scapula

Question 15

What is the Serratus Anterior nerve supply?

Answer 15

The Long Thoracic Nerve

Question 16

What is the Serratus Anterior action?

Answer 16

Raising arms above head

Question 17

Which nerve is liable for injury during mastectomy?

Answer 17

Long Thoracic Nerve

Question 18

What does Long Thoracic Nerve injury lead to?

Answer 18

Winging of the scapula

Question 19

What rotates the shoulder above 90 degrees?

Answer 19

Both deltoid and Serratus anterior

Question 20

Which fibres of the deltoid complete the 90 degree rotation?

Answer 20

Middle fibres

Question 21

What is the Quadrangular space bordered by?

Answer 21

Both teres, long head of the triceps and neck of humerus

Question 22

What does the Quadrangular space contain?

Answer 22

Axillary nerve and posterior circumflex humeral artery

Question 23

What bounds the medial triangular space?

Answer 23

Both teres and long head of triceps

Question 24

What does the Medial Triangular space contain?

Answer 24

The Circumflex Scapular vessels

Question 25

What bounds the lateral triangular space?

Answer 25

Teres major, long head of biceps and humerus

Question 26

What does the Lateral Triangular space contain?

Answer 26

The radial nerve and profunda brachii artery

Question 27

What is on the Articular surface of the shoulder joint?

Answer 27

Head of humerus

Question 28

What is the shoulder joint medially attached to?

Answer 28

Glenoid cavity

Question 29

What is the shoulder joint laterally attached to?

Answer 29

Neck of humerus

Question 30

Which structure does the synovial membrane not line?

Answer 30

Articular cartilage

Question 31

What is the most common site for shoulder dislocation?

Answer 31

Inferior aspect of the capsule