Axilla and Arm

Question 1

What are the boudaries of the apex of the axilla?

Answer 1

• first rip
• clavicle
• superior edge of the scapula

Question 2

What forms the base of the axilla?

Answer 2

Armpit

Question 3

What forms the anterior axillary wall?

Answer 3

-Pectoralis major and minor

Question 4

What are the borders of the quadrangular space?

Answer 4

• Surgical neck of the humerus
• Teres major
• Teres minor
• Long head of the triceps

Question 5

What runs through the quadrangular space?

Answer 5

• Axillary Nerve

- Posterior humeral circumflex artery

Question 6

What are the borders of the triangular space?

Answer 6

• Long head of the triceps
• Teres major
• Teres minor

Question 7

What runs through the triangular space?

Answer 7

Circumflex scapular artery

Question 8

What are the borders of the triceps hiatus?

Answer 8

• Teres major
• Long head of the triceps
• shaft of the humerus

Question 9

What runs through the triceps hiatus?

Answer 9

• Profunda brachial artery

- Radial nerve

Question 10

What are the proximal attachments of the Biceps Brachii?

Answer 10

Long head: Supraglenoid tubercle

Short Head: Coracoid Process

Question 11

What are the distal attachments of the Biceps Brachii?

Answer 11

Both: Radial Tuberosity & bicipital aponeurosis

Question 12

What are the proximal and distal attachments of the Coracobrachialis?

Answer 12

Proximal: Coracoid process

Distal: Mid shaft of the humerus

Question 13

What movement does the coracobrachialis initiate?

Answer 13

flexing of the glenohumeral joint

Question 14

What innervates the coracobracialis muscle?

Answer 14

musculocutaneous nerve

Question 15

What are the proximal and distal attachments of the brachialis?

Answer 15

Proximal: Mid shaft of humerus

Distal: Ulnar tuberosity

Question 16

What movement does the brachialis initiate?

Answer 16

flexes elbow joint

Question 17

What innervates the brachialis?

Answer 17

musculocutaneous nerve

Question 18

What movements does the biceps brachii iniitate?

Answer 18

• Flex elbow
• flex shoulder
• strong supinator

Question 19

What innervates the serratus anterior?

Answer 19

Long thoracic nerve

Question 20

What are the proximal attachments of the triceps brachii?

Answer 20

Long Head: Infraglenoid tubercle

Lateral & Medial Heads: Posterior humerus

Question 21

What is the distal attachment of the triceps brachii?

Answer 21

Olecranon Process

Question 22

What innervates the Biceps Brachii?

Answer 22

Musculocutaneous nerve

Question 23

What innervates the Brachialis?

Answer 23

Musculocutaneous nerve

Question 24

What innervates the Coracobrachialis?

Answer 24

Musculocutaneous nerve

Question 25

What innervates the deltoid?

Answer 25

Axillary nerve

Question 26

What innervates the infraspinatus?

Answer 26

Suprascapular nerve

Question 27

What innervates the Latissimus dorsi?

Answer 27

Thoracodorsal nerve

Question 28

What innervates the levator scaupulae?

Answer 28

Dorsal scapular nerve

Question 29

What innervates the pectoralis major?

Answer 29

lateral and medial pectoral nerves

Question 30

What innervates the pectoralis minor?

Answer 30

Medial pectoral nerve

Question 31

What innervates the Rhomboid major?

Answer 31

Dorsal scapular nerve

Question 32

What innervates the rhomboid minor?

Answer 32

Dorsal scapular nerve

Question 33

What innervates the subscapularis?

Answer 33

Subscapular nerve

Question 34

What innervates the supraspinatus?

Answer 34

Suprascapular nerve

Question 35

What innervates the Teres major?

Answer 35

lower subscapular nerve

Question 36

What innervates the Teres minor?

Answer 36

axillary nerve

Question 37

What innervates the trapezius?

Answer 37

spinal accessory nerve

Question 38

What innervates the triceps brachii?

Answer 38

Radial nerve

Question 39

What artery supplies the Biceps brachii?

Answer 39

Brachial

Question 40

What artery supplies the brachialis?

Answer 40

brachial

Question 41

What artery supplies the coracobrachialis?

Answer 41

brachial

Question 42

What artery supplies the deltoid?

Answer 42

posterior circumflex humeral

Question 43

What artery supplies the Infraspinatus?

Answer 43

Suprascapular

Question 44

What artery supplies the Latissimus dorsi?

Answer 44

Thoracodorsal

Question 45

What artery supplies the levator scapulae?

Answer 45

dorsal scapular

Question 46

What artery supplies the pectoralis major?

Answer 46

Thoracoacromial

Question 47

What artery supplies the pectoralis minor?

Answer 47

Thoracoacromial

Question 48

What artery supplies the Rhomboid Major?

Answer 48

dorsal scapular

Question 49

What artery supplies the Rhomboid minor?

Answer 49

Dorsal scapular

Question 50

What artery supplies the Serratus anterior?

Answer 50

Lateral thoracic

Question 51

What artery supplies the Subscapularis?

Answer 51

Subscapular

Question 52

What artery supplies the Supraspinatus?

Answer 52

Suprascapular

Question 53

What artery supplies the Teres Major

Answer 53

Circumflex scapular & subscapular

Question 54

What artery supplies the Teres Minor?

Answer 54

Circumflex scapular & subscapular

Question 55

What artery supplies the trapezius?

Answer 55

Superficial branch of the transverse cervical

Question 56

What artery supplies the Triceps brachii?

Answer 56

Profunda brachii