Nerves and spaces

Question 1

Boundaries of the Cubital fossa

Answer 1

Boundries: Brachioradialis m. and pronator teres m.

Floor: Brachialis m and supinator m

Roof: skin and fascia

Question 2

Contents of the Cubital fossa

Answer 2

Radial nerve- splits here to superficial and deep (enters supinator via supinator cannal)
Median N.
Musculocutaneous N.

Brachial artery - splits here into ulnar artery and radial artery

Median cubital vein
Medial brachial vein
Lateral brachial vein

Bicipital apenurosis
Bicept tendons

Question 3

Nerve contents of cubital fossa

Answer 3

Radial nerve- splits here to superficial and deep (enters supinator via supinator cannal)
Median N.
Musculocutaneous N.

Question 4

Artery contents of cubital fossa

Answer 4

Brachial artery - splits here into ulnar artery and radial artery

Question 5

Vein contents of cubital fossa

Answer 5

Median cubital vein
Medial brachial vein
Lateral brachial vein

Question 6

Nerve contents of cubital fossa

Answer 6

Radial nerve- splits here to superficial and deep (enters supinator via supinator canal)
Median N.
Musculocutaneous N.

Question 7

The muscle and one apenurosis that pass through the cubital fossa

Answer 7

Bicipital apenurosis
Bicept Brachii tendons

Question 8

What nerve does NOT go through the cubital fossa

Answer 8

Ulnar nerve

Question 9

What passes through the cubital tunnel?

Answer 9

The ulnar nerve

Question 10

Where is the cubital tunnel?

Answer 10

The flexor carpi ulnaris m.

Question 11

What is in a vena commitante

Answer 11

2 veins running with one artery

Question 12

What are the contents of the vena commitante passing through the cubital fossa? (hint two veins and one artery)

Answer 12

Lateral brachial vein
Brachial artery
Medial brachial vein

Question 13

What are the contents of the axillary sheeth or “fascical tube”?

Answer 13

Brachial plexus
Axillary artery
Axillary vein

Question 14

What are the axilla boundries?

Answer 14

Anterior: Pec major m.
Posterior: Latissimus dorsi m. and teres major m.
Covering: Axillary fascia and skin

Question 15

What are the axilla contents?

Answer 15

Fat
Lymph
Blood vessles
Nerves
Serratus anterior m.

Question 16

What does the suspensory ligament of the axilla do? (Gerdy’s ligament)

Answer 16

Connects the clavipectoral fascia to the axillary fascia.

Question 17

What four things pass through the clavipectoral fascia?

Answer 17

Lateral pectoral N
Thoracoacromial V.
Thoracoacromial A
Cephalic V

Question 18

Is the axillary sheath anterior or posterior to the clavipectoral sheath?

Answer 18

posterior

Question 19

Anatomical snuff box boundries and floor

Answer 19

Abductor pollicis longus M.
Extensor pollicus brevis m
Extensor pollicis longus m.
Floor: scaphoid bone

Question 20

Contents of Anatomical snuff box

Answer 20

Radial A
Cephalic V.
Superficial radial N.

Question 21

Three muscles that attach to the coracoid process of the scapula bone

Answer 21

Short head of the bicepts brachii m
Coracobrachialis m.
Pectoralis minor m.

Question 22

What structures pass through the Clavipectoral fascia?

Answer 22

Cephalic vein
Thoracoacromial artery (& vein)
Lateral pectoral nerve

Question 23

What is in the axillary sheath?

Answer 23

Brachial plexus
Axillary Artery
Axillary Vein

Question 24

What is the axillary sheath derived from ? and what is its nickname?

Answer 24

scalene and pre-vertebral fascia
Nickname: “Fascial Tube”