Cubital Fossa

Question 1

Borders cubital fossa

Answer 1

Superior: Line between lateral and medial epicondyles of humerus

Lateral: Brachioradialis

Medial: Pronator teres

Question 2

Floor and roof cubital fossa

Answer 2

Floor - brachialis and supinator muscle

Roof - Bicep brachii aponeurosis, skin and superficial fascia

Question 3

Contents cubital fossa (lateral to medial)

Answer 3

TAN
Tendon of Biceps Brachii
Brachial artery
Median nerve

(radial nerve sometimes considered)

Question 4

What runs superficially to cubital fossa usually involved in venepuncture?

Answer 4

Median cubital vein (usually used for blood tests etc)

Question 5

Why is cubital fossa important?

Answer 5

Blood pressure
Peripheral pulse
Superficial veins

Question 6

Vasculature upper limb arteries

Answer 6

Subclavian –> axillary (at lateral border 1st rib)
Axillary –> Brachial (inferior border teres major)
Gives off profunda brachii (radial groove)
Brachial –> radial and ulnar artery

Question 7

Radial side border vein (lateral)

Answer 7

Cephalic vein

faces ceiling when thumbs up

Question 8

Ulnar side border vein (medial)

Answer 8

Basilic vein

faces base when thumbs up

Question 9

Where do cephalic and basilic vein originate?

Answer 9

Dorsal venous network (drains into cephalic and basilic)

Question 10

Cephalic vein course

Answer 10

Lateral wrist
Anterolateral arm
Deltopectoral groove
Pierce DEEP fascia
Joins axillary vein (deep)

Question 11

Basilic vein course

Answer 11

Ulnar side
Half way up arm pierces deep fascia
Brachial vein
Axillary vein

Question 12

Communication between cephalic and basilic vein

Answer 12

Median cubital vein
(runs obliquely above cubital fossa)
Site of venepuncture