special spaces in the body

Question 1

Cubital fossa on the anterior forearm is made up of what borders?

Answer 1

Lateral border: Brachioradialis
medial border: pronator teres
superior border: epicondyle line
Floor : supinator and brachialis
roof: deep fascia reinforced by the bicipital aponeurosis

Question 2

What is in the cubital fossa?

Answer 2

Brachial artery
Median nerve
biceps tendon
median cubital vein
deep veins
med/lat cutaneous nerves

Question 3

What muscle is split by the ulnar nerve creating the cubital fossa?

Answer 3

Flexor carpi ulnaris passes between the two heads of the flexor carpi ulnaris (entrapment of a nerve)

Question 4

What muscles are involved in the quadrilateral / quadrangular spaces?

Answer 4

Teres Major/minor
Triceps long head

Question 5

What do those spaces hold, moving medial to lateral space?

Answer 5

Medial space-circumflex scap artery
Next space (superior arm pit)-Axillary nerve and posterior circumflex numeral artery
Most lateral space - radial nerve and deep/profundus brachii artery

Question 6

What creates the snuff box?

Answer 6

EPL tendon
EPB tendon
APL tendon
The floor would be moving proximal to distal scaphoid and trapezium