Borders To Spaces

Question 1

Ulnar (medial) border to anatomical snuffbox

Answer 1

Tendon of extensor pollicis longus

Question 2

Radial (lateral) border to anatomical snuffbox

Answer 2

Tendons of abductor pollicis longus and extensor pollicis brevis

Question 3

Proximal border of anatomical snuffbox

Answer 3

Styloid process of the radius

Question 4

Floor of anatomical snuffbox

Answer 4

Carpal bones; scaphoid and trapezium

Question 5

Path of radial artery in anatomical snuffbox

Answer 5

Crosses the floor, turns medially to travel between heads of adductor pollicis muscles

Question 6

Which nerve in anatomical snuffbox

Answer 6

Superficial branch of radial nerve

Question 7

Which vein originates in snuffbox, from where

Answer 7

Cephalic vein arises from lateral side of dorsal venous network of hand

Question 8

Three spaces of the shoulder

Answer 8

Quadrangular space, triangular space, triangular interval

Question 9

Medial border of quadrangular space

Answer 9

Long head of the triceps

Question 10

Lateral border of quadrangular space

Answer 10

Humeral shaft

Question 11

Superior border of quadrangular space

Answer 11

Teres minor

Question 12

Inferior border of quadrangular space

Answer 12

Teres major

Question 13

Contents of quadrangular space

Answer 13

Axillary nerve, posterior humeral circumflex artery