Upper Limb

Question 1

Mid shaft fracture of the humerus

Answer 1

Radial Nerve Injury

Profundus brachial artery injury

Question 2

Fracture of the surgical neck of the humerus

Answer 2

possible damage to axillary artery &/or posterior circumflex humeral artery

Question 3

Fracture of the medial epicondyle

Answer 3

Possible ulnar nerve damage

Question 4

Suprecondalar fracture

Answer 4

Possible damage to the median nerve and brachial artery

Question 5

Quadrangular space

Answer 5

Boundaries: 
Teres minor supierior
Teres Major inferior
Long head of triceps brachii Medial
surgical neck of the humerus Lateral 

Contents: Axillary nerve, posterior circumflex humeral artery.

Question 6

Triangular space

Answer 6

Boundaries:
Teres Major Inferior
long head of triceps laterally
Teres Minor superior

Contents:
Scapular circumflex artery and vein

Question 7

Triangular interval

Answer 7

division in the long and short heads of the triceps

Contents: Radial nerve and deep brachial artery

Question 8

Shoulder separation

Answer 8

Rupture of the acromioclavicular ligament &/or the coricoclavicular ligament

Question 9

Shoulder dislocation

Answer 9

displacement of the head of the humerus from the glenoid cavity of the scapula.

Anterior/inferior most common

can result in damage to the axillary nerve, suprascapular nerve &/or suprascapular artery

Question 10

Branches of the median nerve

Answer 10

Anterior interosseous innervates the forearm

Recurrent branch of the median innervates the thenar region

Question 11

Branches of the ulnar nerve

Answer 11

Deep branch of the ulnar supplies the digiti minimi muscles

Question 12

Branches of the radial nerve

Answer 12

Deep branch of the Radial innervates the extensor carpi radialis brevis and supinator

Posterior interosseous branch innervates the extensors pollicus, digitorum, minimi, and indicis

Question 13

Colles fracture

Answer 13

fracture of the distal radius with doral displacement of the wrist

Question 14

Bennett’s fracture

Answer 14

a fracture of the base of the first metacarpal bone which extends into the carpometacarpal (CMC) joint.

Most common in the thumb

Question 15

Smith’s Fracture

Answer 15

Reverse Colles’ fracture

Question 16

Boxer’s fracture

Answer 16

fracture of the 4th and/or 5th transverse neck of the metacarpal bone secondary to an indirect force

Question 17

Trochoid Joint

Answer 17

Pivot joint Ex: radius and ulna

Question 18

Ginglymus Joint

Answer 18

hinge like joint Ex: elbow and knee

Question 19

Divisions and branches of the Axillary artery

Answer 19

First division:
Supirior thoracic artery

Second Division: 
Thoracoacromial artery ( Pectoral, Acromial, Clavicular, Deltoid branches)

Lateral thoracic artery

Third Division: 
Subscapular artery (Circumflex scapular, Thoracodorsal branches), 

Posterior circumflex humeral artery,

Anterior circumflex humeral artery

Question 20

Shoulder Collateral Circuits

Answer 20

Circumflex scapular artery (from subscapular artery) with Dorsal Scapular artery (from Subclavian) as well as Suprascapular artery (from thyrocirvical trunk of subclavian artery)

Question 21

Rotator Cuff Muscles

Answer 21

Supraspinatus - abduction
Infraspinatus - Lateral rotation
Teres Minor - Lateral rotation
Subscapularis - Medial rotation

Question 22

Cubital Fossa

Answer 22

Contents:
Lateral antebrachial cutaneous nerve (from musculocutaneous nerve)

Tendon of the biceps

Brachial Artery

Median Nerve

Question 23

Branches of the Brachial Artery

Answer 23

Deep Brachial (Radial and middle collateral branches)

Supirior and Inferior Ulnar Collateral arteries

Post cubital fossa it bifurcates into: 
Radial artery (radial recurrent, posterior interosseus branches) 

Ulnar artery (anterior and posterior ulnar recurrent and common interosseus branches)

Question 24

Nursemaids Elbow

Answer 24

subluxation of the radial head