Pronation And Supination, Carpal Tunnel

Question 1

Pronation and supination is only possible in what part of the upper limb

Answer 1

Forearm and hand

Question 2

List the ligaments in elbow joint

Answer 2

Annular ligament of radius
Radial collateral ligament
Ulnar collateral ligament

Question 3

List the supinator and pronator muscles of the forearm, their action, origin and insertion

Answer 3

Pronator Quadratus
- Pronates forearm
-Anterior surface of distal ulna
-Distal surface of radius

Pronator teres
- Pronates forearm
-Medial epicondyle of the humerus and the coronoid process
-Lateral mid shaft of radius

Supinator
- Supinates forearm
-Lateral epicondyle of humerus
- Lateral aspect of radius

Biceps brachii
- Supinator and flexor of the arm
2 places
-Short head on coracoid
Long Head superior glenoid fossa
-Radius Radial Tuberosity

Question 4

Anterior interosseous nerve syndrome
—— nerve entrapment syndrome results in a pure motor neuropathy
Symptoms include failure to make an — sign with the thumb & index, weakened thumb & index finger —- grip, as well as decreased strength of ——-

Answer 4

Anterior interosseus nerve syndrome
Median nerve entrapment syndrome results in a pure motor neuropathy
Symptoms include failure to make an ok sign with the thumb & index, weakened thumb & index finger pincer grip, as well as decreased strength of pronation

Question 5

Galeazzi Fracture
Occurs following a ———
Fracture of the —— of the radius &dislocation of the distal ——- joint
pronation & supination are not possible due to pain & incongruity at the distal —— joint

Answer 5

Galeazzi Fracture
Occurs following a fall onto an outstretched hand
Fractured of the distal shaft of the radius &dislocated of the distal radioulnar joint
pronation & supination are not possible due to pain & incongruity at the distal radioulnar joint

Question 6

Boundaries of carpal tunnel medially, laterally,

Answer 6

Medially
Hamate and pisiform
Laterally
Scaphoid, trapezium, fibrooseous flexor carpi radialis

Question 7

What ligament bridges the tunnel

Answer 7

Transverse carpal ligament
Flexor retinaculum

Question 8

Ulnar nerve passes through what canal close to the carpal tunnel

Answer 8

Guyon canal

Question 9

List the contents of carpal tunnel

Answer 9

4 flexor digitorum superficialis tendon
4 flexor digitorum profundus tendon
1 flexor pollicis longus tendon
Median nerve

Question 10

Carpal tunnel syndrome entails

Answer 10

Compression of median nerve in carpal tunnel

Question 11

You feel numbness and pain in what part of the hand when you have carpal tunnel syndrome

Answer 11

The 1st 2nd 3rd and 1/2 of the 4th finger