Extensor carpal section of the wrist

Question 1

What are the extensor tendon caompartments of the wrist?

Answer 1

Six tunnels which transmit the long extensor tendons from the forearm into the hand. They are located on the posterior aspect of the wrist.

Question 2

What is located in compartment one?

Answer 2

Extensor pollicus brevis and abductor pollicus longus. These tendons form the lateral border of the anatomical snuffbox.

Question 3

What is De Quervians syndrome?

Answer 3

Inflammation of the tendons in the first compartment. Typically associated with woman aged between 30 and 50 who have hobbies involving extensive wrist movements. Symptoms include pain near the base of the thumb and swelling or secondary thickening of the tendon sheath.

Question 4

How do you treat De Quervians?

Answer 4

Wear a splint/lifestyle changes, Failing this steroid injections or surgical decompression

Question 5

What is located in compartment two?

Answer 5

Tendon of the extensor carpi radilais longus and extensor carpi radialis brevis

Question 6

What is located in compartment three?

How are compartment two and three separated

Answer 6

Extensor pollicus longus tendon, This forms the medial border of the anatomical snuffbox.

Separated by Listers tubercle a bony prominence of the distal aspect of the radius

Question 7

What can be found in compartment four?

Answer 7

Extensor digitorum and extensor indcis

Question 8

What can be found in compartment five?

Answer 8

Extensor digiti minimi

Question 9

What can be found in compartment six?

Answer 9

Extensor carpi ulnaris