DeQuervain's tenosynovitis

Question 1

what DeQuervain’s tenosynovitis

Answer 1

swelling and inflammation of the tendon sheaths in the wrist

-type of repetitive strain injury and results in pain on the radial side of the wrist

Question 2

which two tendons does it affect

Answer 2

• abductor pollicus longus

- extensor pollicus brevis

Question 3

function of the abductor pollicis longus

Answer 3

acts to abduct the thumb and abduct the wrist. The tendon inserts into the base of the first metacarpal bone (at the base of the thumb)

Question 4

what does the extensor pollicis brevis

Answer 4

acts to abduct the thumb and abduct the wrist. The tendon inserts into the base of the proximal phalanx of the thumb

Question 5

what is the extensor retinaculum

Answer 5

a fibrous band that wraps across the back (dorsal side) of the wrist. The APL and EPB pass underneath the extensor retinaculum. Repetitive movement of the APL and EPB under the extensor retinaculum result in inflammation and swelling of the tendon sheaths.

Question 6

presentation of DeQuervain’s

Answer 6

symptoms at the radial aspect of the wrist near the base of the thumb:

• pain often radiating from the forearm
• aching
• burning
• weakness
• numbness
• tenderness

Question 7

what is the special test for DeQuervains

Answer 7

finkelstein’s test

Question 8

what is management for DeQuervain’s

Answer 8

• rest and adapting activities
• using splints to restrict movements
• analgesia
• physiotherapy
• steroid injections