Hand

Question 1

What tendons are found in the first compartment?(2)

Answer 1

1. Abductor pollicis longus(APL)

2. Extensor pollicis brevis (EPB)

Question 2

Action of Abductor pollicis longus(APL)?

Answer 2

Moves thumb into radial abduction

Question 3

Action of Extensor pollicis brevis (EPB)?

Answer 3

Extends the MP joint of the thumb.

Question 4

What is De Quervain disease?

Answer 4

Is the thickening tendon sheath and the accumulation of mucopolysaccharides indicating mucus degenerate within the 1st dorsal compartment, APL and EPB.

Question 5

How is De Quervain disease clinically diagnosed?

Answer 5

1. Pain in first dorsal compartment
2. TTP tendons 1-2cm proximal to radial styloid.
3. Pos Finkelstine test
4. Pain with resisted thumb extension

Question 6

What is jersey finger and MOI?

Answer 6

1. Rupture to the flexor digitorum profundis (FDP)tendon
2. unable to actively flex IP joint
3. MOI forced flexion of IP joint, like grabbing a jersey.
4. injury requires surgical fixation

Question 7

What tendons are found in the second compartment?(2)

Answer 7

1. Extensor carpi radialis longus(ECRL)

2. Extensor carpi radialis brevis(ECRB)

Question 8

What tendons are found in the third compartment?

Answer 8

Extensor pollicis longus