wrist and hand

Question 1

which tendon goes around lister tubercle?

Answer 1

EPL

Question 2

which intercarpal ligament is one of the most often injured ligaments in the wrist/hand?

Answer 2

scapholunate interosseous ligament

Question 3

how should the MP and PIP joints be immobilized after surgeries?

Answer 3

MP: in as much flexion as possible (70-90 deg)
PIP: near full extension

Question 4

what is the purpose of the oblique retinacular ligament?

Answer 4

it passively extends the DIP joint as the PIP joint actively extends

Question 5

list the contents of each of the 6 compartments of extrinsic extensor muscles of the wrist/hand

Answer 5

1. APL, EPB 2. ECRL, ECRB 3. EPL 4. ED, EI 5. EDM 6. ECU

Question 6

Is the FDP or FDS stronger?

Answer 6

FDP

Question 7

Which pulley is involved in trigger finger?

Answer 7

A1

Question 8

which 2 pulleys are critical to prevent bow stringing?

Answer 8

A2 and A4

Question 9

Injuries in Zone I involved what? Zone II? Zone III?

Answer 9

Zone I: isolated FDP injury (tips of fingers)
Zone 2: usually involved both FDP and FDS
Zone 3: FDP/FDS, possibly damage to digital nerves, vascular structures or lumbricals

Question 10

Injuries in Zone IV? Zone V?

Answer 10

Zone 4: may involved the median nerve (splint wrist in neutral if necessary…NOT flexion)
Zone 5: good prognosis for repair because flexor injuries have not yet divided; may involve injury to neurovascular structures, though

Question 11

What is the main diff between Kleniert protocol and Houser protocl?

Answer 11

Kleinert: rubber band traction
Houser: Dorsal block splint

Question 12

what is the key to good function following flexor tendon repair?

Answer 12

early, protected flexor ROM

Question 13

there are many more zones for extensor injuries…

Answer 13

…yeah, tell me about it