Wrist & Hand Flashcards
What is deQuervains Tenosynovitis?
Most common overuse injury at the wrist
-stenosing tenosynovitis of 1st dorsal compartment
What is the most common carpal fx?
Scaphoid
*Initial x-ray often does not show fx due to swelling
Contact sport athlete c radial wrist pain has what until proven otherwise?
Scaphoid fx
“Jersey Finger” is also called?
FDP avulsion
FDP avulsion “Jersey Finger” is most common in which finger?
4th digit
What is the MOI for FDP avulsion “Jersey finger”?
Forced finger extension against active flexion
Objective findings for FDP avulsion “Jersey Finger”?
Loss of AROM at DIP
- “make a fist” and fingertip cannot touch palm
- block PIP in extension and ask them to flex DIP
What is Kienbock’s disease?
Avascular necrosis of lunate
*thought to be from repetitive trauma
decreased grip strength and ROM
MRI is diagnostic
MOI of pisiform fx?
Direct blow, racquet sports
Common MOI of pisiform fx?
Direct blow, racquet sports
What is the most common wrist ligament injury?
Scapholunate injury
Most common MOI for scapholunate injury?
Excessive wrist ext and UD
- fall on pronated hand
- common in collision/contact sports
Which special test to use for scapholunate injury?
Watson’s (scaphoid shift) test
*not very good to rule in or out though, often not possible c acute injuries either
Which x-ray views would you recommend for scapholunate injury?
Standard XR and Stress views (clenched fist, supinated view in UD)
What is the common MOI for future of ECU subsheath?
Sudden flexion/UD stress
What special test would you use to dx deQuervains Tenosynovitis?
Finkelstein’s test
*always do bilaterally bc normally uncomfortable.
What is another name for texter’s/Gamer’s thumb?
Intersection syndrome.
What motion would you have pt perform to dx intersection syndrome?
Wrist ext and circumduct thumb.
How do you differentiate btw Intersection syndromee and deQuervains tenosynovitis?
Pain in intersection symptom is more proximal. About 5cm proximal to wrist joint line
Scaphoid fx’s most commonly occur at what part of the scaphoid? least commonly?
Waist 66%
Proximal pole 5%