Wrist and Hand Flashcards
What muscles contribute to the anatomical snuff box?
Extensor pollicis longus
Abductor pollicis longus
Extensor pollicis brevis
What is the normal ROM of the wrist for flexion, extension, adduction, and abduction?
Flexion = 80-90˚ Extension = 70˚ Adduction = 30-40˚ Abduction = 20-30˚
Adduction and abduction are also called what?
Adduction = ulnar deviation Abduction = radial deviation
What is flexion and extension of the wrist coupled with?
Flexion = dorsal carpal glide Extension = ventral carpal glide
When performing the OK sign test, which specific nerve is being tested and what is the dx that would accompany it?
Anterior interosseous branch of median nerve
Median nerve entrapment
What is the median nerve entrapment test testing for and how is it performed?
Carpal tunnel syndrome
Tap over transverse carpal ligament b/w thenar/hypothenar eminences
What is phalen’s sign testing for and how is it performed?
Carpal tunnel syndrome
Pt. flexes wrists and presses backs of hands together for 30-60 seconds
What is allen’s test testing for and how is it performed?
Functionality of radial/ulnar arteries
Dr. occludes arteries then release one and observe color return to hand
Normal = 5-10 seconds
What is finkelstein’s test testing for and how is it performed?
De Quervain’s disease
Pt. closes fingers around thumb and ulnar deviates
What is De Quervain’s disease and which muscles does it affect?
Tensosynovitis of the thumb
Affects abductor pollicis longus and extensor pollicis brevis mucles
Where does a Colles fracture occur and why?
Distal radial fracture
Due to FOOSH
A triangular fibrocartilage complex tear (TFCC) is a tear of which ligaments?
Radioulnar and ulnocarpal ligaments
Gamekeepers/skiers thumb causes injury to which ligament?
UCL
Where would an ulnar nerve entrapment take place?
Guyon’s canal (b/w hook of hamate and pisiform)
Mallet finger is and issue with which part of the finger
DIP
Flexor tendon restriction is known as what dx?
Trigger finger
Jersey finger causes what 2 injuries to the hand?
Forced extension of DIP
Flexor tendon rupture (FDP m.)