biceps motor nerve
C5,6
deltoid motor nerve
C5
Wrist extensor motor nerve
C6
Wrist flexor motor nerve
C7
finger extensor motor nerve
C7
finger flexors motor nerve
c8
spock’s motor nerve (live long and prosper)
T1
Biceps reflex nerve
C5
Brachioradialis reflex nerve
C6
triceps reflex nerve
c7
cutaneous nerve for digits 4.5-5
Ulnar
cutaneous nerve for most of palm and digits 1-4.5
Median
cutaneous nerve for lateral 1/2 of dorsum and dorsal 1st digit
Radial
motor functions of radial nerve
Wrist and finger extension
motor functions of median nerve
thenar compartment, opposition, pincer grip
ulnar nerve motor functions
intrinsic muscles, power grip
Carpal tunnel syndrome is entrapment of
median nerve at the wrist
3 tests for carpal tunnel
Phalen test, Tenel test, 2 point discrimination in median nerve area (where’s that)
Phalen test
Think galen test, anti-prayer for 30 seconds or so, positive is pain/discomfort
Tinel test
tap tap tap it in on the carpal tunnel
Test for palsy of ulnar nerve
Froment’s sign, opposition and such
carpal tunnel treatment
splints at night, STOP IT, oral steroids, injected steroids, surgery, ergonomic modifications at work
take a netter quiz on hand and wrist
then mark this card a 1
which tendon flexes at PIP?
flexor digitorum superficialis
which tendon flexes at the DIP
flexor digitorum profundus
mallet finger vs jersey finger
mallet is a broken extensor, jersey is a broken flexor
gamekeeper’s thumb common MOI
Ski Pole, hyperabduction
gamekeepers thumb treatment
thumb spica X 6 weeks, if large avulsion, refer
Boutonniere deformity
flexed PIP, hyperextended DIP
I use my lumbrical muscles to
tell people to live long and prosper
felon infection
proximal nail fold
paronychia infection
lateral nail fold
dogbite pathogens
Strep, Staph, Pasteurella, Capnocytophaga
cat bite pathogens
Pasteurella and Actinomyces
Human bite pathogens
Strep, Staph, Eikenella
bite treatment
Irrigate! maybe don't close? maybe delayed closure? ABX Tdap (rabies?)
test for DeQuervains Tenosynovitis
Finklestein (entrap thumb, push ulnar-ly, pain is positive, but it always hurts. . . )
Most common fracture of hand
boxer
exam for FOOSH
snuffbox tenderness
Colles’ fracture AKA
dorsal angulation distal radius fx
Colles’ fracture MOI
FOOSH
Smith’s fracture AKA
Reverse Colles’, or Volar angulation distal radial fracture
Smith Fracture MOI
Gorilla mechanism
Froments sign
paper pull test with first and second digits, pt unable to maintain pinch with thumb straight, so flexes IP joint in thumb, using flexor pollicis longus (as opposed to adductor). Sign of ulnar nerve palsy