Hand/Fingers Flashcards
mallet finger injury
disruption of extensor tendon, avulsion of distal phalanx; direct impact to tip of finger
DIP can’t straigten
boutonniere deformity
injury to medial slip of extensor tendon; PIP joint entrapped in tendon; fixed flexion of PIP and extension of DIP
RA vs post traumatic
gamekeeper/skier’s thumb
avulsion fragment of base of proximal phalax; injury to ulnar collateral ligament at base of tumb
Stener lesion
complication of UCL; interposition of adductor aponeurosis
Bennet fracture
base of thumb; intra articular
Rolando fx
comminuted bennet fracture
Boxer fx
metacarpal neck fracture; usually 5th digit
volar plate fx
avulsion of volar aspect of proximal phalanx caused by hyperextension