dislocations Flashcards
what is the name for a tarsometatarsal dislocation, typically dorsal?
lisfranc dislocation
what is the name for a rare midtarsal dislocation where the foot is commonly displaced medially?
choparts dislocation
where do you most commonly find stress fractures of the feet?
2nd and 3rd metatarsals
what are the 3 possible dislocations of the talus?
talotibial
talocalcaneal
talonavicular
what is a transverse fracture at the base of the 5th metatarsal?
Jones/ dancer’s fracture
what are the 4 classifications of intracapsular hip fractures?
capital
subcapital
transcervical
basicervical
what are the 2 classifications of extra capsular hip fractures?
intertrochanteric
trochanteric
subtrochanteric
what are the 3 characteristics of Puttis triad
small femoral capital epiphysis
shallow acetabulum
increase distance
where are compression fractures of the femoral neck located?
on the inner side of the femoral neck
where are tension fractures located on the femoral neck?
outer side of the femoral neck
meniscal horizontal cleavage is usually indicative of?
degeneration
fraying of the free edge of the meniscus is known as?
parrot beak tear
a longitudinal vertical meniscal tear is called?
bucket handle tear
an oblique + incomplete meniscal tear=
flap tear
what are the routine radiographs of the hip?
AP and frog leg
what plain film findings might indicate an ACL tear?
avulsion of the tibial eminence and segond’s fx
avulsion fractures of the lateral aspect of the proximal tibia below the articular surface are called?
Segond’s fractures
if the humeral head sits anterior and inferior and slightly medial of the glenoid it is classified as what type of dislocation?
subglenoid anterior shoulder dislocation
if the humeral head sits anterior and slightly medial of the glenoid it is classified as what type of dislocation?
subcoracoid anterior shoulder dislocation
where is the most common sight of a proximal humeral fracture?
surgical neck
what is an area of decreased vascular supply in the supraspinatus tendon where most tears occur?
critical zone
what is an oblique fracture of the ulna with the radial head dislocated anteriorly known as?
Monteggia fracture
what is a fracture through the anteroinferior labrum involving the adjacent glenoid?
bankart lesion
what is the etiology of an FBI sign in the knee?
comminuted intra-articular tibial plateau fracture
what is the order of ossification centers of the elbow?
Capitellum Radial head Internal epicondyle Trochlea Olecranon External epicondyle