Fracture Flashcards
what is a fracture
Any discontinuity in a bone
what are the four general categories of fractures
fracture by sidden impact
stress or fatigue
insufficiency fracture
pathologic fracture
what age range is most affected by traumatic fracture ?
5-14 yrs
what kind o fractures are most commonly found in a traumatic fracture?
transverse, oblique ,and spiral fx
stress or fatigue fx definition
partial or complete break caused by repeated stress
where does a stress fx most often occur
LE and tibial shaft and metatarsal bones
what kind of stress fx are women more likely to suffer from
pelvic and sacral
women are generally more prone to stress injuries because of what reason?
wide pelvis
coxa vara
genu valgum
definition for compressive fracture and distractive fracture
Occur due to forceful heel strike during prolonged marching or running
Occur bc of muscle pull and can become more serious if displacement occurs
why do insufficiency fx occurs/
if a normal stress is applied on an abnormal
ie. dec mineralization, deficeient elastic resiatnance
what are some risk for insufficiency fx
effects of radiation
postmenopausal osteoporosis
corticosteroids
pathologic fx occur when ?
rendered abnormally fragile by neoplastic or other disease conditions
true or false
insufficiency fx can be thought of as a subset of pathological fx
True
transverse fx
fx line is a t a right angle to the long axis of the bone; usually produced by shearing force
oblique or spiral
occur due to a twisting or torsional, usually does not completely separate bc of the wide surface area
butterfly
separation of a wedge-shaped piece of bone
Examples of incomplete fx
greenstick fx
torus or buckle fx
crack or hairline fx
displaced open fx are more likely to be ________
stable or unstable?
unstable
epiphyseal fx
occur in the growth centers of children and adolescents
occur more often in the long bones
what can occur if you have an epiphyseal fx ?
growth can be arrested or altered and immediate intervention is req
what is the most common osteoporosis-related fragility fx
vertebral compression fx
when is bone mass at its peak
30 yrs
what gender loses bone mass sooner and why
women, due to perimenonpause
when and why are men likely to experience bone loss?
60s, hypogonadism