8.22 Hip fx Flashcards
Where does the cane go? Why?
- unaffected side
- to offload the affected side
For every pound of force you put through the cane, you offload ___ pounds
7
Where should someone carry weight with a LE injury?
on the affected side
Why should weight be carried on the affected side with a LE injury?
If it’s placed on the unaffected side, the lever arm is larger and you get more joint approximation
= more pain
What’s the big ligament IN the hip joint?
ligamentum teres
What is the ligamentum teres supplied by?
ligamentum teres artery (aka. obturator artery)
What does the medial circumflex artery supply during growth?
epiphyseal plate
Where do AVNs occur?
in areas with less blood supply
Which group has a higher risk of AVN?
- OA
- competitive swimmers
Why will someone with OA be more likely to have an AVN?
increased trauma causes faster progression
In addition to trauma, what else causes blood supply to decrease?
age
What are the 3 femoral fx types we learned about in class?
- subtrochanteric
- intertrochanteric
- subcapital
Which of the fx types are extracapsular?
subtrochanteric
Where is a subtrochanteric fx located?
2.5 inches below the trochanter
Where is the intertrochanteric fx located?
between the neck and femur
