angel & measurements Flashcards
1
Q
what is the average growth of bones in one year
A
proximal femur 3 mm
proximal tibia 6 mm
distal femur 9 mm
2
Q
standard acetabular index in newborn
A
<25
3
Q
What are the proper angels of Pavlik harns
A
90-100 of flexion
20-40 abduction
4
Q
femoral anteversion
A
increased internal rotation of >70° (normal is 20-60°)
decreased external rotation of < 20° (normal 30-60°)
5
Q
מה הערכים התקינים
Tibial torsion
A
normal value in infants- mean 5° internal (range, −30° to +20°)
normal value at age 8 years- mean 10° external (range, −5° to +30°)
6
Q
What are the normal valius of
normal lateral distal femoral angle
normal medial proximal tibia angle
A
(LDFA) = 85-90 degrees
(MPTA) = 85-90 degrees