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Erstellt / Aktualisiert 23.01.2021 / 25.01.2021
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Fenster schliessen

Angle of neck to shaft

  • Avg adult= 125 degrees (+/-15) depending on width of pelvis and length of lower limb
  • Ex:Long-leg/narrow pelvis-changes angle of neck to 140 degrees
  • Ex: short/wider pelvis- angle 110 to 115 degrees
Tall/Narrow ⬆️ AngleShorter/Wider ⬇️ Angle
Fenster schliessen

Longitudinal plane of femur

  • 10 degree from verticle
  • Vertical angle is nearer 15 degrees on wide pelvis/Short Limb ➡️ 5 degrees on long leg person
*This angle affects the positioning and CR angle for lateral knee ( CR 5 to 7 degrees cephalad)
Fenster schliessen

Head and neck in relation to body of femur

  • 15 to 20 degrees anterior angle
  • Head projects anteriorly/ forward
  • In positioning femur must be rotated 15 to 20 degrees.This place for femoral neck parallel to the IR for true AP projection of the proximal femur
Fenster schliessen

What is the meaning of the word pelvis?

Fenster schliessen

The greater trochanter is located     And    To the femoral shaft 

  • Superiority
  • Laterally 
Fenster schliessen

Lesser trochanter projects      And    From the junction of the neck and shaft of femur

  • Medially 
  • Postetiorly
Fenster schliessen

The trochanter are joined posteriorly by a thick ridge called        

Intertrochanter crest