Pelvis
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AP Bilateral Frog-Leg

IMAGE RECEPTOR
Patient position
Supine, legs internally rotated 15–20°.
Part position
MSP centered, ASIS equidistant from table.
Central ray
Midway between ASIS and symphysis pubis.
IR placement
35x43 cm crosswise.

Tech pearls

  • Use sandbags to maintain internal rotation.
  • Suspected hip fx? Internal rotation contraindicated on that side.
AP PelvisSeries overview