Ideal

• Iliac Crests are level
• PSISs are level

You See

All Views

• Iliac Crest is higher (scapula possibly appears depressed)

Anterior View

• ASIS is higher

Posterior View

• Scoliosis same side concave
• PSIS is higher

Likely Cause

• Bigger hemipelvis
• Scoliosis
• Short spine lateral flexors (especially QL)
• Short hip abductors on other side
• Short hip adductors
• Longer leg (or shorter on other side)
• Leg is medially rotated on other side
• ZIG ZAG patterns