Ideal

• SPs are on plumb line

You See

• SPs are lateral to plumb line – scoliosis or spine is rotated

Cause

Spine is laterally flexed

• Scoliosis
• Spine is laterally flexed – short spine lateral flexors (especially quadratus lumborum) on concave side
• Bigger hemipelvis
• Longer leg
• Sitting with same side foot tucked under

Spine is rotated

• Short spine rotators