Fig. 3From: Slight pelvic obliquity is normal in a healthy population: a cross-sectional study A A standard three-joint view, the blue line is the inter-teardrop line, B from a zoomed view. Significant LLD (> 1 cm), and significant varus/valgus lower limb mal-alignment (using MAD) are considered exclusion criteria that are measured in the 3-joint x-rayBack to article page