1. Check the pelvis radiograph
2. Normal spine radiograph/ not available
3. Normal Bone Density
4. Skeletal survey in a child

Thumbnail	Name
	Check for square iliac wing, narrowing of interpedicular distance at L5-S1, rhizomelic shortening of long bones, trident hand
	Check for narrow 'bell shaped' thorax, short ribs
	Check for bowing of femora (telephone handle), re-evaluate spine for platyspondyly