Hyoid bone
C2
Mastoid tip
C1
Thyroid cartilage
C5
Vertebral prominence
C7
Jugular notch
T2- T3
Sternal angle
T4 - T5
Inferior angle
T7
Xiphoid process
T10
Iliac crest
L4
Inferior costal margin
L3
Cervical
Convex
Thoracic
Concave
Lumbar
Convex
Sacrum and coccyx
Concave