Plumb line/ landmarks for spinal levels

Structures that ideal plumb line should pass through

1) slightly posterior to coronal suture 2) through the external auditory meatus 3) through the axis of the odontoid process 4) midway through acromion process 5) through the bodies of the lumbar vertebrae 6) slightly posterior to the hip joint 7) slightly anterior to the axis of the knee joint 8) slightly anterior to the lateral malleolus 9) through the calcaneocuboid joint

Structure at level of L4 vertebrae

Crest of ilium

Structure at level of T10 vertebrae

Navel/umbilicus/belly button

Structure at level of S2

Posterior superior iliac spine

Structure at level of T3 vertebrae

Spine of scapula

Structure at level of T2 vertebrae

Superior angle of the scapula

Structure at level of T7 vertebrae

Inferior angle of the scapula