L3L4 transverse process fracture is a transverse process fracture of lumbar vertebra 3 and lumbar vertebra 3, that is, fracture of bone branch.

L2 Hume's tubercle is the rupture of the upper or lower endplate of the second lumbar vertebra, and the lumbar intervertebral disc protrudes into the vertebral body.

S 1 lumbarization is a form in which the original sacrum with a length of 1 becomes a lumbar vertebra.