%% Begin Waypoint %% - [[L4 vertebra]] %% End Waypoint %% ### Description and Features: - 5 lumbar vertebrae - large [[vertebral body]] to accommodate a lot of weight - large [[vertebral foramen]] to accommodate the lumbar enlargement of the [[spinal cord]] ![[lumbar vertebra.png|400]] ### Function(s): - ### Muscular Attachments: ###### Origins: - [[psoas major muscle]] (from the transverse processes of the lumbar vertebrae) ###### Insertions: ### Clinical Significance: - 95% of [[spinal disc herniation|herniated disc]]s occur at L4-L5 or L5-S1 ### Notes: -