Abstract
Lumbar facet joints (LFJs) are diarthrodial joints which provide articulation between two adjacent lumbar vertebrae. LFJs represent complex anatomic structures with multifaceted biomechanical and functional characteristics. They are theorized as structures of crucial clinical significance since their degenerative morphologic alterations are frequently related to emergence of low back pain. Despite the emerging interest in describing LFJs anatomy in recent years, precise description of LFJs innervation remains controversial. In this comprehensive review, anatomy and biomechanical importance of LFJs and associated adjacent extra-articular structures are thoroughly presented. Furthermore, LFJs innervation in respect to current literature data is punctually analysed. Knowledge of anatomy and innervation LFJs of critical importance for clinicians and spine surgeons, so that patients are properly evaluated and related therapeutic procedures are rationally performed.
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