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In anatomy, Luschka's joints (also called uncovertebral joints, neurocentral joints) [1] are formed between uncinate process or "uncus" below and uncovertebral articulation above. [2] They are located in the cervical region of the vertebral column from C3 to C7. [ 3 ]
X-ray showing osteophytes of spondylosis of the lumbar spine. A range of bone-formation processes are associated with aging, degeneration, mechanical instability, and disease (such as diffuse idiopathic skeletal hyperostosis).
Diffuse idiopathic skeletal hyperostosis (DISH) is a condition characterized by abnormal calcification/bone formation (hyperostosis) of the soft tissues surrounding the joints of the spine, and also of the peripheral or appendicular skeleton. [1]
The biomechanical function of each pair of facet joints is to guide and limit movement of the spinal motion segment. [1] [2] In the lumbar spine, for example, the facet joints function to protect the motion segment from anterior shear forces, excessive rotation and flexion.
Hyperostosis is an excessive growth of bone.It may lead to exostosis.It occurs in many musculoskeletal disorders.. Disorders featuring hyperostosis include: [1] Camurati-Engelmann disease, type 2
Facet joint arthrosis is an intervertebral disc disorder.The facet joints or zygapophyseal joints are synovial cartilage covered joints that limit the movement of the spine and preserve segmental stability.
Hypertrophy is the increase in the volume of an organ or tissue due to the enlargement of its component cells. [1] It is distinguished from hyperplasia , in which the cells remain approximately the same size but increase in number. [ 2 ]
The facet joints are formed by the superior and inferior processes of each vertebra. The first cervical vertebra has an inferior articulating surface but, as it does not restrict lateral or posterior translation, is not always considered a proper zygoma [9] (zygoma is Greek for "yoke", i.e. something that restrains movement).