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16 Νοε 2023 · The lumbar spine is located in the lower half of the vertebral column, inferior to the thoracic vertebrae / rib cage and superior to the pelvis and sacrum. The lumbar vertebrae are five in number and desginated as vertebrae L1-L5.
The spine is made up of 33 bones. The individual bones of the spine are called vertebrae. The spine is divided into three sections: Cervical (upper) Thoracic (midback) Lumbar (lower back) Most spinal fractures occur in the thoracic and lumbar spine, or at the connection of the two (called the thoracolumbar junction).
1 Αυγ 2024 · the vertical axis runs from the center of C2 → anterior border of T7 → middle of the T12/L1 disc → posterior to the L3 vertebral body → crosses the posterior superior corner of the sacrum. on radiographs, this is estimated by a plumb line dropped from the center of C7 to the posterior-superior corner of S1.
10 Μαΐ 2022 · The vertebral column, also known as the spine, is composed of a series of bones called vertebrae, which are stacked one upon another and interconnected by cartilaginous intervertebral discs to form a column. It forms the skeleton of the neck and back and is divided into five regions based on structure and location of the vertebrae.
10 Σεπ 2024 · While the three-column concept was initially developed for classifying thoracolumbar spinal fractures, it can also be applied to the lower cervical spine 3 as the general vertebral anatomy is similar to the thoracic and lumbar vertebrae.
3 Ιουλ 2012 · The spine is a complex multi-articular system controlled by the muscles which supports the head and trunk during posture and movements and encloses and protects the spinal cord, nerve roots and, at cervical level, the vertebral arteries. The normal function of the spine presupposes its stability.
The L3-L4 spinal motion segment, positioned in the middle of the lumbar spine, plays an important role in supporting the weight of the torso and protecting the cauda equina (nerves that descend from the spinal cord). While the L3-L4 motion segment is less likely to be injured compared to its lower counterparts, it may be subject to degeneration ...
