Lumbar Sacral Spine
Lumbar Sacral Spine - Related Videos
04:36
Surgical Induction of Lumbar Spine Instability in Mouse Model: A Surgical Procedure for the Resection of the Lumbar Spinous Processes and Connected Ligaments in Murine Model
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2025
In this video, we describe the surgical procedure to induce lumbar spine instability in a mouse model by resecting the Lumbar L3 to L5 spinous process along with supraspinous and interspinous ligaments.
03:02
Intrathecal Placement of Lumbar Drain: A Technique to Withdraw Cerebrospinal Fluid from the Lumbar Spine in Porcine Model
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2025
This video describes the technique of intrathecal placement of a lumbar drain in a porcine ischemic model, which helps in draining the cerebrospinal fluid to a drainage system. The cerebrospinal fluid pressure is monitored by the drainage system, and fluid is drained to maintain a constant cerebrospinal fluid pressure.
05:28
A Mouse Model of Lumbar Spine Instability
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Cited by 14 •
2021
We developed a lumbar intervertebral disc degeneration mouse model by resection of L3–L5 spinous processes along with supra- and inter-spinous ligaments and detachment of paraspinous muscles.
09:07
An Anesthesia, Surgery, and Harvest Method for the Evaluation of Transpedicular Screws Using an In Vivo Porcine Lumbar Spine Model
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2017
Here, we introduce a method to evaluate transpedicular screws by using an in vivo porcine lumbar spine model.
02:49
Harvesting DRG from Rat Spine: A Procedure to Extract Dorsal Root Ganglion from the Spine of a Rat Model
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2023
In this video, we demonstrate the extraction of dorsal root ganglion or DRG from a harvested rat spine for downstream applications.
FAQs
Its arrangement of lumbar vertebrae, the sacrum, interconnecting joints, discs, ligaments, and facet joints creates a structural pathway for body weight to move from the trunk toward the pelvis. This system also balances support with controlled movement, allowing the lower spine to contribute to flexion, extension, and rotation without losing its role in protecting neural structures.
These components contribute different parts of the region’s mechanical behavior. Intervertebral discs, ligaments, and facet joints work with the vertebrae to permit controlled spinal motion rather than unrestricted movement. Their combined arrangement helps the lumbosacral region support the trunk, transfer load, and maintain protection for neural structures serving the lower body.
Controlled flexion, extension, and rotation allow the lower spine to adjust to trunk movement while continuing to bear and transfer body weight. The balance between mobility and support is clinically important because disruption in this region may be associated with mechanical back pain, disc herniation, spinal stenosis, fractures, or nerve compression.
Problems in this region can affect mechanical support, movement, or the neural structures that serve the lower body. Mechanical back pain reflects a different clinical concern from disc herniation, spinal stenosis, fractures, or nerve compression, so clinicians use the patient’s findings together with examination and imaging to distinguish possible causes and guide management.
Clinical evaluation uses physical examination to identify findings that may indicate mechanical back pain, disc herniation, spinal stenosis, fractures, or nerve compression. The examination provides information about the region’s function and possible involvement of lower-body neural structures. These findings help determine whether imaging is needed and support decisions about treatment planning.
Physical examination and imaging provide complementary information during assessment. Examination helps identify clinically important patterns, while imaging contributes structural information about the lumbosacral region. Together, they support diagnosis, treatment planning, and monitoring of recovery, particularly when clinicians need to evaluate suspected disc, stenotic, fracture-related, or nerve-compression conditions.