Notes

Unknown Facts About Lumbar Spine Stenosis: A Common Cause of Back and Leg


<h1 style="clear:both" id="content-section-0">Lumbar Spine Surgery &amp; Anatomy Lone Tree - Bradley Duhon for Dummies<br></h1>
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<p class="p__0">The posterior longitudinal ligament (PLL) affords only weak midline reinforcement, especially at L4-5 and L5-S1, as it is a narrow structure connected to the annulus. The anterior and middle fibers of the annulus are most numerous anteriorly and laterally but deficient posteriorly, where most of the fibers are connected to the cartilage plate.</p>
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<img width="302" src="https://i0.wp.com/postureguides.com/wp-content/uploads/2020/09/Best-Lower-Back-Brace.png">
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<img class="featurable" style="max-height:300px;max-width:400px;" itemprop="image" src="https://i0.wp.com/healthcareextreme.com/wp-content/uploads/2020/12/Normal-Lumbar-MRI2-2.png" alt="Adult Scoliosis: Symptoms, Diagnosis, Treatment &amp; Outcome"><span style="display:none" itemprop="caption">Lumbar Vertebrae - Definition, Function &amp; Structure - Biology Dictionary</span>
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<p class="p__1">The anterior column (black dotted line) includes the anterior back ligament, the anterior annulus fibrosus (AF), the intervertebral disc, and the anterior 2 thirds of the vertebral bodies. The middle column (red dotted line) consists of the posterior element of the vertebral bodies, the posterior annulus fibrosus, and the posterior longitudinal ligament (PLL).</p>
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<p class="p__2">ALL = anterior longitudinal ligament; ISL = interspinous ligament; LF = ligamentum flavum; NP = nucleus pulposus; SSL = supraspinous ligament. The annular fibers are securely connected to the vertebral bodies and are set up in lamellae. This annular arrangement allows limiting vertebral motions, strengthened by investing ligaments. Back Vertebral Ligaments The ALL covers the ventral surfaces of lumbar vertebral bodies and discs.</p>
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<h1 style="clear:both" id="content-section-1">See This Report about The Lumbar Spine - Joints - Ligaments - TeachMeAnatomy<br></h1>
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<p class="p__3">The ALL keeps the stability of the joints and limits extension. The PLL lies within the vertebral canal over the posterior surface area of the vertebral bodies and discs. It works to limit flexion of the vertebral column, except at the lower L-spine, where it is narrow and weak. The supraspinous ligament joins the suggestions of the spinous processes of nearby vertebrae from L1-L3.</p>
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<div itemscope itemtype="http://schema.org/ImageObject">
<img class="featurable" style="max-height:300px;max-width:400px;" itemprop="image" src="https://cdn-bheop.nitrocdn.com/CIyTTFELXdOrgpAbzcLypxdCqfRmFRNN/assets/static/optimized/rev-1c4f020/wp-content/uploads/2020/12/AnatomyoftheSpine.jpg" alt="Lumbosacral spine x-ray Information - Mount Sinai - New York"><span style="display:none" itemprop="caption">lumbar spine Archives - Spine, Back and Neck Pain Information Blog - Spine Heatlh - Kraus Back and Neck InstituteSpine, Back and Neck Pain Information Blog - Spine Heatlh - Kraus Back and Neck Institute</span>
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<p class="p__4">Sometimes described together as the interspinous/supraspinous ligament complex, they weakly withstand spinal separation and flexion. The ligamentum flavum (LF) bridges the interlaminar interval, connecting to the interspinous ligament medially and the aspect pill laterally, forming the posterior wall of the vertebral canal. It has a broad accessory to the undersurface of the superior lamina and inserts onto the leading edge of the inferior lamina.</p>
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<p class="p__5">It maintains continuous disc tension. The intertransverse ligament signs up with the transverse processes of surrounding vertebrae and withstands lateral bending of the trunk. The iliolumbar ligament arises from the tip of the L5 transverse process and connects to the posterior part of the inner lip of the iliac crest. Full Article assists the lateral lumbosacral ligament and the ligaments pointed out above support the lumbosacral joint (see the following images).</p>
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