Notes

Spine Structure & Function: Parts & Segments, Spine Problems for Beginners


<h1 style="clear:both" id="content-section-0">The Buzz on Lumbar spine CT scan - UCSF Health<br></h1>
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<p class="p__0">The posterior longitudinal ligament (PLL) manages just 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 many anteriorly and laterally however deficient posteriorly, where many of the fibers are connected to the cartilage plate.</p>
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<img class="featurable" style="max-height:300px;max-width:400px;" itemprop="image" src="https://els-jbs-prod-cdn.jbs.elsevierhealth.com/cms/attachment/553de0b9-4975-4815-a0f7-f1f2e11f7d4d/gr1_lrg.jpg" alt="Lumbar Spine Injury: Understanding L1, L2, L3, L4, L5 Injuries"><span style="display:none" itemprop="caption">Lumbosacral spine x-ray Information - Mount Sinai - New York</span>
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<p class="p__1">The anterior column (black dotted line) consists of the anterior spine 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 aspect 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 firmly connected to the vertebral bodies and are organized in lamellae. This annular arrangement allows limiting vertebral movements, reinforced by investing ligaments. Back Vertebral Ligaments The ALL covers the ventral surface areas of back vertebral bodies and discs.</p>
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<h1 style="clear:both" id="content-section-1">Some Ideas on Lumbar Anatomy - Physiopedia You Need To Know<br></h1>
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<p class="p__3">The ALL maintains the stability of the joints and limitations extension. The PLL lies within the vertebral canal over the posterior surface of the vertebral bodies and discs. It functions to restrict flexion of the vertebral column, other than at the lower L-spine, where it is narrow and weak. The supraspinous ligament joins the tips of the spinous procedures of surrounding vertebrae from L1-L3.</p>
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<img width="474" src="https://cdn.shortpixel.ai/client/q_lossless,ret_img,w_600,h_1038/https://www.coachsofiafitness.com/wp-content/uploads/2020/04/Gentle-yoga-stretching-for-hip-and-lower-back-pain.png">
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<img class="featurable" style="max-height:300px;max-width:400px;" itemprop="image" src="http://www.spinesurgerylondon.com/siteassets/211/images/Anatomy%20lumbar%20spine%201.jpg" alt="5 Treatment Options For Lumbar Spine Pain: David Chang, MD-PhD, DABNS: Complex Spine Neurosurgeon"><span style="display:none" itemprop="caption">Human Lumbar Spine Model with Herniated Disc Stock Illustration - Illustration of backbone, sacrum: 159286350</span>
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<p class="p__4">In some cases described together as the interspinous/supraspinous ligament complex, they weakly resist back separation and flexion. The ligamentum flavum (LF) bridges the interlaminar period, attaching to the interspinous ligament medially and the element capsule laterally, forming the posterior wall of the vertebral canal. I Found This Interesting has a broad attachment to the undersurface of the remarkable lamina and inserts onto the leading edge of the inferior lamina.</p>
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<p class="p__5">It keeps consistent disc stress. The intertransverse ligament signs up with the transverse processes of adjacent vertebrae and withstands lateral flexing of the trunk. The iliolumbar ligament emerges from the idea of the L5 transverse procedure and links to the posterior part of the inner lip of the iliac crest. It helps the lateral lumbosacral ligament and the ligaments mentioned above support the lumbosacral joint (see the following images).</p>
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