![]() ![]() Lower back pain is the most common one.Grade V: Here the vertebra has completely fallen off (spondyloptosis). Grade IV: 100% of the vertebra has slipped forward. Grade III: 75% of the vertebra has slipped forward. Grade II: 50% of the vertebra has slipped forward. Grade I: 25% of the vertebra has slipped forward. There are 5 grades, with grade 1 being the least advanced to grade 5 being the most advanced. It is known as the Mayerding classification, which is based on how much of a vertebral body slips forward over the body beneath it. According to the severity of slippage, Spondylolisthesis is graded. Pain worsens with activities such as prolonged sitting, standing and repetitive lifting, bending or a jerk. Typically, one feels a dull ache or sharp pain in the lower back if the surrounding nerve gets compressed due to this slippage. However, it often manifests itself as pain in lower back or buttocks and is revealed only on x-rays and CT scans. It may happen that one may not feel any pain or numbness until years even after the slippage of the vertebra. Signs & Symptoms of Spondylolisthesis L5-S1 L5-S1 spondylolisthesis can cause back pain as well as numbness, weakness in both the legs. Type VI – It is an outcome of a surgery which leads to slipping of a vertebra forward. Type IV – It is called as Traumatic spondylolisthesis, caused due to acute fracture of the posterior elements Type V – It is Pathologic spondylolisthesis caused by spinal tumours or other pathological conditions. This type of spondylolisthesis usually occurs at L4-L5 region of the spine. Type III – It is Degenerative spondylolisthesis, commonly caused by ageing and disc degeneration. Type II – It is also known as Isthmic spondylolisthesis, generally occurs as a result of abnormal wear on the vertebrae from repetitive stress. Type I – It is also called as Dysplastic (or Congenital) spondylolisthesis, often caused by birth defects. Spondylolisthesis – Types & Grades Spondylolisthesis is classified into six types. Hence, it is vulnerable to traumatic injuries, degeneration, disc herniation and nerve compression. L5-S1 receives a higher degree of mechanical stress compared to the above portion and also helps in transferring loads from the spine into the pelvis and legs. L5 and S1 are merged by the lumbosacral facet joints along with articular cartilage. L5-S1 is the point of transition between the lumbar spine and sacral spine in the lower back. ![]() Overview of L5-S1 Have you heard of L5-S1 and wondering what is it about? L5-S1 is the lumbosacral junction. In simple words, when the defect weakens the bones to an extent that it cannot maintain its alignment in the spine and starts shifting or slipping out of place. Whereas in spondylolisthesis, the defective pars interarticularis can be only on one side or on both sides. ![]() In simple words, spondylolysis means an underdeveloped or a crack or fracture in one of the vertebrae. a small section of bone joining the facet joints in the back of the spine. Difference between Spondylolysis & Spondylolisthesis Spondylolysis refers to a condition where there is a defect in a portion of the spine called pars interarticularis, i.e. when spondylolysis is left untreated or in case of trauma. It is commonly preceded by spondylolysis, i.e. About 5-6% of males and 2-3% of females suffer from spondylolisthesis. Spondylolisthesis involves the forward slip of superior vertebra over the inferior other relatively, that may cause pain. The word ‘spondylo’ means spine and ‘listhesis’ means slippage. Spondylolisthesis L5-S1: Symptoms, Causes & Treatment QI Spine Clinic, 3 years ago What do you mean by Spondylolisthesis L5-S1? Spondylolisthesis refers to the condition where one lumbar vertebrae slips over the other. ![]()
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