![]() ![]() The lowest vertebrae (sacrum and coccyx) are fused together and don’t move. Beginning at the neck and moving down the spine, they are the cervical, thoracic, lumbar, sacrum and coccyx vertebrae. ![]() These bones are divided into four regions. Most vertebrae move to allow for a range of motion. There are 33 vertebrae, or bones, in the spine. The spinal canal is a tunnel that houses the spinal cord and nerves, protecting them from injury. These roots come out from small spaces between the bones (vertebrae) that surround the. If you experience new or worsening symptoms, be sure to notify your doctor. Vertebrae: The spine has 33 stacked vertebrae (small bones) that form the spinal canal. Branching off from the spinal cord are small nerves called nerve roots. Pain from this area, due to fusion to another vertebra, may worsen symptoms of a spinal cord injury. Moreover, injuries to this vertebrae are unlikely to cause complete immobility since the injury is so low. This ensures no one inaccurately counts to the wrong portion of your spine.Īn additional vertebra does not increase the odds of suffering a spinal cord injury since the additional vertebra is in essentially the same spot as L5. Will an Extra Vertebrae Affect Spinal Cord Injury Treatment?Ī sixth lumbar vertebra should not affect treatment for your spinal cord injury though you should ensure that every physician who treats you knows about the condition. Lastly, if your spinal cord injury is very low, it might affect your L6 vertebrae. And because there is an additional bone fitted into the space of five vertebrae, the presence of an L6 can decrease the flexibility of the spine. This portion of the spine is also vulnerable to bulging or herniated discs. Rarely, the L6 vertebra becomes fused to another vertebra, causing back pain. However, this additional bone can complicate spinal health in some situations.ĭoctors sometimes vary the direction they count when identifying spinal structures, and the presence of an additional bone can cause them to give the wrong number a doctor who doesn't know your condition might label your bottommost lumbar vertebra L5 when it is in fact L6. How an Extra Bone Affects Spine HealthĪn L6 vertebra is not, in and of itself, cause for concern, and most people go through their entire lives without even knowing they have the condition. In the overwhelming majority of people, this condition causes no symptoms. The vertebrae are numbered and divided into regions. If you have the condition, you've always had it. Vertebrae are the 33 individual bones that interlock with each other to form the spinal column. The extra bone is essentially just a harmless anomaly sometimes it's because one vertebra failed to fuse with another, but in other cases it's unclear why the bone appeared. The sixth lumbar vertebra is typically located just below the L5 vertebra, making it the lowest vertebra and positioning it next to your tailbone. While additional vertebrae don't typically affect your health, they can complicate treatment for spinal cord injuries. About 10% of the population has an extra bone in this region. Having a sixth lumbar vertebrae in your spine is uncommon, but far from extraordinary. However, like many biological “facts,” there are exceptions to every rule. If so, you know that there are five vertebrae in the lumbar region of the spinal cord, the portion of the spine that curves in your lower back. Maybe you've even become something of an expert. Duplication for commercial use must be authorized in writing by ADAM Health Solutions.If you're like most spinal cord injury survivors, your injury has necessitated a crash course in spinal anatomy. Links to other sites are provided for information only - they do not constitute endorsements of those other sites. A licensed physician should be consulted for diagnosis and treatment of any and all medical conditions. The information provided herein should not be used during any medical emergency or for the diagnosis or treatment of any medical condition. This site complies with the HONcode standard for trustworthy health information: verify here. Learn more about A.D.A.M.'s editorial policy editorial process and privacy policy. is among the first to achieve this important distinction for online health information and services. follows rigorous standards of quality and accountability. is accredited by URAC, for Health Content Provider (URAC's accreditation program is an independent audit to verify that A.D.A.M. Low-spined vertebrae are much like those in Seymouria, with furrows lateral to the neural spine even more clearly developed.
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