Looking to improve your back health? Healthy facet joints have cartilage, which allows vertebrae to move smoothly against each other without grinding. The information is produced and reviewed by over 200 medical professionals with the goal of providing trusted, uniquely informative information for people with painful health conditions. This is why we get shorter as we grow older. Back muscles stabilize the spine and support proper alignment of the vertebrae. When injury or disease affects any of these parts, we may feel discomfort or pain. Stacked up like a tower of lego, the spinal column is made of 33 bones called vertebrae and is divided into five sections or regions. It May Not Be Your Bed’s Fault, 4 Tips To Avoid Injuries And Back Pain While Gardening. IL, © The website of the Spinal Injury Network has a diagram of the human spine, with the different sections labeled. Vertebrae are also sometimes called vertebral bodies. For example, the C1-C2 disc in the neck lies between the first and second vertebrae in the cervical spine, and the T1-T2 disc lies between the first and second vertebrae in the thoracic spine. Its main function is to provide attachment for ligaments and muscles of the pelvic floor. version.2020.07.019-2020.07.003, Thoracic Spine Anatomy and Upper Back Pain, Radiculopathy, Radiculitis and Radicular Pain, Spinal Abnormalities Rarely Cause Back Problems, Sciatica Exercises for Sciatica Pain Relief, Sciatic Nerve Muscle Innervation and Function, Lower Back Pain Symptoms, Diagnosis, and Treatment. There are five sections in the vertebral column – cervical, thoracic, lumbar, sacrum, and coccyx (or tailbone). The vertebrae of the sacrum and coccyx are fused. Under the lumbar vertebrae is the sacrum – a triangular shaped bone that connects to the hips on either side. Get Veritas Health eNewsletters delivered to your inbox. The cord is protected within the spinal canal and runs from the brainstem to the lumbar area where the cord fibres separate. See Thoracic Spine Anatomy and Upper Back Pain. And diagram of vertebra. Their main function is to support the cervical and thoracic spine. Each joint is lubricated with synovial fluid for additional protection against wear and tear. However, the same is not true of how the spinal nerves are labeled, and back problems are often described by both the spinal segment and the nerve root that is affected. They act as cushions and shock absorbers so your vertebrae don’t rub or bump into each other when you move. Between the vertebrae are pads called the intervertebral discs. The lumbar region is situated between the thoracic, or chest, region of the spine, and the sacrum. The twelve thoracic vertebrae, T1 to T12, are connected to your ribs. The number of vertebrae in a region can vary but overall the number remains the same. Nerves branch out from the spinal cord through these joints to other body parts. If you run your fingers down your back, you'll feel the protruding bones that make up your spine, also known as your backbone. The neck has the greatest range of motion. The curves work like a coiled spring – absorbing shock to the spine and protecting the back from strain injuries. The normal anatomy of the spine is usually described by dividing up the spine into three major sections: the cervical, the thoracic, and the lumbar spine. New users enjoy 60% OFF. The fibres then continue down through the canal to the sacrum and coccyx where they branch off to legs. There are five sacral vertebrae, S1 to S5, which are fused together. Human Spine Anatomy Section Human spine anatomy section and spinal concept as medical health care body symbol with the skeletal bone structure and intervertebral discs closeup as a 3D illustration. Ligaments of the spine are strong fibrous bands that hold the vertebrae together. Spine anatomy is divided into 4 major sections, typically defined by the number of vertebrae (the round bones that make up the structure of one’s back bone) in each section. There are seven cervical vertebrae which start with C1 and end with C7. spine, icon, human, illustration, osteoporosis, body, pain, rehabilitation, spinal, logo, anatomical, anatomy, backache, backbone, biology, Intervertebral disks sit in between the vertebrae. Send us an email and we'll get back to you asap. Only the top 24 bones are moveable. Intervertebral Disks. Each vertebra has four facet joints, one pair that connects to the vertebra above and one below. The part in blue is the spinal canal. Starting from the top there are 7 cervical vertebrae, 12 thoracic vertebrae, and 5 lumbar vertebrae. There are many things that can go wrong with the spine, but, in essence, up to 98% of all back pain is either caused by or directly linked to, compression. The L4 vertebra and L5 vertebra, along with the disc in between them, make up the L4-L5 segment. The spine consists of 33 bones or vertebrae, 24 of which are separate bones allowing movement and 9 which are fused together. Each section is made up of individual bones, called vertebrae. Vertebrae are also sometimes called vertebral bodies. If you’ve read this far down the page, you have acquired a top-level overview of the human spine. Within the gray matter, running the length of the cord and extending into the brai… C4 Vertebrae Pain & Symptoms. … The bony structures of the cervical vertebrae (C1 to C7) as well as lateral views of anatomical and anterolateral cervical spine. The n… Cervical vertebrae are the thinnest and... Thoracic: The 12 vertebrae in the chest region form the spine’s thoracic region. sections of vertebral column: cervical, thoracic, and lumber spine, sacrum and coccyx. 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