These are the largest vertebrae in your spine. Lumbar spine: From your ribs to your sacrum, the lower five vertebrae comprise the lumbar spine. Each forms a joint with your 12 pairs of ribs. Thoracic spine: The next 12 vertebrae run from your neck down your mid-back. They are the smaller, lighter vertebrae of your neck. This is how the regions of your spine are defined:Ĭervical spine: Beginning at your skull, the cervical vertebrae are the first seven. Location is the biggest difference between the cervical, thoracic, and lumbar spine. This column typically has 33 bones that protect your spinal cord. Your spine, or backbone, runs from your skull to your pelvis. The causes of back pain and other areas of the body stemming from spine injuries can be as complex as the spine itself. If you would like to learn more, call the experts at Alliance Spine and Pain Centers at 77 or click here to schedule an appointment.When you have back pain, understanding the differences between the cervical, thoracic, and lumbar spine will help you get the right treatment. The above information is a basic summary of all of the complex medical elements of the spine and the back. They are in charge of the feeling and movement in your body and spine. There are 31 pairs in total and cover the entire body. NervesĪlmost as numerous as the number of bones in your spine are the number of spinal nerves that branch off from them. There are three main types of ligaments: ligamentum flavum, anterior longitudinal ligament (ALL), and posterior longitudinal ligament (PLL). Ligaments are defined as strong, fibrous bands that hold the bones together in the spine. The second group, called flexors, is in front of the spine. They allow us to stand up and lift objects. The first is called extensors, which are attached to the back of the spine. There are two major groups of muscles in the spine. While there is more information available about all of the vertebrae that make up the spine, this is the basic knowledge you need to know to keep yourself educated. These allow the range of motion that our back if capable of doing. Unfortunately, while we age, these discs begin to break down naturally and can eventually cause issues, such as pinched nerves and decreased mobility.Īlongside the discs are facet joints, and each vertebra has four of them. In between all of these bones is something called the intervertebral disc, a cushion that keeps the bones from rubbing against each other and breaking down. These bones are broken down into five different regions: the cervical region at the neck, the thoracic region at the mid-back, the lumbar region at the low back, the sacrum which connects the spine to the hip bones, and the coccyx region which is where the tailbone is located. The spine is made up of 33 different bones, called vertebras. The second curve is at the middle back and called a thoracic curve, while the third curve is the lumbar curve that occurs at the lower back. The first curve happens at the neck, and it is called a cervical curve. That spine actually consists of three main types of curves.
Regions of the spine full#
It helps our spine absorb shock, keep balance, and have a full range of motion. CurvesĪ healthy spine will normally have a natural S-shaped curve. That’s why we’re breaking down the basics of spine anatomy below, just enough to keep you in the know of how things work back there. However, it is useful to know the basics in case you ever find yourself with spine issues and problems later down the road, even if you aren’t a physician. There are many bones, ligaments, and muscles to know if you are a specialist working in this field. The spine and the central nervous system, where the spine lives, is a complex piece of our human anatomy.
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