Your question: What are the 5 sections of your spine in order?

The spine is composed of 33 bones, called vertebrae, divided into five sections: the cervical, thoracic, and lumbar spine sections, and the sacrum and coccyx bones. The cervical section of the spine is made up of the top seven vertebrae in the spine, C1 to C7, and is connected to the base of the skull.

What are the 5 regions of the spine?

The vertebrae are numbered and divided into regions: cervical, thoracic, lumbar, sacrum, and coccyx (Fig. 2). Only the top 24 bones are moveable; the vertebrae of the sacrum and coccyx are fused. The vertebrae in each region have unique features that help them perform their main functions.

What are the 5 sections of the spine what is included in each section?

Vertebrae

  • Cervical Spine (Neck) There are seven cervical vertebrae which start with C1 and end with C7. …
  • Thoracic Spine (Mid Back) The twelve thoracic vertebrae, T1 to T12, are connected to your ribs. …
  • Lumbar Spine (Low Back) The five lumbar vertebrae, L1 to L5, are the most massive ones. …
  • Sacrum. …
  • Coccyx.

What is the order of spinal cord sections from bottom to top?

Vertebrae – The 33 bones that make up the spine, individually referred to as a vertebra. They are divided into the cervical spine (neck), the thoracic spine (upper back or rib cage), the lumbar spine (lower back) and the sacral spine (pelvis or base of the spine).

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What absorbs shock in the spine?

The intervertebral discs are soft structures which act as shock absorbers between each of the vertebrae (bones) in the spine. A single disc sits between each vertebra.

What is the lower part of your spine called?

The bottom of the spine is called the sacrum. It is made up of several vertebral bodies usually fused together as one. The remaining small bones or ossicles below the sacrum are also fused together and called the tailbone or coccyx.

What part of your spine controls your legs?

The nerves of the cervical spine go to the upper chest and arms. The nerves in your thoracic spine go to your chest and abdomen. The nerves of the lumbar spine then reach to your legs, bowel, and bladder. These nerves coordinate and control all the body’s organs and parts, and let you control your muscles.

What bone is responsible for turning the head?

The atlas and the occipital bone form the atlanto-occipital joint, which allows neck flexion. When you nod your head as if to say “yes,” that is neck flexion. The atlas and axis form the atlanto-axial joint, which allows head rotation. If you shake your head as if to say “no,” that is head rotation.

What is spinal cord Class 5?

Spinal cord: The major column of nerve tissue that is connected to the brain and lies within the vertebral canal and from which the spinal nerves emerge. Thirty-one pairs of spinal nerves originate in the spinal cord: 8 cervical, 12 thoracic, 5 lumbar, 5 sacral, and 1 coccygeal.

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