What is the bone in your lower back called?

What is the bone in your lower back 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 does it mean when your lower back bone hurts?

Most low back pain is the result of an injury, such as muscle sprains or strains due to sudden movements or poor body mechanics while lifting heavy objects. Low back pain can also be the result of certain diseases, such as: cancer of the spinal cord. a ruptured or herniated disc.

Do you have bones in your lower back?

Your lower back contains 5 vertebral bones stacked above each other with intervertebral discs in between. These bones are connected at the back with specialized joints. The lumbar spine connects to the thoracic spine above and the hips below.

What are the two bones on your back called?

Vertebrae. Vertebrae are the 33 individual bones that interlock with each other to form the spinal column. The vertebrae are numbered and divided into regions: cervical, thoracic, lumbar, sacrum, and coccyx (Fig. 2).

How many bones are in the lower back?

Starting at the top are seven cervical bones (C1-C7), twelve thoracic or upper back vertebrae (T1-T12), five lumbar or lower back vertebrae (L1-L5), five fused bones of the sacrum, and four fused bones of the coccyx, or tailbone. There are some common conditions that result from problems with the bones of the spine:

What is the anatomy of the lower back?

Anatomy 1 Spine. The spine is composed of 33 bones called vertebrae, which stack together to form the spinal canal. This protects the spinal cord inside. 2 Spinal cord. The spinal cord runs from the neck down to the lower back. 3 Muscles in the back. There are three different groups of muscles in the back. …

What are the bones of the pelvis and lower back?

Bones of the Pelvis and Lower Back. The bones of the pelvis and lower back work together to support the body’s weight, anchor the abdominal and hip muscles, and protect the delicate vital organs of the vertebral and abdominopelvic cavities. The vertebral column of the lower back includes the five lumbar vertebrae, the sacrum, and the coccyx.

What are the bones at the back of the spine called?

Vertebra At the back of each bone in the spine (vertebra) are bony points called processes, which muscles attach to. Can you feel the bumps of your vertebrae along your back?

What is the name for the bones of the lower back?

The vertebral column of the lower back includes the five lumbar vertebrae, the sacrum, and the coccyx. These bones work together to provide flexibility to the trunk, support the muscles of the trunk, and protect the spinal cord and spinal nerves of the back.

What is the vertebrae found in the lower back?

The lumbar vertebrae consist of five individual cylindrical bones that form the spine in the lower back. These vertebrae carry all of the upper body’s weight while providing flexibility and movement to the trunk region. They also protect the delicate spinal cord and nerves within their vertebral canal.

What are the names of the bones in your back?

Your vertebrae are divided into sections: your cervical spine (your neck bones), your thoracic spine (the upper part of your back), your lumbar spine (lower back), your sacrum (which joins with your pelvis), and your coccyx (tailbone).

What are the bones in your back bone called?

Vertebrae are the 33 individual bones that interlock with each other to form the spinal column. 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.