The vertebral column is made up of 26 vertebrae, which are classified as follows: Cervical: 7. Thoracic: 12.
What 26 bones make up the backbone?
The spine, also known as the vertebral column or spinal column, is a column of 26 bones in an adult body — 24 separate vertebrae interspaced with cartilage, and then additionally the sacrum and coccyx.
How many bones are in the spine?
The average person is born with 33 individual bones (the vertebrae) that interact and connect with each other through flexible joints called facets. By the time a person becomes an adult most have only 24 vertebrae because some vertebrae at the bottom end of the spine fuse together during normal growth and development.
Why does the human spine contain 26 bones?
Why 26? Because this is the number of bones in the average adult’s spinal column – 24 presacral vertebrae, the sacrum and the coccyx.
What part of the spine controls the heart?
Thoracic (mid back) – the main function of the thoracic spine is to hold the rib cage and protect the heart and lungs. The twelve thoracic vertebrae are numbered T1 to T12.
What are the bones called in your spine?
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.
Is lumbar part of spine?
The lumbar region of the spine, more commonly known as the lower back, consists of five vertebrae labeled L1 through L5. The lumbar region is situated between the thoracic, or chest, region of the spine, and the sacrum.
Can spinal problems cause heart problems?
Patients with SCI have a higher risk of cardiovascular complications and long-term effects as well as thromboembolism and autonomic dysreflexia. The recommended evaluation of cardiovascular dysfunction includes physiological, biochemical and pharmacological tests.
How many spinal cords are in the human body?
The cord is segmentally organized. There are 31 segments, defined by 31 pairs of nerves exiting the cord. These nerves are divided into 8 cervical, 12 thoracic, 5 lumbar, 5 sacral, and 1 coccygeal nerve (Figure 3.2).