ANATOMY
THE VERTEBRAL COLUMN
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Detailed explanation-1: -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.
Detailed explanation-2: -The vertebrae are numbered and divided into regions: cervical, thoracic, lumbar, sacrum, and coccyx (Fig.
Detailed explanation-3: -The spine itself has three main segments: the cervical spine, the thoracic spine, and the lumbar spine. The cervical is the upper part of the spine, made up of seven vertebrae (bones). The thoracic is the center portion of the spine, consisting of 12 vertebrae.
Detailed explanation-4: -The 33 vertebrae make up five distinct spine segments. Starting at the neck and going down toward your buttocks (rear end), these segments include: Cervical (neck): The top part of the spine has seven vertebrae (C1 to C7). These neck vertebrae allow you to turn, tilt and nod your head.
Detailed explanation-5: -The C5 spinal vertebra is the fifth vertebra from the top of the column. The C5 vertebra is significant for determining the severity of neck and spinal injury.