The average weight of an adult head is between 10 and 13 pounds, and your cervical spine supports this weight while also allowing the head to move freely. Your cervical spine gives your neck the ...

This article discusses the anatomy of the spine in more detail ... It is also flexible, allowing a person to turn their head and neck in many directions. The thoracic spine is the longest segment ...

The cervical spine consists of seven vertebrae, which are the smallest and uppermost in location within the spinal column. Together, the vertebrae support the skull, move the spine, and protect ...

This article covers the key anatomy of the spinal cord and ... start at the base of the skull and extend down to the sacrum, a bone that fits into the pelvis. The cervical, thoracic, and lumbar ...

The cervical spine supports the head and is highly mobile, which allows multidirectional movement of the head. 2 Approximately 50% of the cervical spine rotation, flexion, and extension is due to ...

Medically reviewed by Scott Zashin, MD Neck arthritis (also known as neck osteoarthritis or cervical spondylosis) is the ...