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 Prior to adolescence, the spine consists of 33 bones because the sacrums five bones and the coccyxs four do not fuse together until adolescence.It is formed from individual bones called vertebrae. A back muscle strain or ligament strain is one of the most common causes of acute lower back pain.The Spine provides the infrastructure that enables increased patient safety, improved quality of healthcare, greater clinical effectiveness and better administrative efficiency.The cervical spine is made up of seven cervical vertebrae. The main function of the cervical spine is to support the weight of the head which is approximately 10-12 pounds.The main function of the thoracic spine is to protect the organs of the chest, especially the heart and lungs.The lumbar spine has five lumbar vertebrae, which are the largest vertebrae. Spinal anatomy is a remarkable combination of strong bones, flexible ligaments and tendons, large muscles and highly sensitive nerves. Acute neck pain is most often caused by a muscle, ligament or tendon strain (such as from a sudden force orstraining the neck), and will usually heal with time and non-surgical treatments to alleviate the neck pain (such as ice and/or heat, medications, chiropractic or osteopathic manipulation, etc). It is designed to be incredibly strong, protecting the highly sensitive nerve roots, yet highly flexible, providing for mobility on many different planes.