Understanding your spine and how it functions can help you understand some of the issues that occur from injury or aging. Spine is the basic support structure of the central body and It helps to keep an individual upright. It connects different parts of the skeleton to each other including the chest, pelvis, shoulders, head, legs, and arms. The spine is very flexible due to spinal disks and elastic ligaments. The length of an individual spine will vary based on their heights. The average length is 710 m in males and 610 m in women. Spine performs various functions such as it carries the weight of your head, torso, and arms, and let body part move in every direction. It protects your spinal cord. From injury. Flexible ligaments and tendons, strong muscles and bones, and sensitive nerves contribute to a healthy spine.