In any body locale where strength of interconnection is a requirement, dense connective tissues are found. Forces transmitted across tissues determine how the protein fibers are placed within each tissue type. For example, tendons and ligaments are cords of the body that must resist linear forces along their lengths.
The cervical spine in your neck is made up of seven bones called vertebrae, which are separated by discs filled with a cushioning gel-like substance. Your cervical discs both stabilize your neck and allow it to turn smoothly from side to side and bend forward to back.
The spine of the lower back is known as the lumbar spine. It contains 5 vertebral bones, the sacrum, and the coccyx that protect the vertebral column. Problems with the muscles and discs between the lumbar vertebrae can cause troublesome pain.he lumbo-sacral spine includes: 1  Lumbar vertebrae: Numbered L1 through L5, these odd-shaped vertebrae signal the end of the typical bones of the spinal column. 2  Sacrum: This triangle-shaped bone is made up of five fused vertebrae. 3  It fits like a wedge into the back of the pelvis at the hips.