The length of the bridge's main span is 3,800 feet (1,158 m), which makes it the third-longest suspension span in the United States and 17th longest suspension span worldwide. It is also one of the world's longest bridges overall.
From Wikipedia, the free encyclopedia. In tetrapod anatomy, lumbar is an adjective that means of or pertaining to the abdominal segment of the torso, between the diaphragm and the sacrum. The lumbar region is sometimes referred to as the lower spine, or as an area of the back in its proximity.
Lumbar (Definition). The lumbar part of the spine is the low back. It is made up of five bones (most of the time) stacked one on top of the other. They are connected by disks, facet joints, and ligaments. These soft parts allow for movement controlled by the spinal muscles; the muscles can also keep it stiff when need be.