Spinal fusion (such as a TLIF) is a surgical technique to stabilize the spinal vertebra and the disc or shock absorber between the vertebra. Lumbar fusion surgery is designed to create solid bone between the adjoining vertebra, eliminating any movement between the bones.
Feature Essay. Abraham Lincoln before the Presidency. James Davis. Illinois College, Jacksonville. From April of 1861 to April of 1865, President Abraham Lincoln led the United States through its terrible Civil War. During the war, Lincoln's leadership helped preserve the Union and emancipate over three million slaves. His ideas defined important goals of the war and inspired the war-weary public.
From Wikipedia, the free encyclopedia. This is a list of the occupations of Presidents before they entered politics. Often, previous career experience is minimal; however, the most common previous occupation is lawyer, and many presidents did spend their younger years in college and/or the military.