Spinal Cord Extent: Understanding the End Point & Cauda Equina

The spinal cord does not end at the second sacral vertebrae. It typically ends between the first and second lumbar vertebrae, with the cauda equina continuing beyond this point. The cauda equina is a collection of nerve roots that emerge from the spinal cord and descend through the spinal canal. These nerve roots innervate the lower limbs and pelvic region.