Simpson Loft - Spinal Surgery Simpson Loft - Spinal surgery is a surgery on the spine that usually aims to treat spinal or back pain. The type of spinal surgery performed depends on the type of illness suffered by the patient. Simpson Loft - The spine consists of 33 vertebrae, with the 24 top vertebrae separated one by one, which make up the spinal sequence from top to bottom. Between each vertebra, there are cartilage pads called spinal discs. In the middle each vertebra has a hole, so that between one hole with another form a channel filled with spinal nerves along the spine. Simpson Loft - Spinal surgery is a medical procedure that is usually performed after other treatments have not succeeded in relieving spinal pain. In addition to relieving pain, spinal surgery can also overcome complaints that occur in one or both arms or legs, which are caused by spinal cord disorders. Treatment methods that can be recommended for patients with spinal disease before surgery include: