medical x-ray lumbar spine compression fracture bulging of l1-2

back beriberi bone chiropractic chronic decadent decompression decrepit degenerate degenerative depression diagnosis disc disease disk diskectomy disorders fixing fusion graft herniation human inflammation instability joint laminectomy limited loss low lumbar medical motion nerve numbness operation orthopedic pain patients postoperative problems root scan sergeant sleep spinal spine spondylolisthesis surgery symptoms treatment vertebral weakness weight xray