Spine & Disc is the center of excellence in spine care in Phoenix, AZ, for neck pain and back pain treatment, as well as spinal decompression and physical therapy. VAX-D Spinal Decompression Therapy is effective for chronic lower back pain, herniated discs, degenerative disc disease, bulging discs, and sciatic leg pain also known as sciatica. Dr. Blankenbaker (Chiropractic Physician since 1974) was the first in Arizona (1994) to install the VAXD (vertebral axial decompression device) developed by Allan E. Dyer, Ph.D., M.D.