Back: The back includes the spine (vertebrae, discs), muscles, and nerves. It supports the body and allows flexibility. Injuries & Illnesses: Herniated discs, sciatica, back strains, spinal stenosis, scoliosis. Specialists: Orthopedic surgeons, physiatrists, chiropractors, physical therapists. Procedures & Therapies: Physical therapy, spinal adjustments (chiropractic), spinal fusion surgery, epidural injections.