Chiropractors in Saint Petersburg are practitioners of chiropractic, a form of alternative medicine; a therapeutic system based primarily upon the interactions of the spine and nervous system. Chiropractors adjust the segments of the spinal column as a method of treatment; they diagnose, treat and prevent mechanical disorders of the musculoskeletal system. Treatment also commonly includes exercise, physical therapy, massage, ice packs, moist heat, acupuncture, nutritional supplements, homeopathy, herbal remedies, biofeedback and lifestyle counseling. Chiropractors treat low back pain, neck pain, some forms of headache and some extremity joint conditions. Chiropractic is used as a complementary form of care to primary medical intervention in Saint Petersburg.