Ключевые слова: anatomy, atlas, back, backbone, biology, biomechanics, body, bone, bones, care, cervical, chiropractic, coccyx, column, curvature, dark, diagnostic, discomfort, disease, disk, health, healthcare, human, intervertebral, joint, lumbar, medical, medicine, nerve, osteoporosis, pain, problem, radiology, rib, sacrum,