Backache Prevention 4 Back Pain 3 Spine 3 Diseases 2 Pathophysiology 2 Treatment 2 Acupuncture 1 Acupuntura 1 Alternative treatment 1 Anatomy 1 Arthralgia 1 BackCare (Organization) 1 Complementary Therapies 1 Costs and Cost Analysis 1 Delivery of Health Care 1 Dolor lumbar 1 Economics 1 Health & Biological Sciences 1 Health Care 1 Health Care Costs 1 Health Care Economics and Organizations 1 Health Care Quality, Access, and Evaluation 1 Nervous System Diseases 1 Neurologic Manifestations 1 Pain 1 Pathological Conditions, Signs and Symptoms 1 Signs and Symptoms 1 Spinal Diseases 1 Statistics as Topic 1