Ключевые слова: 3d, ache, aching, agony, anatomy, arthritis, back, backache, backbone, chronic, cramp, discomfort, disorder, distress, highlighted, hurt, ill, illness, illustration, infection, inflammation, injured, injury, intervertebral discs, joint, knee, osteoporosis, pain, painful, physical, rheumatism, sick, sickness, skeletal, sore, spinal, spinal column, spine, sprain, strain, suffering, therapy, vertebra, vertebrae,