Ключевые слова: ache, anatomical, anatomy, arthritis, background, biology, blue, body, bone, both, carcass, cartilage, disease, elderly, foot, graphic, health, human, hurt, illustration, joint, knee, knee joint antero posterior, l, leg, medical, medicine, meniscus, osteoporosis, pain, painful, physical, ray, render, rheumatism, science, sides, skeletal, skeleton, x, x ray,