Ключевые слова: acl, anatomy, anterior, biology, body, bone, cartilage, chiropractic, collateral, common, cruciate, diagram, disease, femur, fibula, health, healthcare, human, illustration, injured, injuries, injury, joint, knee, kneecap, lateral, leg, ligament, ligaments, medial, medical, medicine, meniscus, normal, orthopedic, pain, painful, patella, patellar, pcl, posterior, problem, quadriceps, sport, sports, sprain, surgery, tendon, tibia, torn,