Ключевые слова: ache, acute, adult, anatomy, arthritis, body, care, chronic, discomfort, fitness, health, health issue, healthcare, highlight, human, inflammation, injury, joint, joint pain, knee, leg, ligament, medical, medical condition, medicine, mobility, muscular, orthopedic, osteoarthritis, pain, person, physical, problem, recovery, red, rehabilitation, sport, strain, stress, suffering, symptom, tendon, therapy, treatment,