Ключевые слова: ache, adult, adults only, athlete, back, backache, body, caucasian ethnicity, cramp, disease, exercising, females, girl, hand, head, health, healthcare, healthy, healthy lifestyle, hold, horizontal, human back, hurt, ill, illness, isolated, massage, medical, medicine, muscle, muscular, neck, pain, painful, people, physical, physical injury, problem, shoulder, sick, suffer, suffering, the human body, therapy, tired, touching, white, woman, young,