Ключевые слова: 1, ache, adult, arm, arthritis, athlete, background, bone, care, caucasian, chronic, exercise, fitness, gesture, gym, hand, health, hold, hurt, inflamed, inflammation, injured, injury, joint, male, man, medical, muscle, pain, painful, patient, people, person, pressure, red, rheumatism, shoulder, sore, sport, spot, stiff, suffer, symptom, uncomfortable, white, young, zone,