Ключевые слова: ache, adult, athlete, athletic, background, body, chiropractic, chronic, cramp, distress, exercise, fitness, health, hurt, inflammation, injured, injury, jogger, jogging, joint, knee, leg, ligament, male, man, massage, medicine, muscle, osteoarthritis, pain, pain relief, painful, people, person, physical, physiotherapy, rehabilitation, rheumatism, runner, running, sore, sport, sprain, strain, studio shot, tendon, training, workout, young,