Ключевые слова: ache, adult, arthritis, athlete, athletic, beach, exercise, fit, fitness, health, holding, injured, injury, jogger, jogging, joint, leg, ligament, male, medical, men, muscle, muscular, outdoor, outside, pain, painful, people, person, physical, problem, run, runner, rupture, shorts, sore, sport, sprain, strain, strong, summer, tendon, training, triathlete, triathlon, workout, young,