Ключевые слова: active, activity, adult, arms, athlete, body, bodybuilding, caucasian, challenge, club, coach, determined, diet, equipment, exercise, eyeglasses, fat, fit, fitness, gym, happy, headphones, health, health care, healthy, indoor, instructor, jump rope, jumping, lifestyle, loss, male, man, mature, middle aged, motivation, muscle, music, obese, overweight, people, person, protein, sport, strength, strong, training, weight,