Ключевые слова: agility, athlete, balance, black, bodybuilding, cardio, challenge, competition, conditioning, core, determination, endurance, energy, equipment, exercise, fitness, flexibility, focus, functional, goal, gym, health, healthful, improvement, kettlebell, lifestyle, motivation, movement, muscle, performance, personal, physical, power, practice, regime, resistance, routine, session, skill, sport, strength, surface, sweat, technique, tough, training, weightlifting, weights, workout,