Ключевые слова: 20s, 30s, analysis, arms, assisting, athlete, athletic, bar, barbell, body care, caucasian, chart, cheerful, coach, computing, couple, crossfit, data, equipment, exercise, exercise equipment, exercise room, female, fitness, fitness studio, graph, gym, happy, health, health club, healthy, heavy, helping, instructor, interface, leisure activity, lifestyles, lifting, male, man, mid adult, muscle, muscles, muscular, personal, physical, physique, portrait, relationship, serious, smiling, sport, sporty, standing, strength, tech, together, trainer, training, weight, weightlifting, weights, woman, working out, workout, young adult,