Ключевые слова: 3039 years, activity, arms, athlete, belt, body, caucasian ethnicity, concentration, effort, endurance, equipment, exercise equipment, exercising, female, fitness, girl, gym, hands, health club, indoors, muscular, one person, person, power, pretty, push, pushups, rope, slim, sport, sports training, strap, strength, suspension training, training, trx, wellbeing, woman, workout,