Ключевые слова: action, athlete, balance, ball, black and white, blue, body care, body conscious, concentration, endurance, exercise ball, exercise class, exercise equipment, exercise machine, exercising, expressing agility, flexibility, gym, health club, healthcare and medicine, healthy lifestyle, human foot, pilates, pilates ball, pilates machine, recreational pursuit, relaxation exercise, rope, satisfaction, sport, sports clothing, sports training, stability, stretching, teaching, the human body, tranquil scene, wellbeing, yoga ball,