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【Multi-function fitness chair】: This is an adjustable sit-up fitness chair, which can effectively exercise the waist and abdomen muscles and enhance muscle strength; our fitness chair is suitable for a variety of sports exercise methods, such as: sit-ups, leaning forward , Push-ups, leg-ups on your back, side-to-side twists, pull training, dumbbell training, etc., you can have a healthy body, full of confidence